Two dimensional graphs. Elementary X-Y graphs. plot - Linear plot. loglog - Log-log scale plot. semilogx - Semi-log scale plot. semilogy - Semi-log scale plot. polar - Polar coordinate plot. plotyy - Graphs with y tick labels on the left and right. Axis control. axis - Control axis scaling and appearance. zoom - Zoom in and out on a 2-D plot. grid - Grid lines. box - Axis box. rbbox - Rubberband box. hold - Hold current graph. axes - Create axes in arbitrary positions. subplot - Create axes in tiled positions. Graph annotation. plotedit - Tools for editing and annotating plots. title - Graph title. xlabel - X-axis label. ylabel - Y-axis label. texlabel - Produces the TeX format from a character string. text - Text annotation. gtext - Place text with mouse. Hardcopy and printing. print - Print graph or Simulink system; or save graph to MATLAB file. printopt - Printer defaults. orient - Set paper orientation. See also graph3d, specgraph.

Three dimensional graphs. Elementary 3-D plots. plot3 - Plot lines and points in 3-D space. mesh - 3-D mesh surface. surf - 3-D colored surface. fill3 - Filled 3-D polygons. Color control. colormap - Color look-up table. caxis - Pseudocolor axis scaling. shading - Color shading mode. hidden - Mesh hidden line removal mode. brighten - Brighten or darken colormap. colordef - Set color defaults. graymon - Set graphics defaults for gray-scale monitors. cmpermute - Rearrange colors in colormap. cmunique - Eliminate unneeded colors in colormap of indexed image. imapprox - Approximate indexed image by one with fewer colors. Lighting. surfl - 3-D shaded surface with lighting. lighting - Lighting mode. material - Material reflectance mode. specular - Specular reflectance. diffuse - Diffuse reflectance. surfnorm - Surface normals. Transparency. alpha - Transparency (alpha) mode. alphamap - Transparency (alpha) look-up table. alim - Transparency (alpha) scaling Axis control. axis - Control axis scaling and appearance. zoom - Zoom in and out on a 2-D plot. grid - Grid lines. box - Axis box. hold - Hold current graph. axes - Create axes in arbitrary positions. subplot - Create axes in tiled positions. daspect - Data aspect ratio. pbaspect - Plot box aspect ratio. xlim - X limits. ylim - Y limits. zlim - Z limits. Viewpoint control. view - 3-D graph viewpoint specification. viewmtx - View transformation matrix. rotate3d - Interactively rotate view of 3-D plot. Camera control. campos - Camera position. camtarget - Camera target. camva - Camera view angle. camup - Camera up vector. camproj - Camera projection. High level camera control. camorbit - Orbit camera. campan - Pan camera. camdolly - Dolly camera. camzoom - Zoom camera. camroll - Roll camera. camlookat - Move camera and target to view specified objects. cameratoolbar - Interactively manipulate camera. High level light control. camlight - Creates or sets position of a light. lightangle - Spherical position of a light. Graph annotation. title - Graph title. xlabel - X-axis label. ylabel - Y-axis label. zlabel - Z-axis label. text - Text annotation. gtext - Mouse placement of text. plotedit - Experimental graph editing and annotation tools. Hardcopy and printing. print - Print graph or Simulink system; or save graph to MATLAB file. printopt - Printer defaults. orient - Set paper orientation. See also graph2d, specgraph.

General purpose commands. MATLAB Version 25.2 (R2025b) 28-Jul-2025 General information. syntax - Help on MATLAB command syntax. demo - Run demonstrations. ver - MATLAB, Simulink and toolbox version information. version - MATLAB version information. verLessThan - Compare version of toolbox to specified version string. logo - Plot the L-shaped membrane logo with MATLAB lighting. membrane - Generates the MATLAB logo. bench - MATLAB Benchmark. Managing the workspace. who - List current variables. whos - List current variables, long form. clear - Clear variables and functions from memory. onCleanup - Specify cleanup work to be done on function completion. Pack - Consolidate workspace memory. load - Load workspace variables from disk. save - Save workspace variables to disk. saveas - Save Figure or model to desired output format. quit - Quit MATLAB session. exit - Exit from MATLAB. Managing commands and functions. what - List MATLAB-specific files in directory. type - Display MATLAB program file. open - Open files by extension. which - Locate functions and files. pcode - Create pre-parsed pseudo-code file (P-file). mex - Compile MEX-function. inmem - List functions in memory. namelengthmax - Maximum length of MATLAB function or variable name. Managing the search path. path - Get/set search path. addpath - Add directory to search path. rmpath - Remove directory from search path. rehash - Refresh function and file system caches. import - Import packages into the current scope. finfo - Identify file type against standard file handlers on path. genpath - Generate recursive toolbox path. savepath - Save the current MATLAB path in the pathdef.m file. Managing the java search path. javaaddpath - Add directories to the dynamic java path. javaclasspath - Get and set java path. javarmpath - Remove directory from dynamic java path. Controlling the command window. echo - Display statements during function execution. more - Control paged output in command window. diary - Save text of MATLAB session. format - Set output format. beep - Produce beep sound. desktop - Start and query the MATLAB Desktop. preferences - Bring up MATLAB user settable preferences dialog. Operating system commands. cd - Change current working directory. pwd - Show (print) current working directory. perl - Execute Perl command and return the result. Debugging. debug - List debugging commands. Loading and calling shared libraries. calllib - Call a function in an external library. libpointer - Creates a pointer object for use with external libraries. libstruct - Creates a structure pointer for use with external libraries. libisloaded - True if the specified shared library is loaded. loadlibrary - Load a shared library into MATLAB. libfunctions - Return information on functions in an external library. libfunctionsview - View the functions in an external library. unloadlibrary - Unload a shared library loaded with LOADLIBRARY. java - Using Java from within MATLAB. usejava - True if the specified Java feature is supported in MATLAB. See also lang, DataTypes, iofun, graphics, ops, strfun, timefun, matfun, demos, graphics, datafun, uitools, doc, punct. Control System Toolbox -- General Utilities. (R2025b) 28-Jul-2025 abcdchk - Check consistency of A,B,C,D matrices. db2mag - Convert magnitude from absolute value to dB. mag2db - Convert magnitude from dB to absolute value. padecoef - Pade approximation of time delays. residue - Partial-fraction expansion (residues). resi2 - Residue of a repeated pole. ss2tf - Convert state-space system to transfer function. ss2zp - Convert state-space system to zero-pole. tf2ss - Convert transfer function to state-space. tf2zp - Convert transfer function to zero-pole. tfchk - Check for proper transfer function. zp2ss - Convert zero-pole system to state-space. zp2tf - Convert zero-pole system to transfer function. Folders named general

Operators and special characters. Arithmetic operators. plus - Plus + uplus - Unary plus + minus - Minus - uminus - Unary minus - mtimes - Matrix multiply * times - Array multiply .* power - Array power .^ mldivide - Backslash or left matrix divide \ mrdivide - Slash or right matrix divide / ldivide - Left array divide .\ rdivide - Right array divide ./ idivide - Integer division with rounding option. kron - Kronecker tensor product pagemtimes - Page-wise matrix multiply pagetranspose - Page-wise transpose pagectranspose - Page-wise complex conjugate transpose pagemldivide - Page-wise left matrix divide pagemrdivide - Page-wise right matrix divide tensorprod - Tensor products between two tensors Relational operators. eq - Equal == ne - Not equal ~= lt - Less than < gt - Greater than > le - Less than or equal <= ge - Greater than or equal >= isapprox - Equal within a tolerance Logical operators. and - Element-wise logical AND & or - Element-wise logical OR | not - Logical NOT ~ punct - Ignore function argument or output ~ xor - Logical EXCLUSIVE OR any - True if any element of vector is nonzero all - True if all elements of vector are nonzero Special characters. colon - Colon : paren - Parentheses and subscripting ( ) paren - Brackets [ ] paren - Braces and subscripting { } punct - Function handle creation @ punct - Decimal point . punct - Structure field access . punct - Parent directory .. punct - Continuation ... punct - Separator , punct - Semicolon ; punct - Comment % punct - Invoke operating system command ! punct - Assignment = punct - Quote ' punct - Double quote " transpose - Transpose .' ctranspose - Complex conjugate transpose ' horzcat - Horizontal concatenation [,] vertcat - Vertical concatenation [;] subsasgn - Subscripted assignment ( ),{ },. subsref - Subscripted reference ( ),{ },. numArgumentsFromSubscript - Number of arguments for indexing methods subsindex - Subscript index metaclass - Metaclass for MATLAB class ? Bitwise operators. bitand - Bit-wise AND. bitcmp - Complement bits. bitor - Bit-wise OR. bitxor - Bit-wise XOR. bitset - Set bit. bitget - Get bit. bitshift - Bit-wise shift. Set operators. union - Set union. unique - Set unique. intersect - Set intersection. setdiff - Set difference. setxor - Set exclusive-or. allunique - True for sets with all unique members. ismember - True for set member. numunique - Number of unique set members. See also function_handle.

Programming language constructs. Control flow. if - Conditionally execute statements. else - Execute statement if previous IF condition failed. elseif - Execute if previous IF failed and condition is true. end - Terminate scope of control statements. for - Repeat statements a specific number of times. parfor - Parallel FOR-loop. while - Repeat statements an indefinite number of times. break - Terminate execution of WHILE or FOR loop. continue - Pass control to the next iteration of a loop. switch - Switch among several cases based on expression. case - SWITCH statement case. otherwise - Default SWITCH statement case. try - Begin TRY block. catch - Begin CATCH block. return - Return to invoking function. error - Display message and abort function. MException - Constructs MATLAB exception object. assert - Generate an error when a condition is violated. rethrow - Reissue error. Evaluation and execution. eval - Execute string with MATLAB expression. evalc - Evaluate MATLAB expression with capture. feval - Execute the specified function. evalin - Evaluate expression in workspace. builtin - Execute built-in function from overloaded method. assignin - Assign variable in workspace. run - Run script. Scripts, functions, classes, and variables. script - About MATLAB script files. function - Add new function. global - Define global variable. persistent - Define persistent variable. mfilename - Name of currently executing MATLAB code file. lists - Comma separated lists. exist - Check if variables or functions are defined. mlock - Prevents clearing function from memory. munlock - Allow clearing function from memory. mislocked - Determine if function is locked in memory. precedence - Operator Precedence in MATLAB. isvarname - True for valid variable name. iskeyword - Check if input is a keyword. javachk - Validate level of Java support. genvarname - Construct a valid MATLAB variable name from a string. classdef - Define a new class or subclass. Argument handling. nargchk - Validate number of input arguments. nargoutchk - Validate number of output arguments. nargin - Number of function input arguments. nargout - Number of function output arguments. varargin - Variable length input argument list. varargout - Variable length output argument list. inputname - Input argument name. inputParser - Construct input parser object. validateattributes - Check validity of array. validatestring - Check validity of text. ans - Most recent answer. arguments - Declare function argument validation. Message display. warning - Display warning message. lastwarn - Last warning message. disp - Display array. display - Display array. details - Display array. Interactive input. input - Prompt for user input. keyboard - Invoke keyboard from MATLAB code file. Abstract superclasses. handle - Superclass of all handle classes. dynamicprops - Support for dynamic properties. See also general, iofun, ops, DataTypes, matfun, funfun, elfun, polyfun. Parallel computing programming language constructs. Single program multiple data support spmd - Single Program Multiple Data Composite - Construct a Composite object Map Reduce Framework mapreduce - Solve out-of-memory problems with the MapReduce framework. See also parallel, parallel/parallel, parfor, parpool.

Character arrays and strings. Conversion functions. char - Convert to a character array. double - Convert to a double array. string - Convert to a string array. strings - Create string array with no characters. cellstr - Convert to a cell array of character vectors. blanks - Character vector of spaces. Text determination functions. iscellstr - True for cell array of character vectors. ischar - True for character array. isstring - True for string array. isstrprop - Check whether elements are of a specified category. String operations. compose - Converts data into formatted string arrays. contains - True if pattern is found. count - Number of occurrences of a pattern. deblank - Remove trailing whitespaces. endsWith - True if string ends with pattern. erase - Remove substring from string elements. eraseBetween - Remove bounded substrings. extractAfter - Extract substring after a specified position. extractBefore - Extract substring before a specified position. extractBetween - Extract bounded substrings. insertAfter - Insert substring after a specified position. insertBefore - Insert substring before a specified position. join - Append string elements. lower - Convert string to lowercase. pad - Insert leading and trailing spaces. regexp - Match regular expression. regexpi - Match regular expression, ignoring case. regexprep - Replace string using regular expression. replace - Find and replace substring. replaceBetween - Replace bounded substrings. reverse - Reverse the order of characters. split - Split strings at delimiter. splitlines - Split strings at newlines. startsWith - True if string starts with pattern. strsplit - Split strings at delimiter. strjoin - Append string elements. strcat - Append strings together. strcmp - Compare strings. strncmp - Compare first N characters. strcmpi - Compare strings ignoring case. strncmpi - Compare first N characters ignoring case. strfind - Find one string within another. strip - Remove leading and trailing whitespaces. strjust - Justify character array. strlength - Lengths of string elements. strrep - Find and replace substring. strtok - Split string into tokens. strtrim - Remove leading and trailing whitespaces. upper - Convert string to uppercase. Character set conversion. native2unicode - Convert bytes to Unicode characters. unicode2native - Convert Unicode characters to bytes. Conversion between text and numbers. double - Convert to a double array. int2str - Convert integer to character vector. mat2str - Convert a 2-D matrix to a character vector in MATLAB syntax. num2str - Convert numbers to a character vector. str2double - Convert string to double precision value. str2num - Convert character vector to numeric array. string - Convert to string array. sprintf - Write formatted data to string. sscanf - Read string under format control. Base number conversion. hex2num - Convert hexadecimal string to double precision number. hex2dec - Convert hexadecimal string to decimal integer. dec2hex - Convert decimal integer to hexadecimal string. bin2dec - Convert binary string to decimal integer. dec2bin - Convert decimal integer to a binary string. base2dec - Convert base B string to decimal integer. dec2base - Convert decimal integer to base B string. num2hex - Convert singles and doubles to IEEE hexadecimal strings. See also general, lang, iofun, ops, DataTypes.

Spreadsheet IO Functions (Not Recommended) xlsread - (Not recommended) Read spreadsheet file xlswrite - (Not recommended) Write spreadsheet file xlsfinfo - (Not recommended) Determine if file contains Microsoft Excel spreadsheet Contents of text/iofun (Not Recommended) csvread - (Not recommended) Read comma-separated value (CSV) file. csvwrite - (Not recommended) Write comma-separated value file. dlmread - (Not recommended) Read ASCII-delimited file of numeric data into matrix. dlmwrite - (Not recommended) Write matrix to ASCII-delimited file. textread - (Not Recommended) Read data from text file; write to multiple outputs. Contents of tabular/iofun: Import/Export Functions readtable - Create table from file. readtimetable - Create timetable from file. readmatrix - Read matrix from file. readcell - Create cell array from file. readvars - Read variables from file. writetable - Write table to file. writetimetable - Write timetable to file. writematrix - Write a matrix to a file. writecell - Write cell array to file. writelines - Write text to file. Import Options detectImportOptions - Create import options based on file content delimitedTextImportOptions - Import options object for delimited text files fixedWidthImportOptions - Import options object for fixed-width text files spreadsheetImportOptions - Import options object for Spreadsheet files xmlImportOptions - Import options object for XML files htmlImportOptions - Import options object for HTML files wordDocumentImportOptions - Import options object for Microsoft Word document files Contents of matlab/iofun: Import Functions daqread - Read Data Acquisition Toolbox (.daq) data file. importdata - Load data from file. matfile - Save and load parts of variables in MAT-files. matfinfo - Text description of MAT-file contents. Internet Services sendmail - Send e-mail. urlread - Download URL content to character vector. (not recommended) urlwrite - Download URL content and save to file. (not recommended) callSoapService - Send a SOAP message off to an endpoint. createClassFromWsdl - Create a MATLAB object based on a WSDL-file. createSoapMessage - Create a SOAP message, ready to send to the server. parseSoapResponse - Convert the response from a SOAP server into MATLAB types. Path and Configuration matlabroot - Root directory of MATLAB installation. deployprefdir - Get the MATLAB preferences directory for a deployed component. prefdir - Preference directory name. partialpath - Partial pathnames. pathsep - Path separator for this platform. Command Window home - Send the cursor home. clc - Clear command window.

Elementary math functions. Trigonometric. sin - Sine. sind - Sine of argument in degrees. sinh - Hyperbolic sine. asin - Inverse sine. asind - Inverse sine, result in degrees. asinh - Inverse hyperbolic sine. cos - Cosine. cosd - Cosine of argument in degrees. cosh - Hyperbolic cosine. acos - Inverse cosine. acosd - Inverse cosine, result in degrees. acosh - Inverse hyperbolic cosine. tan - Tangent. tand - Tangent of argument in degrees. tanh - Hyperbolic tangent. atan - Inverse tangent. atand - Inverse tangent, result in degrees. atan2 - Four quadrant inverse tangent. atan2d - Four quadrant inverse tangent, result in degrees. atanh - Inverse hyperbolic tangent. sec - Secant. secd - Secant of argument in degrees. sech - Hyperbolic secant. asec - Inverse secant. asecd - Inverse secant, result in degrees. asech - Inverse hyperbolic secant. csc - Cosecant. cscd - Cosecant of argument in degrees. csch - Hyperbolic cosecant. acsc - Inverse cosecant. acscd - Inverse cosecant, result in degrees. acsch - Inverse hyperbolic cosecant. cot - Cotangent. cotd - Cotangent of argument in degrees. coth - Hyperbolic cotangent. acot - Inverse cotangent. acotd - Inverse cotangent, result in degrees. acoth - Inverse hyperbolic cotangent. hypot - Square root of sum of squares. deg2rad - Convert angles from degrees to radians. rad2deg - Convert angles from radians to degrees. Exponential. exp - Exponential. expm1 - Compute exp(x)-1 accurately. log - Natural logarithm. log1p - Compute log(1+x) accurately. log10 - Common (base 10) logarithm. log2 - Base 2 logarithm and dissect floating point number. pow2 - Base 2 power and scale floating point number. realpow - Power that will error out on complex result. reallog - Natural logarithm of real number. realsqrt - Square root of number greater than or equal to zero. sqrt - Square root. nthroot - Real n-th root of real numbers. nextpow2 - Next higher power of 2. Complex. abs - Absolute value. angle - Phase angle. complex - Construct complex data from real and imaginary parts. conj - Complex conjugate. imag - Complex imaginary part. real - Complex real part. unwrap - Unwrap phase angle. isreal - True for real array. cplxpair - Sort numbers into complex conjugate pairs. Rounding and remainder. fix - Round towards zero. floor - Round towards minus infinity. ceil - Round towards plus infinity. round - Round towards nearest integer. mod - Modulus (signed remainder after division). rem - Remainder after division. sign - Signum.

Specialized math functions. Specialized math functions. airy - Airy functions. besselj - Bessel function of the first kind. bessely - Bessel function of the second kind. besselh - Bessel functions of the third kind (Hankel function). besseli - Modified Bessel function of the first kind. besselk - Modified Bessel function of the second kind. beta - Beta function. betainc - Incomplete beta function. betaincinv - Inverse incomplete beta function. betaln - Logarithm of beta function. ellipj - Jacobi elliptic functions. ellipke - Complete elliptic integral. erf - Error function. erfc - Complementary error function. erfcx - Scaled complementary error function. erfinv - Inverse error function. erfcinv - Inverse complementary error function. expint - Exponential integral function. gamma - Gamma function. gammainc - Incomplete gamma function. gammaincinv - Inverse incomplete gamma function. gammaln - Logarithm of gamma function. psi - Psi (polygamma) function. legendre - Associated Legendre function. cross - Vector cross product. dot - Vector dot product. Number theoretic functions. factor - Prime factors. isprime - True for prime numbers. primes - Generate list of prime numbers. gcd - Greatest common divisor. lcm - Least common multiple. rat - Rational approximation. rats - Rational output. perms - All possible permutations. nchoosek - All combinations of N elements taken K at a time. factorial - Factorial function. Coordinate transforms. cart2sph - Transform Cartesian to spherical coordinates. cart2pol - Transform Cartesian to polar coordinates. pol2cart - Transform polar to Cartesian coordinates. sph2cart - Transform spherical to Cartesian coordinates. hsv2rgb - Convert hue-saturation-value colors to red-green-blue. rgb2hsv - Convert red-green-blue colors to hue-saturation-value.

Interpolation and polynomials. Data interpolation. interp1 - 1-D interpolation (table lookup). interpft - 1-D interpolation using FFT method. interp2 - 2-D interpolation (table lookup). interp3 - 3-D interpolation (table lookup). interpn - N-D interpolation (table lookup). griddata - Data gridding and surface fitting. griddatan - Data gridding and hyper-surface fitting (dimension >= 2). scatteredInterpolant - Interpolant for scattered data griddedInterpolant - Interpolant for gridded data Cubic interpolation. makima - Modified Akima cubic Hermite interpolation. pchip - Piecewise cubic Hermite interpolating polynomial. spline - Cubic spline interpolation. ppval - Evaluate piecewise polynomial. Geometric analysis. boundary - Boundary of a set of points in 2D/3D space delaunay - Delaunay triangulation. delaunayn - N-D Delaunay triangulation. dsearchn - Search N-D Delaunay triangulation for nearest point. tsearchn - N-D closest triangle search. convhull - Convex hull. convhulln - N-D convex hull. voronoi - Voronoi diagram. voronoin - N-D Voronoi diagram. inpolygon - True for points inside polygonal region. rectint - Rectangle intersection area. polyarea - Area of polygon. Shape Representation alphaShape - Alpha Shape in 2D and 3D alphaSpectrum - Sorted vector of alpha values giving distinct shapes criticalAlpha - Alpha value defining a critical transition in the shape numRegions - Number of regions in the shape inShape - Test whether a point is within the alpha shape alphaTriangulation - Triangulation that fills the alpha shape boundaryFacets - Boundary facets of alpha shape perimeter - Perimeter of a 2D alpha shape area - Area of a 2D alpha shape surfaceArea - Surface area of a 3D alpha shape volume - Volume of a 3D alpha shape plot - Plot an alpha shape nearestNeighbor - Nearest point on the alpha shape boundary Triangulation Representation. triangulation - A Triangulation Representation triangulation/barycentricToCartesian - Converts the coordinates of a point from barycentric to cartesian triangulation/cartesianToBarycentric - Converts the coordinates of a point from cartesian to barycentric triangulation/circumcenter - Circumcenter of triangle or tetrahedron triangulation/edges - Triangulation edges triangulation/edgeAttachments - Triangles or tetrahedra attached to an edge triangulation/faceNormal - Triangulation face normal triangulation/featureEdges - Triangulation sharp edges triangulation/freeBoundary - Triangulation facets referenced by only one triangle or tetrahedron triangulation/incenter - Incenter or triangle or tetrahedron triangulation/isConnected - Test if a pair of vertices is connected by an edge triangulation/neighbors - Neighbors to a triangle or tetrahedron triangulation/size - Returns the size of the Triangulation matrix triangulation/vertexAttachments - Triangles or tetrahedra attached to a vertex triangulation/vertexNormal - Triangulation vertex normal triangulation/nearestNeighbor - Vertex closest to a specified point triangulation/pointLocation - Triangle or tetrahedron containing a specified point Delaunay Triangulation. delaunayTriangulation - Delaunay triangulation in 2-D and 3-D delaunayTriangulation/convexHull - Convex hull delaunayTriangulation/isInterior - Test if a triangle is in the interior of a 2-D constrained Delaunay triangulation delaunayTriangulation/voronoiDiagram - Voronoi diagram Polynomials. roots - Find polynomial roots. poly - Convert roots to polynomial. polyval - Evaluate polynomial. polyvalm - Evaluate polynomial with matrix argument. polyfit - Fit polynomial to data. polyder - Differentiate polynomial. polyint - Integrate polynomial analytically. conv - Multiply polynomials. deconv - Divide polynomials.

Function functions and ODE solvers. Numerical integration (quadrature). integral - Numerically evaluate integral. integral2 - Numerically evaluate double integral. integral3 - Numerically evaluate triple integral. quad - Numerically evaluate integral, low order method. quadgk - Numerically evaluate integral, adaptive Gauss-Kronrod quadrature. quadl - Numerically evaluate integral, higher order method. quadv - Vectorized QUAD. quad2d - Numerically evaluate double integral over a planar region. dblquad - Numerically evaluate double integral over a rectangle. triplequad - Numerically evaluate triple integral. Plotting. ezplot - Easy to use function plotter. ezplot3 - Easy to use 3-D parametric curve plotter. ezpolar - Easy to use polar coordinate plotter. ezcontour - Easy to use contour plotter. ezcontourf - Easy to use filled contour plotter. ezmesh - Easy to use 3-D mesh plotter. ezmeshc - Easy to use combination mesh/contour plotter. ezsurf - Easy to use 3-D colored surface plotter. ezsurfc - Easy to use combination surf/contour plotter. fplot - Plot function. Inline function object. inline - Construct INLINE function object. argnames - Argument names. formula - Function formula. char - Convert INLINE object to character array. Differential equation solvers. Initial value problem solvers for ODEs. (If unsure about stiffness, try ODE45 first, then ODE15S.) ode45 - Solve non-stiff differential equations, medium order method. ode23 - Solve non-stiff differential equations, low order method. ode113 - Solve non-stiff differential equations, variable order method. ode23t - Solve moderately stiff ODEs and DAEs Index 1, trapezoidal rule. ode15s - Solve stiff ODEs and DAEs Index 1, variable order method. ode23s - Solve stiff differential equations, low order method. ode23tb - Solve stiff differential equations, low order method. Initial value problem solver for fully implicit ODEs/DAEs F(t,y,y')=0. decic - Compute consistent initial conditions. ode15i - Solve implicit ODEs or DAEs Index 1. Initial value problem solver for delay differential equations (DDEs). dde23 - Solve delay differential equations (DDEs) with constant delays. ddesd - Solve delay differential equations (DDEs) with variable delays. ddensd - Solve delay differential equations (DDEs) of neutral type. Boundary value problem solver for ODEs. bvp4c - Solve boundary value problems by collocation, 3-stage Lobatto formula. bvp5c - Solve boundary value problems by collocation, 4-stage Lobatto formula. 1D Partial differential equation solver. pdepe - Solve initial-boundary value problems for parabolic-elliptic PDEs. Option handling. odeset - Create/alter ODE OPTIONS structure. odeget - Get ODE OPTIONS parameters. ddeset - Create/alter DDE OPTIONS structure. ddeget - Get DDE OPTIONS parameters. bvpset - Create/alter BVP OPTIONS structure. bvpget - Get BVP OPTIONS parameters. Input and Output functions. deval - Evaluates the solution of a differential equation problem. odextend - Extends the solutions of a differential equation problem. odeplot - Time series ODE output function. odephas2 - 2-D phase plane ODE output function. odephas3 - 3-D phase plane ODE output function. odeprint - Command window printing ODE output function. bvpinit - Forms the initial guess for BVP4C and BVP5C. bvpxtend - Forms a guess structure for extending BVP solution. pdeval - Evaluates by interpolation the solution computed by PDEPE.