Package index • pracma

All functions
`abm3pc()`	Adams-Bashford-Moulton
`accumarray()` `uniq()`	Accumulate Vector Elements
`agmean()`	Arithmetic-geometric Mean
`aitken()`	Aitken' Method
`akimaInterp()`	Univariate Akima Interpolation
`and()` `or()`	Logical AND, OR (Matlab Style)
`andrewsplot()`	Andrews' Curves
`Real()` `Imag()` `angle()`	Basic Complex Functions
`anms()`	Adaptive Nelder-Mead Minimization
`arclength()`	Arc Length of a Curve
`arnoldi()`	Arnoldi Iteration
`barylag()`	Barycentric Lagrange Interpolation
`barylag2d()`	2-D Barycentric Lagrange Interpolation
`disp()` `beep()`	Utility functions (Matlab style)
`bernoulli()`	Bernoulli Numbers and Polynomials
`bernstein()` `bernsteinb()`	Bernstein Polynomials
`bisect()` `secant()` `regulaFalsi()`	Rootfinding Through Bisection or Secant Rule
`bits()`	Binary Representation
`blanks()`	String of Blank Carakters
`blkdiag()`	Block Diagonal Matrix
`brentDekker()` `brent()`	Brent-Dekker Root Finding Algorithm
`brown72`	Brownian Motion
`broyden()`	Broyden's Method
`bsxfun()` `arrayfun()`	Elementwise Function Application (Matlab Style)
`bvp()`	Boundary Value Problems
`cart2sph()` `sph2cart()` `cart2pol()` `pol2cart()`	Coordinate Transformations
`cd()` `pwd()` `what()`	Directory Functions (Matlab style)
`ceil()` `Fix()`	Integer Functions (Matlab Style)
`charpoly()`	Characteristic Polynomial
`chebApprox()`	Chebyshev Approximation
`chebCoeff()`	Chebyshev Polynomials
`chebPoly()`	Chebyshev Polynomials
`circlefit()`	Fitting a Circle
`clear()` `ver()` `who()` `whos()`	Clear function (Matlab style)
`clenshaw_curtis()`	Clenshaw-Curtis Quadrature Formula
`combs()`	Generate Combinations
`compan()`	Companion Matrix
`complexstep()` `grad_csd()` `jacobian_csd()` `hessian_csd()` `laplacian_csd()`	Complex Step Derivatives
`cond()`	Matrix Condition
`conv()`	Polynomial Convolution
`cotes()`	Newton-Cotes Formulas
`cranknic()`	Crank-Nicolson Method
`cross()`	Vector Cross Product
`crossn()`	n-dimensional Vector Cross Product
`cubicspline()`	Interpolating Cubic Spline
`curvefit()`	Parametric Curve Fit
`cutpoints()`	Find Cutting Points
`dblquad()` `triplequad()`	Double and Triple Integration
`deconv()`	Deconvolution
`deeve()`	Event Detection in ODE solution
`deg2rad()` `rad2deg()`	Degrees to Radians
`detrend()`	Remove Linear Trends
`deval()`	Evaluate ODE Solution
`Diag()`	Matrix Diagonal
`distmat()` `pdist()` `pdist2()`	Distance Matrix
`dot()`	Scalar Product
`eig()`	Eigenvalue Function (Matlab Style)
`eigjacobi()`	Jacobi Eigenvalue Method
`einsteinF()`	Einstein Functions
`ellipke()` `ellipj()`	Elliptic and Jacobi Elliptic Integrals
`approx_entropy()` `sample_entropy()`	Approximate and Sample Entropy
`eps()`	Floating Point Relative Accuracy
`erf()` `erfinv()` `erfc()` `erfcinv()` `erfcx()` `erfz()` `erfi()`	Error Functions and Inverses (Matlab Style)
`errorbar()`	Plot Error Bars
`eta()`	Dirichlet Eta Function
`euler_heun()`	Euler-Heun ODE Solver
`expint()` `expint_E1()` `expint_Ei()` `li()`	Exponential and Logarithmic Integral
`expm()` `logm()`	Matrix Exponential
`eye()` `ones()` `zeros()`	Some Basic Matrices
`ezcontour()` `ezsurf()` `ezmesh()`	Contour, Surface, and Mesh Plotter
`fplot()` `ezplot()`	Easy Function Plot
`ezpolar()`	Easy Polar Plot
`fact()` `factorial2()`	Factorial Function
`factors()`	Prime Factors
`fderiv()`	Numerical Differentiation
`fibsearch()`	Fibonacci Search
`figure()`	Control Plot Devices (Matlab Style)
`finds()`	find function (Matlab Style)
`findintervals()`	Find Interval Indices
`findmins()`	Find All Minima
`findpeaks()`	Find Peaks
`findzeros()`	Find All Roots
`fletcher_powell()`	Fletcher-Powell Conjugate Gradient Minimization
`flipdim()` `flipud()` `fliplr()` `circshift()`	Matrix Flipping (Matlab Style)
`fminbnd()`	Finding Function Minimum
`fmincon()`	Minimize Nonlinear Constrained Multivariable Function.
`fminsearch()`	Derivative-free Nonlinear Function Minimization
`fminunc()`	Minimize Unconstrained Multivariable Function
`fnorm()`	Function Norm
`fornberg()`	Fornberg's Finite Difference Approximation
`fprintf()`	Formatted Printing (Matlab style)
`fractalcurve()`	Fractal Curves
`fresnelS()` `fresnelC()`	Fresnel Integrals
`fsolve()`	Solve System of Nonlinear Equations
`fzero()`	Root Finding Algorithm
`fzsolve()`	Complex Root Finding
`gammainc()` `incgam()`	Incomplete Gamma Function
`gammaz()`	Complex Gamma Function
`gaussHermite()`	Gauss-Hermite Quadrature Formula
`gaussLaguerre()`	Gauss-Laguerre Quadrature Formula
`gaussLegendre()`	Gauss-Legendre Quadrature Formula
`gaussNewton()`	Gauss-Newton Function Minimization
`gauss_kronrod()`	Gauss-Kronrod Quadrature
`gcd()` `Lcm()`	GCD and LCM Integer Functions
`geo_median()`	Geometric Median
`givens()`	Givens Rotation
`gmres()`	Generalized Minimal Residual Method
`golden_ratio()`	Golden Ratio Search
`grad()`	Numerical Gradient
`gradient()`	Discrete Gradient (Matlab Style)
`gramSchmidt()`	Gram-Schmidt
`hadamard()`	Hadamard Matrix
`halley()`	Halley's Root Finding Mathod
`hampel()`	Hampel Filter
`hankel()`	Hankel Matrix
`hausdorff_dist()`	Hausdorff Distance
`haversine()`	Haversine Formula
`hessenberg()`	Hessenberg Matrix
`hessian()`	Hessian Matrix
`hessvec()` `hessdiag()`	Hessian utilities
`hilb()`	Hilbert Matrix
`histc()`	Histogram Count (Matlab style)
`histss()`	Histogram Bin-width Optimization
`hooke_jeeves()`	Hooke-Jeeves Function Minimization Method
`horner()` `hornerdefl()`	Horner's Rule
`householder()`	Householder Reflections
`humps()` `sinc()` `psinc()`	Matlab Test Functions
`hurstexp()`	Hurst Exponent
`coth()` `csch()` `sech()` `acoth()` `acsch()` `asech()`	More Hyperbolic Functions
`hypot()`	Hypotenuse Function
`ifft()` `ifftshift()` `fftshift()`	Inverse Fast Fourier Transformation
`inpolygon()`	Polygon Region
`integral()`	Adaptive Numerical Integration
`integral2()` `integral3()`	Numerically Evaluate Double and Triple Integrals
`interp1()`	One-dimensional Interpolation
`interp2()`	Two-dimensional Data Interpolation
`inv()`	Matrix Inverse (Matlab Style)
`invlap()`	Inverse Laplacian
`isempty()`	isempty Property
`isposdef()`	Positive Definiteness
`isprime()`	isprime Property
`itersolve()`	Iterative Methods
`jacobian()`	Jacobian Matrix
`kriging()`	Interpolation by Kriging
`kron()`	Kronecker product (Matlab Style)
`L1linreg()`	L1 Linear Regression
`laguerre()`	Laguerre's Method
`lambertWp()` `lambertWn()`	Lambert's W Function
`laplacian()`	Laplacian Operator
`lebesgue()`	Lebesgue Constant
`legendre()`	Legendre Functions (Matlab Style)
`line_integral()`	Line integral (in the complex plane)
`linearproj()` `affineproj()`	Linear Projection onto a Subspace
`linprog()`	Linear Programming Solver
`linspace()`	Linearly Spaced Sequences
`logspace()` `logseq()`	Log-linearly Spaced Sequences
`lsqlin()`	Linear Least-Squares Fitting
`lsqlincon()`	Linear Least-Squares Fitting with linear constraints
`lsqnonlin()` `lsqnonneg()` `lsqsep()` `lsqcurvefit()`	Nonlinear Least-Squares Fitting
`lu()` `lu_crout()` `lufact()` `lusys()`	LU Matrix Factorization
`magic()`	Magic Square
`matlab()`	Matlab Compatibility
`geomean()` `harmmean()` `trimmean()`	Geometric and Harmonic Mean (Matlab Style)
`meshgrid()`	Generate a Mesh Grid
`mexpfit()`	Multi-exponential Fitting
`bulirsch_stoer()` `midpoint()`	Bulirsch-Stoer Algorithm
`mldivide()` `mrdivide()`	Matlab backslash operator
`mod()` `rem()` `idivide()`	Integer Division
`Mode()`	Mode function (Matlab style)
`moler()`	Moler Matrix
`movavg()`	Moving Average Filters
`muller()`	Muller's Method
`nchoosek()`	Binomial Coefficients
`ndims()`	Number of Dimensions
`nearest_spd()`	Nearest Symmetric Positive-definite Matrix
`nelder_mead()`	Nelder-Mead Function Minimization Method
`neville()`	Neville's Method
`newmark()`	Newmark Method
`newtonHorner()`	Newton's Root Finding Method for Polynomials.
`newtonInterp()` `lagrangeInterp()`	Lagrange and Newtons Interpolation
`newtonRaphson()` `newton()`	Rootfinding through Newton-Raphson or Secant.
`newtonsys()`	Newton Method for Nonlinear Systems
`nextpow2()`	Next Power of 2
`nnz()`	Nonzero Elements
`Norm()`	Vector Norm
`normest()`	Estimated Matrix Norm
`nthroot()`	Real nth Root
`nullspace()` `null()`	Kernel or Nullspace
`numderiv()` `numdiff()`	Richardson's Numerical Derivative
`numel()`	Number of Elements
`ode23()` `ode23s()` `ode45()` `ode78()`	Non-stiff (and stiff) ODE solvers
`odregress()`	Orthogonal Distance Regression
`orth()`	Range Space
`pade()`	Pade Approximation
`pascal()`	Pascal Triangle
`pchip()` `pchipfun()`	Hermitean Interpolation Polynomials
`peaks()`	Peaks Function (Matlab Style)
`perms()`	Generate Permutations
`piecewise()`	Piecewise Linear Function
`pinv()`	Pseudoinverse or Generalized Inverse
`plotyy()`	Plotting Two y-Axes
`poisson2disk()`	Poisson Disk Sampling
`polar()`	Polar Coordinate Plot (Matlab Style)
`Poly()`	Define Polynomial by Roots
`poly2str()`	Print Polynomial
`polyApprox()`	Polynomial Approximation
`polyadd()`	Adding Polynomials
`polyarea()` `poly_length()` `poly_center()` `poly_crossings()`	Area of a Polygon
`polyder()`	Derivative of Polynomial
`polyfit()` `polyfix()`	Fitting by Polynomial
`polyint()`	Anti-derivative of Polynomial
`polylog()`	Polylogarithm Function
`polymul()` `polydiv()`	Multiplying and Dividing Polynomials
`polypow()`	Polynomial Powers
`polytrans()` `polygcf()`	Polynomial Transformations
`polyval()` `polyvalm()`	Evaluating a Polynomial
`pow2()`	Base 2 Power
`mkpp()` `ppval()`	Piecewise Polynomial Structures
`ppfit()`	Piecewise Polynomial Fit
`pracma-package` `pracma`	Practical Numerical Math Routines
`primes()`	Prime Numbers
`procrustes()` `kabsch()`	Solving the Procrustes Problem
`psi()`	Psi (Polygamma) Function
`qpspecial()` `qpsolve()`	Special Quadratic Programming Solver
`qrSolve()`	LSE Solution
`quad()`	Adaptive Simpson Quadrature
`quad2d()`	2-d Gaussian Quadrature
`quadcc()`	Adaptive Clenshaw-Curtis Quadrature
`quadgk()`	Adaptive Gauss-Kronrod Quadrature
`quadgr()`	Gaussian Quadrature with Richardson Extrapolation
`quadinf()`	Infinite Integrals
`quadl()`	Adaptive Lobatto Quadrature
`quadprog()`	Quadratic Programming
`quadv()`	Vectorized Integration
`quiver()`	Quiver or Velocity Plot
`rand()` `randn()` `randi()` `randsample()` `rands()` `randp()`	Create Random Matrices
`randcomb()`	Random Combination
`randortho()`	Generate Random Orthonormal or Unitary Matrix
`randperm()`	Random Permutation
`Rank()`	Matrix Rank
`rat()` `rats()`	Continuous Fractions (Matlab Style)
`ratinterp()`	Rational Interpolation
`rationalfit()`	Rational Function Approximation
`rectint()`	Rectangle Intersection Areas
`refindall()`	Find overlapping regular expression matches.
`regexp()` `regexpi()`	Match regular expression
`regexprep()`	Replace string using regular expression
`repmat()`	Replicate Matrix
`Reshape()`	Reshape Matrix
`ridders()`	Ridders' Root Finding Method
`rk4()` `rk4sys()`	Classical Runge-Kutta
`rkf54()`	Runge-Kutta-Fehlberg
`rmserr()`	Accuracy Measures
`romberg()`	Romberg Integration
`roots()` `polyroots()` `rootsmult()`	Polynomial Roots
`rosser()`	Rosser Matrix
`rot90()`	Matrix Rotation
`rref()`	Reduced Row Echelon Form
`runge()`	Runge Function
`savgol()`	Savitzky-Golay Smoothing
`segm_distance()`	Segment Distance
`segm_intersect()`	Segment Intersection
`semilogx()` `semilogy()` `loglog()`	Semi-logarithmic Plots (Matlab Style)
`shooting()`	Shooting Method
`shubert()`	Shubert-Piyavskii Method
`Si()` `Ci()`	Sine and Cosine Integral Functions
`sigmoid()` `logit()`	Sigmoid Function
`simpadpt()`	Adaptive Simpson Quadrature
`simpson()`	Simpson Integration
`simpson2d()`	Double Simpson Integration
`sind()` `cosd()` `tand()` `cotd()` `asind()` `acosd()` `atand()` `acotd()` `secd()` `cscd()` `asecd()` `acscd()` `atan2d()`	Trigonometric Functions in Degrees
`size()`	Size of Matrix
`softline()`	Soft (Inexact) Line Search
`is.sorted()` `testSort()` `bubbleSort()` `insertionSort()` `selectionSort()` `shellSort()` `heapSort()` `mergeSort()` `mergeOrdered()` `quickSort()` `quickSortx()`	Sorting Routines
`sortrows()`	Sort Rows of a Matrix (Matlab Style)
`spinterp()`	Monotone (Shape-Preserving) Interpolation
`sqrtm()` `signm()` `rootm()`	Matrix Square and p-th Roots
`squareform()`	Format Distance Matrix (Matlab Style)
`std()`	Standard Deviation (Matlab Style)
`std_err()`	Standard Error
`steep_descent()`	Steepest Descent Minimization
`stereographic()` `stereographic_inv()`	Stereographic Projection
`str2num()` `num2str()`	Converting string to number (Matlab style)
`strcat()`	String Concatenation
`strcmp()` `strcmpi()`	String Comparison
`strfind()` `strfindi()` `findstr()`	Find Substrings
`strjust()`	Justify character vector
`strRep()`	Find and replace substring
`strTrim()` `deblank()`	Remove leading and trailing white space.
`subspace()`	Angle between two subspaces
`sumalt()`	Alternating Series Acceleration
`taylor()`	Taylor Series Approximation
`tic()` `toc()`	MATLAB timer functions
`titanium`	Titanium Test Data
`Toeplitz()`	Toeplitz Matrix
`Trace()`	Matrix trace
`trapz()` `cumtrapz()` `trapzfun()`	Trapezoidal Integration
`tril()` `triu()`	Triangular Matrices (Matlab Style)
`trigApprox()`	Trigonometric Approximation
`trigPoly()`	Trigonometric Polynomial
`cot()` `csc()` `sec()` `acot()` `acsc()` `asec()`	More Trigonometric Functions
`triquad()`	Gaussian Triangle Quadrature
`trisolve()`	Tridiagonal Linear System Solver
`vander()`	Vandermonde matrix
`vectorfield()`	Vector Field Plotting
`whittaker()`	Whittaker Smoothing
`wilkinson()`	wilkinson Matrix
`zeta()`	Riemann Zeta Function

Reference

All functions