pracma v1.9.9
0
Monthly downloads
by HwB
Practical Numerical Math Functions
Provides a large number of functions from numerical analysis and
linear algebra, numerical optimization, differential equations,
time series, plus some well-known special mathematical functions.
Uses 'MATLAB' function names where appropriate to simplify porting.
Functions in pracma
| Name | Description | |
| abm3pc | Adams-Bashford-Moulton | |
| akimaInterp | Univariate Akima Interpolation | |
| aitken | Aitken' Method | |
| barylag2d | 2-D Barycentric Lagrange Interpolation | |
| and, or | Logical AND, OR (Matlab Style) | |
| andrewsplot | Andrews' Curves | |
| barylag | Barycentric Lagrange Interpolation | |
| arclength | Arc Length of a Curve | |
| angle | Basic Complex Functions | |
| accumarray | Accumulate Vector Elements | |
| disp,beep | Utility functions (Matlab style) | |
| bisect | Rootfinding Through Bisection | |
| brown72 | Brownian Motion | |
| chebCoeff | Chebyshev Polynomials | |
| blkdiag | Block Diagonal Matrix | |
| brentDekker | Brent-Dekker Root Finding Algorithm | |
| chebPoly | Chebyshev Polynomials | |
| broyden | Broyden's Method | |
| crossn | n-dimensional Vector Cross Product | |
| cross | Vector Cross Product | |
| deval | Evaluate ODE Solution | |
| Diag | Matrix Diagonal | |
| clenshaw_curtis | Clenshaw-Curtis Quadrature Formula | |
| combs | Generate Combinations | |
| detrend | Remove Linear Trends | |
| deg2rad | Degrees to Radians | |
| approx_entropy | Approximate and Sample Entropy | |
| eigjacobi | Jacobi Eigenvalue Method | |
| eps | Floating Point Relative Accuracy | |
| ezpolar | Easy Polar Plot | |
| fibsearch | Fibonacci Search | |
| erf | Error Functions and Inverses (Matlab Style) | |
| fractalcurve | Fractal Curves | |
| fprintf | Formatted Printing (Matlab style) | |
| figure | Control Plot Devices (Matlab Style) | |
| gcd, lcm | GCD and LCM Integer Functions | |
| gaussNewton | Gauss-Newton Function Minimization | |
| hausdorff_dist | Hausdorff Distance | |
| householder | Householder Reflections | |
| haversine | Haversine Formula | |
| humps | Matlab Test Functions | |
| interp2 | Two-dimensional Data Interpolation | |
| cd, pwd, what | Directory Functions (Matlab style) | |
| blanks | String of Blank Carakters | |
| bits | Binary Representation | |
| cond | Matrix Condition | |
| ceil | Integer Functions (Matlab Style) | |
| conv | Polynomial Convolution | |
| fact | Factorial Function | |
| findmins | Find All Minima | |
| findpeaks | Find Peaks | |
| gmres | Generalized Minimal Residual Method | |
| hooke_jeeves | Hooke-Jeeves Minimization Method | |
| golden_ratio | Golden Ratio Search | |
| inv | Matrix Inverse (Matlab Style) | |
| horner | Horner's Rule | |
| itersolve | Iterative Methods | |
| isprime | isprime Property | |
| linspace | Linearly Spaced Sequences | |
| logspace | Log-linearly Spaced Sequences | |
| meshgrid | Generate a Mesh Grid | |
| circlefit | Fitting a Circle | |
| cotes | Newton-Cotes Formulas | |
| clear, who(s), ver | Clear function (Matlab style) | |
| direct1d | Univariate Global Optimization | |
| distmat | Distance Matrix | |
| cranknic | Crank-Nicolson Method | |
| cubicspline | Interpolating Cubic Spline | |
| curvefit | Parametric Curve Fit | |
| deconv | Deconvolution | |
| deeve | Event Detection in ODE solution | |
| bulirsch-stoer | Bulirsch-Stoer Algorithm | |
| euler_heun | Euler-Heun ODE Solver | |
| eye | Some Basic Matrices | |
| factors | Prime Factors | |
| normest | Estimated Matrix Norm | |
| newtonInterp | Lagrange and Newtons Interpolation | |
| newtonHorner | Newton's Root Finding Method for Polynomials. | |
| nthroot | Real nth Root | |
| pade | Pade Approximation | |
| pascal | Pascal Triangle | |
| polyApprox | Polynomial Approximation | |
| polyarea | Area of a Polygon | |
| pracma-package | Practical Numerical Math Routines | |
| fderiv | Numerical Differentiation | |
| primes | Prime Numbers | |
| findzeros | Find All Roots | |
| quad2d | 2-d Gaussian Quadrature | |
| geo_median | Geometric Median | |
| flipdim | Matrix Flipping (Matlab Style) | |
| givens | Givens Rotation | |
| hampel | Hampel Filter | |
| kron | Kronecker product (Matlab Style) | |
| hankel | Hankel Matrix | |
| L1linreg | L1 Linear Regression | |
| bsxfun | Elementwise Function Application (Matlab Style) | |
| charpoly | Characteristic Polynomial | |
| cart2sph | Coordinate Transformations | |
| chebApprox | Chebyshev Approximation | |
| compan | Companion Matrix | |
| complexstep | Complex Step Derivatives | |
| cutpoints | Find Cutting Points | |
| dblquad | Double and Triple Integration | |
| fnorm | Function Norm | |
| fornberg | Fornberg's Finite Difference Approximation | |
| hadamard | Hadamard Matrix | |
| legendre | Legendre Functions (Matlab Style) | |
| fzero | Root Finding | |
| fsolve | Solve System of Nonlinear Equations | |
| line_integral | Line integral (in the complex plane) | |
| mldivide | Matlab backslash operator | |
| mod, rem | Integer Division | |
| nextpow2 | Next Power of 2 | |
| nile | Nile overflow data | |
| dot | Scalar Product | |
| eig | Eigenvalue Function (Matlab Style) | |
| findintervals | Find Interval Indices | |
| finds | find function (Matlab Style) | |
| fminbnd | Finding Function Minimum | |
| fminsearch | Minimum Finding | |
| gammaz | Complex Gamma Function | |
| fzsolve | Complex Root Finding | |
| histc | Histogram Count (Matlab style) | |
| histss | Histogram Bin-width Optimization | |
| isempty | isempty Property | |
| invlap | Inverse Laplacian | |
| lu | LU Matrix Factorization | |
| nchoosek | Binomial Coefficients | |
| magic | Magic Square | |
| ndims | Number of Dimensions | |
| nnz | Nonzero Elements | |
| Norm | Vector Norm | |
| integral2 | Numerically Evaluate Double and Triple Integrals | |
| interp1 | One-dimensional Interpolation | |
| laguerre | Laguerre's Method | |
| lambertWp | Lambert's W Function | |
| lsqlin | Linear Least-Squares Fitting | |
| lsqlincon | Linear Least-Squares Fitting with linear constraints | |
| halley | Halley's Root Finding Mathod | |
| Mode | Mode function (Matlab style) | |
| coth,csch,sech, etc. | More Hyperbolic Functions | |
| hurstexp | Hurst Exponent | |
| inpolygon | Polygon Region | |
| integral | Adaptive Numerical Integration | |
| laplacian | Laplacian Operator | |
| moler | Moler Matrix | |
| lebesgue | Lebesgue Constant | |
| newtonsys | Newton Method for Nonlinear Systems | |
| newtonRaphson | Rootfinding through Newton-Raphson or Secant. | |
| numel | Number of Elements | |
| ode23 | Non-stiff (and stiff) ODE solvers | |
| plotyy | Plotting Two y-Axes | |
| pinv | Pseudoinverse or Generalized Inverse | |
| polyadd | Adding Polynomials | |
| poly2str | Print Polynomial | |
| quadv | Vectorized Integration | |
| repmat | Replicate Matrix | |
| quiver | Quiver or Velocity Plot | |
| pchip | Hermitean Interpolation Polynomials | |
| Reshape | Reshape Matrix | |
| peaks | Peaks Function (Matlab Style) | |
| polytrans | Polynomial Transformation | |
| polypow | Polynomial Powers | |
| ppval | Piecewise Polynomial Structures | |
| quadinf | Infinite Integrals | |
| ppfit | Piecewise Polynomial Fit | |
| quadl | Adaptive Lobatto Quadrature | |
| regexprep | Replace string using regular expression | |
| regexp | Match regular expression | |
| roots | Polynomial Roots | |
| rosser | Rosser Matrix | |
| orth | Range Space | |
| odregress | Orthogonal Distance Regression | |
| perms | Generate Permutations | |
| piecewise | Piecewise Linear Function | |
| polymul | Multiplying Polynomials | |
| polyint | Anti-derivative of Polynomial | |
| qrSolve | LSE Solution | |
| errorbar | Plot Error Bars | |
| eta | Dirichlet Eta Function | |
| ezcontour,ezsurf,ezmesh | Contour, Surface, and Mesh Plotter | |
| gauss_kronrod | Gauss-Kronrod Quadrature | |
| ezplot | Easy Function Plot | |
| gaussLegendre | Gauss-Legendre Quadrature Formula | |
| quadcc | Adaptive Clenshaw-Curtis Quadrature | |
| simpadpt | Adaptive Simpson Quadrature | |
| randperm | Random Permutation | |
| randortho | Generate Random Orthonormal or Unitary Matrix | |
| softline | Soft (Inexact) Line Search | |
| simpson2d | Double Simpson Integration | |
| matlab | Matlab Compatibility | |
| geomean, harmmean | Geometric and Harmonic Mean (Matlab Style) | |
| nearest_spd | Nearest Symmetric Positive-definite Matrix | |
| nelder_mead | Nelder-Mead Minimization | |
| pow2 | Base 2 Power | |
| randcomb | Random Combination | |
| rand | Create Random Matrices | |
| polyval | Evaluating a Polynomial | |
| quad | Adaptive Simpson Quadrature | |
| ratinterp | Rational Interpolation | |
| rationalfit | Rational Function Approximation | |
| rot90 | Matrix Rotation | |
| runge | Runge Function | |
| rref | Reduced Row Echelon Form | |
| spinterp | Monotone (Shape-Preserving) Interpolation | |
| sortrows | Sort Rows of a Matrix (Matlab Style) | |
| savgol | Savitzky-Golay Smoothing | |
| taylor | Taylor Series Approximation | |
| sumalt | Alternating Series Acceleration | |
| trapz | Trapezoidal Integration | |
| gradient | Discrete Gradient (Matlab Style) | |
| ifft | Inverse Fast Fourier Transformation | |
| gramSchmidt | Gram-Schmidt | |
| hilb | Hilbert Matrix | |
| hypot | Hypotenuse Function | |
| hessian | Hessian Matrix | |
| triquad | Gaussian Triangle Quadrature | |
| jacobian | Jacobian Matrix | |
| trisolve | Tridiagonal Linear System Solver | |
| neville | Neville's Method | |
| muller | Muller's Method | |
| kriging | Interpolation by Kriging | |
| nullspace | Kernel or Nullspace | |
| newmark | Newmark Method | |
| movavg | Moving Average Filters | |
| numderiv | Richardson's Numerical Derivative | |
| polar | Polar Coordinate Plot (Matlab Style) | |
| Poly | Define Polynomial by Roots | |
| polyder | Derivative of Polynomial | |
| polyfit,polyfix | Fitting by Polynomial | |
| qpspecial | Special Quadratic Programming Solver | |
| quadgk | Adaptive Gauss-Kronrod Quadrature | |
| procrustes | Solving the Procrustes Problem | |
| quadgr | Gaussian Quadrature with Richardson Extrapolation | |
| Rank | Matrix Rank | |
| rat | Continuous Fractions (Matlab Style) | |
| rmserr | Accuracy Measures | |
| romberg | Romberg Integration | |
| sind,cosd,tand, etc. | Trigonometric Functions in Degrees | |
| strTrim | Remove leading and trailing white space. | |
| steep_descent | Steepest Descent Minimization | |
| std | Standard Deviation (Matlab Style) | |
| size | Size of Matrix | |
| subspace | Angle between two subspaces | |
| tri | Triangular Matrices (Matlab Style) | |
| rectint | Rectangle Intersection Areas | |
| refindall | Find overlapping regular expression matches. | |
| rkf54 | Runge-Kutta-Fehlberg | |
| semilogx,semilogy | Semi-logarithmic Plots (Matlab Style) | |
| shooting | Shooting Method | |
| str2num | Converting string to number (Matlab style) | |
| rk4, rk4sys | Classical Runge-Kutta | |
| segm_distance | Segment Distance | |
| segm_intersect | Segment Intersection | |
| std_err | Standard Error | |
| squareform | Format Distance Matrix (Matlab Style) | |
| tic,toc | MATLAB timer functions | |
| titanium | Titanium Test Data | |
| Trace | Matrix trace | |
| Toeplitz | Toeplitz Matrix | |
| vander | Vandermonde matrix | |
| vectorfield | Vector Field Plotting | |
| whittaker | Whittaker Smoothing | |
| wilkinson | wilkinson Matrix | |
| sorting | Sorting Routines | |
| strRep | Find and replace substring | |
| strjust | Justify character vector | |
| strcat | String Concatenation | |
| strfind | Find Substrings | |
| strcmp | String Comparison | |
| trigApprox | Trigonometric Approximation | |
| zeta | Riemann Zeta Function | |
| cot,csc,sec, etc. | More Trigonometric Functions | |
| No Results! | ||
Last month downloads
Details
| Type | Package |
| Date | 2017-01-10 |
| License | GPL (>= 3) |
| LazyLoad | yes |
| LazyData | yes |
| Repository | CRAN |
| Repository/R-Forge/Project | optimist |
| Repository/R-Forge/Revision | 423 |
| Repository/R-Forge/DateTimeStamp | 2017-01-10 18:00:20 |
| Date/Publication | 2017-01-11 01:43:13 |
| NeedsCompilation | no |
| Packaged | 2017-01-10 18:05:25 UTC; rforge |
| imports | graphics , grDevices , quadprog , stats , utils |
| depends | R (>= 2.11.1) |
| Contributors | Hans Borchers |
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