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Install
install.packages('pracma')
Monthly Downloads
87,720
Version
1.9.9
License
GPL (>= 3)
Maintainer
HwB
Last Published
January 11th, 2017
Functions in pracma (1.9.9)
Search functions
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