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pracma (version 0.7-3)

Practical Numerical Math Functions

Description

This package provides R implementations of functions in numerical analysis, with a special view on on optimization and time series routines. Uses Matlab/Octave function names where appropriate to simplify porting.

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Version

Install

install.packages('pracma')

Monthly Downloads

87,555

Version

0.7-3

License

GPL (>= 3)

Maintainer

HwB

Last Published

July 23rd, 2011

Functions in pracma (0.7-3)

Golden Ratio Search

Complex Step Derivation

Fitting a Circle

Arithmetic-geometric Mean

Clear function (Matlab style)

Chebyshev Polynomials

Chebyshev Polynomials

Matrix flipping

Fresnel Integrals

Fresnel Integrals

Polynomial Convolution

Matrix diagonal

Gauss-Kronrod Quadrature

Discrete Gradient (Matlab Style)

Rootfinding through Bisection

Fibonacci Search

Distance Matrix

Log-linearly Spaced Sequences

Characteristic Polynomial

Companion Matrix

Event Detection in ODE solution

Matrix Exponential

Gauss-Hermite Quadrature Formula

Broyden's Method

Double Integration

Modular Inverse

clenshaw_curtis

Clenshaw-Curtis Quadrature Formula

Find Interval Indices

Vector Cross Product

Newton-Cotes Formulas

Logical AND, OR (Matlab Style)

2-D Barycentric Lagrange Interpolation

Beep function (Matlab style)

Infinite Integrals

Jacobian Matrix

Find All Minima

Block Diagonal Matrix

Generate Combinations

Number of Prime Factors

Factorial Function

Barycentric Lagrange Interpolation

Easy Function Plot

Neville's Method

Two-dimensional Data Interpolation

Gauss-Legendre Quadrature Formula

Dirichlet Eta Function

Einstein Functions

Adams-Bashford-Moulton

Solve System of Nonlinear Equations

Remove Linear Trends

GCD and LCM Integer Functions

Lambert's W Function

Laplacian Operator

Brent-Dekker Root Finding Method

n-dimensional Vector Cross Product

Laguerre's Method

Mode function (Matlab style)

String of Blank Carakters

Numerical Differentiation

Power Function modulo m

Muller's Method

Error Functions (Matlab Style)

Polynomial Transformation

Basic Complex Functions

Accuracy Measures

Find function (Matlab Style)

Matrix Inverse (Matlab Style)

Matlab Test Functions

Kernel or Nullspace

Numerical Gradient

Minimum Finding

isempty Property

Evaluating a Polynomial

Next Power of 2

Gauss-Laguerre Quadrature Formula

Number of Elements

Integer Functions (Matlab Style)

Chebyshev Approximation

Gaussian Quadrature with Richardson Extrapolation

Matrix Condition

2-d Gaussian Quadrature

Continous Fractions

Evaluate ODE Solution

Match regular expression

Some Basic Matrices

Adaptive Lobatto Quadrature

Lagrange and Newtons Interpolation

Pade Approximation

Complex Gamma Function

Rootfinding through Newton-Raphson or Secant.

Eigenvalue Function (Matlab Style)

Richardson's Numerical Derivative

Eulers's Phi Function

Area of a Polygon

Generate Permutations

isprime Property

Moebius Function

Piecewise Linear Function

String Concatenation

Minimum Finding

Derivative of Polynomial

Hadamard Matrix

Polynomial Approximation

Hypothenuse Function

Practical Numerical Math Routines

Generate a Mesh Grid

Integer Division

Inverse Fast Fourier Transformation

Adding Polynomials

Newton Method for Nonlinear Systems

Lebesgue Constant

Hermitean Interpolation Polynomials

Adaptive Simpson Quadrature

Binomial Coefficients

Double Simpson Integration

Print Polynomial

Number of Dimensions

Romberg Integration

Create Random Matrices

Continuous Fractions (Matlab Style)

Rational Interpolation

Sigmoid Function

Find Substrings

Matrix Rotation

Quiver or Velocity Plot

Polynomial Powers

Savitzky-Golay Smoothing

Runge-Kutta-Fehlberg

Estimated Matrix Norm

Anti-derivative of Polynomial

Segment Distance

Random Permutation

Extended Euclidean Algorithm

Fitting by Polynomial

Rational Function Approximation

Random Combination

Sorting Routines

Matlab backslash operator

One-dimensional Interpolation

Replicate Matrix

Kronecker product (Matlab Style)

Pseudoinverse or Generalized Inverse

Polynomial Roots

Define Polynomial by Roots

Multiplying Polynomials

Find overlapping regular expression matches.

Classical Runge-Kutta

Pascal Triangle

Linearly Spaced Sequences

Segment Intersection

Adaptive Gauss-Kronrod Quadrature

Replace string using regular expression

Taylor Series Approximation

Newton's Root Finding Method for Polynomials.

Standard Deviation (Matlab Style)

Divisor Functions

Gaussian Triangle Quadrature

Justify character vector

Triangular Matrices (Matlab Style)

Adaptive Simpson Quadrature

Remove leading and trailing white space.

Trigonometric Approximation

Trapezoidal Integration

Angle between two subspaces

Trigonometric Polynomial

Toeplitz Matrix

Riemann Zeta Function

Vandermonde matrix

Wilkinson Matrix

String Comparison

Find and replace substring

Vector Field Plotting