minim.f90 The Nelder-Mead simplex algorithm for unconstrained minimization. dmexp.f90 Calculates the exponential of a matrix. using the L_1 norm. as66.f90 Area under the normal curve.

CISIA computes cosine Ci(x) and sine integrals Si(x). This page has been accessed 57,560 times. There is also a test program: -- t_svd.f90 fft.f90 Fast Fourier Transform (FFT) for any length of series which has no prime factor greater than 23. I have also added my own nonnegls.f90 routine which is called after a QR-factorization has been formed using module LSQ.

This is now ELF90-compatible. Where does the name Pikaia come from? cexpli.f90 Exponential integral for complex argument. as6.f90 Cholesky factorization of symmetric positive definite matrix with only lower triangle stored as a vector (2 versions).

dsvdc.f90 Calculates the singular-value decomposition (SVD) of a real matrix. N.B. Algorithm 916 requires an external complementary error function erfc(x) function for real arguments x to be supplied as a subroutine. as177.f90 Calculates the expected values of normal order statistics.

toms796.zip This package is for the numerical inversion of Laplace transforms. mace.f90 is an F90 version of Jerry Friedman's program to estimate multiple optimal transformations for regression and correlation by alternating conditional expectation estimates. ERFZ enhances ERF to evaluate the error function of complex numbers too. subset.f90 is a driver program which uses the above two modules.

CLQMN: associated Legendre functions and derivatives for complex argument. toms751.f90 Renka's TRIPACK package for constrained 2D Delaunay triangulation, including test program (with built-in data) and output files. test780.f90 A program to compare speeds of 3 different generators. There are also, a short test program: test615.f90 A data file for the test program: test615.dat and a file showing the output: test615.out toms639.f90 Integration from zero to infinity of oscillating

ASWFB: prolate and oblate spheroidal angular functions of the first kind. strassen.f90 The Strassen fast matrix multiply algorithm for large matrices. See below for a program to calculate in quadruple precision the weights and abscissae. Scilab has incorporated this code to implement complex error functions (and related functions) in SciPy version 0.12.

STVL0 computes the modified Struve function L0(x). update.f90 Three very short subroutines to update the sample mean and sum of squares of deviations about the mean (and hence update variances or std. Math. Comment only 11 Mar 2012 Zeqë Zeqë (view profile) 0 files 0 downloads 0.0 How could I use the code if I have the R2010b version? 23 Nov 2011 Felix Felix

This is a translation of the MINPACK routines, LMDER & LMDIF. chirp.f90 The CHIRP-Z Fast Fourier transform for series of arbitrary length. constant.f90 This is a module of constants used by some of the functions in the NSWC collection of routines. sortchar.f90 Code for sorting character strings.

Semenenk#3 / 3 Error Function of Complex Argument Hello everyone, Thanks to all, I have got the code I needed. I have included testfunc.f90 which will eventually contain all of Neumaier's 30 test functions. There is also a test program which may be useful test395.f90. double im_w_of_x (double x): The same for real x, returning the purely imaginary result as a real number.

The user must provide a subroutine to supply any requested row of the matrix. Tha main uses of this algorithm are likely to be for choosing designs in situations in which there are blocks of an awkward size, and for augmenting an experiment which has as135.f90 Min-Max (L-infinity) estimates for linear multiple regression, includes a test program. lm.zip Levenberg-Marquardt algorithm for non-linear least squares (unconstrained).

I fixed our code to avoid using erfc because I also need to parallelize those codes, like changed erfc to... !erfc function t=1.0 / (1.0 + 0.3275911 * x ) xsqq=x KLVNB: Kelvin functions ber(x), bei(x), ker(x), and kei(x), and derivatives. It can use differences instead of derivatives, and bounds may be imposed on the parameters. License: MIT License When using libcerf in scientific work, please cite as follows: S.

The present library libcerf provides the missing implementation, along with a related functions. t_minim.f90 is a very simple test program for minim.f90 which may help users. Comments and Ratings (7) 21 Aug 2015 Karan Gill Karan Gill (view profile) 0 files 0 downloads 0.0 An alternative is to use the Symbolic Math Toolbox if you have it. It can be downloaded by ftp from: http://fibonacci.dm.unipi.it/~bini/ric.html.

There is a short test program t_quad_nas.f90, for testing the basic arithmetic operations (+-*/), and other test programs t_cubert_nas.f90, t_cst_nas.f90, t_logexp_nas.f90 and t_arc_nas.f90,for testing logs, exponential and trigonometric functions. Python: Our code is used to provide scipy.special.erf, scipy.special.wofz, and the other error functions in SciPy starting in version 0.12.0 (see here). Opens overlay T.A Zaker Engineering Mechanics Division I.I.T. lanczos.f90 A simple algorithm for the logarithm of the gamma function.

CLPN computes Legendre functions and derivatives for complex argument. Code written by other authors or from other sources (e.g., academic journals) may be subject to other restrictions. For statistical software in a variety of languages try statlib. Complex trig functions for large imaginary arguments 4.

Includes a short driver program, and hence includes the interfaces needed for your program. There is a sample program fit.f90 and the original documentation global.txt for the f77 version. as60.f90 Calculates the eigenvalues/vectors of a real symmetric matrix. erferror functionmathematicsnumerical evaluation Cancel Please login to add a comment or rating.

For multivariate normal integrals, and for multiple integration in general, look at Alan Genz's home page. HYGFZ computes the hypergeometric function F(a,b,c,x) for complex argument. q_rpoly.f90 is a version in quadruple precision. hbrd.f90 Solve sets of non-linear equations using Powell's Hybrid algorithm.

KLVNA: Kelvin functions ber(x), bei(x), ker(x), and kei(x), and derivatives. Poppe and C.