James Tursa
Followers: 1
Interested in external applications, mex & engine applications with Fortran, C, C++, etc, particularly in the areas of speed improvement and memory management efficiencies.
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24 Questions
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7 590
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33 Files
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Download any 10 unique submissions
Awarded to James Tursa on 01 Sep 2023
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Awarded to James Tursa on 08 May 2020
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Awarded to James Tursa on 01 Nov 2019
Publish your first review
Awarded to James Tursa on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to James Tursa on 09 Oct 2019
Publish your first submission
Awarded to James Tursa on 09 Oct 2019
Contribute at least one answer each month for 36 consecutive months
Awarded to James Tursa on 20 Jul 2017
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Awarded to James Tursa on 20 Jul 2017
100 of your answers have been accepted
Awarded to James Tursa on 20 Jul 2017
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Awarded to James Tursa on 20 Jul 2017
Solve a problem for the first time
Awarded to James Tursa on 26 Feb 2012
Feeds
Submitted
SAREK - Sparse Analyzer Real Et Komplex
The SAREK function analyzes a sparse matrix for integrity. Useful especially for checking sparse matrices built by 3rd party s/w...
10 månader ago | 1 download |
Submitted
freadcomplex and fwritecomplex
Mex routines that read and write interleaved complex data files for MATLAB R2018a or later without extra data copy.
mer än 4 år ago | 8 downloads |
Submitted
num2strexact (exact version of num2str)
num2strexact does exact conversion of number to string based on IEEE floating point bit pattern
mer än 4 år ago | 7 downloads |
Submitted
IEEE 754r Half Precision floating point converter
Converts MATLAB or C variables to/from IEEE 754r Half Precision floating point bit pattern.
mer än 4 år ago | 14 downloads |
Submitted
SHAREDCHILD creates a shared data copy of contiguous subset
SHAREDCHILD creates a shared data copy of a contiguous subsection of an existing variable
mer än 4 år ago | 1 download |
Submitted
mxGetPropertyPtr & mxSetPropertySDC C-mex functions
Fast memory efficient alternative to API functions mxGetProperty & mxSetProperty.
mer än 5 år ago | 2 downloads |
Submitted
C Mex MATLAB Version
Mex C code to determine MATLAB version at compile time and run time
mer än 5 år ago | 5 downloads |
Submitted
ISSHARED determines data sharing status among workspace variables
ISSHARED determines data sharing status among workspace variables
mer än 6 år ago | 1 download |
Submitted
LOADFIXNAMES loads a mat file, fixing invalid names
Loads a mat file into the caller's workspace, fixing invalid variable and field names.
mer än 7 år ago | 6 downloads |
Submitted
mexPutVariableSharedDataCopy
This C routine puts a shared data copy of a variable into a workspace from a mex routine
mer än 11 år ago | 1 download |
Submitted
SPARSECLEAN - Efficiently cleans a sparse matrix of small values or nan
SPARSECLEAN cleans a double sparse matrix of small or nan values or values within a range.
mer än 11 år ago | 4 downloads |
Submitted
Fortran 95 Interface to MATLAB API with extras!
This is the one you have been waiting for, a clean interface using assumed shape Fortran pointers.
nästan 13 år ago | 3 downloads |
Submitted
UNINIT - Create an uninitialized variable (like ZEROS but faster)
UNINIT is similar to ZEROS, except UNINIT returns uninitialized values instead of zero values.
mer än 13 år ago | 5 downloads |
Submitted
typecast and typecastx C-mex functions
typecast and typecastx are mex functions that mimic the MATLAB typecast function with extensions
mer än 13 år ago | 1 download |
Submitted
MTIMESX - Fast Matrix Multiply with Multi-Dimensional Support
Beats MATLAB 300% - 400% in some cases ... really!
mer än 13 år ago | 25 downloads |
Submitted
mpower2 - A faster matrix power function.
mpower2 evaluates matrix to an integer power faster than the MATLAB built-in function mpower.
ungefär 15 år ago | 2 downloads |
Submitted
polyvalm2 - A faster matrix polynomial evaluator
polyvalm2 evaluates a polynomial with a matrix argument faster than the MATLAB function polyvalm.
ungefär 15 år ago | 3 downloads |
Submitted
num2vpi - Converts input exactly into vpi
Converts double inputs larger than 2^53-1, or char inputs with exponents, exactly into vpi.
ungefär 15 år ago | 2 downloads |
Submitted
Fortran mex routine mxGetClassName
A drop-in replacement for the TMW Fortran API function mxGetClassName routine that does not work.
ungefär 15 år ago | 1 download |
Submitted
swapbytes C-mex function
swapbytes(X1,X2,...) reverses byte ordering of each element, little-endian values to/from big-endian
mer än 15 år ago | 1 download |
Submitted
Moon Position
moonpos calculates moon position accurate to 10 arcsec. Based on Astronomical Algorithms, Meeus
mer än 15 år ago | 10 downloads |
Submitted
Count "on" "off" or calculate simple "parity" bits of input
Three functions to calculate the number of "on", "off", or simple "parity" bits of input
mer än 16 år ago | 1 download |
Submitted
Fortran mex: mxCopyCharacterToPtr and mxCopyPtrToCharacter
Drop in replacements for the Mathworks supplied functions of the same names that do not work.
mer än 16 år ago | 1 download |
Submitted
Fortran mxCreateLogicalSparseMatrix
The Fortran version of the mxCreateSparseLogicalMatrix function for mex and engine apps
mer än 16 år ago | 1 download |
Submitted
bwmorph c-mex example
This file is the c-mex equivalent of the example given in the bwmorph.m file comments.
mer än 16 år ago | 2 downloads |
Submitted
fulltosparse (Fortran version)
This is a Fortran version of The Mathworks supplied fulltosparse.c, with realloc capability.
mer än 16 år ago | 1 download |
Submitted
bsxarg
bsxarg returns the physically expanded arrays associated with bsxfun
nästan 17 år ago | 1 download |
Submitted
bsxfun
bsxfun is a functional substitute for MATLAB intrinsic of the same name
nästan 17 år ago | 2 downloads |
Submitted
reshape0, reshaping with padding or truncating
A c-mex routine for reshaping with padding or truncating
nästan 17 år ago | 1 download |
Submitted
Fortran Logical mex functions
Fortran mex routines for converting logicals to/from MATLAB mxArray variables
nästan 17 år ago | 1 download |
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