mex_WriteMatrix

Fast csvwrite/dlmwrite replacement for MATLAB (.mex function)

Replacement (fast!) for dlmwrite in MATLAB
Function to write matrix contents to the file. Replacement for (slow) dlmwrite in MATLAB

Usage: mex_WriteMatrix(filename,matrix,format,delimiter, writemode);

Parameters:

filename - full path for CSV file to export
matrix - matrix of type 'double' values to be exported
format - format of export (sprintf) , e.g. '%10.6f'
delimiter - delimiter, for example can be ',' or ';'
writemode - write mode 'w+' for rewriting file 'a+' for appending

http://nazarovsky.ru/2014/08/22/fast-csv-values-export-to-file-mex-based-dlmwrite-replacement-for-matlab/