MATLAB Application Program Interface Reference

Get value of eps

#include "matrix.h"
double mxGetEps(void);

Returns

The value of the MATLAB eps variable.

Description

Call mxGetEps to return the value of MATLAB's eps variable. This variable holds the distance from 1.0 to the next largest floating point number. As such, it is a measure of floating-point accuracy. MATLAB's PINV and RANK functions use eps as a default tolerance.