General Extra Toolbox

Contains several m files for matrix manipulation (grow, pad, roll, shift, scale, resize,...), matrix functions (count diferent elements, multi matrix max/min, set/get max/min values, fast tridiagonal system solver, fast max/min filter), matrix indexes manipulations, image functions (add noise, fast max/min filter, display image + marker image, posterize), colormap functions, search path functions, new 1D and 2D Fourier ploting style, etc.