gnuplot

I think using plot2svg still suffers from loss of details in our graph/plot. I've learned another method how to draw graph and export to latex. I'm satisfied with gnuplot that I learned from the following links:

http://t16web.lanl.gov/Kawano/gnuplot/intro

http://mathewpeet.org/howto/rotate-postscript/

matlab + inkscape

Yesterday, Dominic introduced me with a plot2svg function. This function exports matlab figure directly to inkscape. Here, you can download the function:

http://www.mathworks.com/matlabcentral/fileexchange/7401

Thanks to Dominic. :)