S-function

Could anybody give information about S-function? or refer me references about this?

Answer 1

[Fangjun Jiang]

http://www.mathworks.com/help/toolbox/simulink/sfg/f6-633.html. You can find more accurate information for your MATLAB/Simulink version in your local document.

Answer 2

[Kaustubha Govind]

See a previously answered question here: http://www.mathworks.com/matlabcentral/answers/16879-what-s-the-best-approach-for-learning-s-function-development