people i want to square this signal
ecg=pwav+qrswav+twav+swav+qwav+uwav;
i have generated it now i simply wanted to square it how should i do this ...

i tried to solve it by watching the sqauring of sin function but in this case i m getting errors

plz tell me

regards
ehtisham

 

ecg_squared=ecg.^2

 

thankyou freind