Hi Nandita, Yes, there is no variance function. You could add one by editing ptolemy/data/expr/UtilityFunctions.java
_Christopher -------- Nandita writes: Hi there, I had implemented a variance actor , which calculates simple variance give n an array...however I was wondering if i can do the same with expression actor? I couldn't find a variance fcn is there one? thanks, nandita. ---------------------------------------------------------------------------- Posted to the ptolemy-hackers mailing list. Please send administrative mail for this list to: [EMAIL PROTECTED]