Is there a built-in function to perform the cross correlation of two functions?
There is Convolve[f,g,x,y] which is similar but not identical.
Isn't Correlation just reversing f[t] aka f[-t] and performing Convolution.
Convolve[f[-x],g[x],x,y]
Think it is ListCorrelate.
ListCorrelate
This is for sequences only, not for continuous functions.