Problem defining delta function
- To: uiucuxc!yoda.ncsa.uiuc.edu!mathgroup
- Subject: Problem defining delta function
- From: uiucuxc!quark.umd.edu!mcdonald (Bill MacDonald)
- Date: Thu, 15 Mar 90 17:45:20 EST
I began to try to define the delta function, but the first step fails. Why? delta/: delta[x_]f_[x_]:=delta[x]f[0] Then if f[x_]=(x-a)^2 and I try delta[x]f[x] Mathematica simply gives back (-a + x)^2 delta[x] What is wrong ?