Re: differentiation operator
- To: mathgroup at smc.vnet.net
- Subject: [mg100663] Re: [mg100645] differentiation operator
- From: "David Park" <djmpark at comcast.net>
- Date: Wed, 10 Jun 2009 17:11:10 -0400 (EDT)
- References: <5464502.1244626956729.JavaMail.root@n11>
I don't see why you say that the differential operator on the palette doesn't work. If you paste it in a notebook and then fill in x and the expression and then evaluate, it will work. Otherwise, you could do something like: d[x_] = Function[expr, D[expr, x]]; d[x][x^2] 2 x David Park djmpark at comcast.net http://home.comcast.net/~djmpark/ From: Chee Lim Cheung [mailto:CheeLC at sp.edu.sg] Hi All My students have asked me whether it is possible to define the operator df[x]/dx for differentiation rather than D[f[x],x]. The operator is available in a palette but it does not seem to do anything other than for display only. Example: d/dx(x^2)=2x rather than D[x^2,x]=2x. Am I missing something? Thanks Mr. Chee