-----maxima-bounces at math.utexas.edu wrote: -----
>To:
>From: Thomas Widlar
>Sent by: maxima-bounces at math.utexas.edu
>Date: 12/23/2006 09:23AM
>cc: maxima list
>Subject: Re: [Maxima] VECT
>That seems to be odd behavior. I had expected
>grad, div, curl, laplacian,
>
>
>
>being differential operators, to behave like
>diff and integrate and perform the operation
>(act like a verb) and have a single
>quote make it act asa noun,.
>
>that is,
> ' grad(x^2 + y^2 + z^2) => grad(x^2 + y^2 +z^2)
>
> grad(x^2 + y^2 + z^2) => [2*x, 2*y, 2*z]
>Am I thinking about this wrong?
No, I don't think so--I agree that the "extra" diff that
div, grad, and curl need is an odd behavior. But I haven't
looked at the source all that much. I know that some
on this list have made improvements to vect.mac.
Barton