On Dec 3, 2009, at 2:16 AM, Harald Schilly wrote:
> Hi, I got this from the "report a problem" feedback form:
>
> Setting algorithm='mathematica_free' in integral() merges lowercase
> and uppercase variables
>
> Consider the following Sage code:
>
> sage: clear_vars()
> sage: var('D F k r w x X z'
Hi, I got this from the "report a problem" feedback form:
Setting algorithm='mathematica_free' in integral() merges lowercase
and uppercase variables
Consider the following Sage code:
sage: clear_vars()
sage: var('D F k r w x X z')
(D, F, k, r, w, x, X, z)
sage: r = sqrt((X-x)^2 + z^2)
sage: F =
