Hello Chris;
Thank you... you understood me :-)
Sometimes I want to remind what is written on the main sage-support...
*Guidelines*: 1. only one question per post | 2. descriptive subject title
| 3. also describe the desired result and the context of the problem.
*Include*: Platform (CPU)
Hello Chris,
Be nice:
1. post a full short example...delta is not defined
2. worksheet in SAGE cloud ? worksheet of your own computer, sagemath local
install ?
Dominique
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Hi Dominique,
Sorry, I didn't intend to not be nice. In putting together the following
example I was able to solve this problem by setting the domain of the
variables to 'real'.
1) Here is a full short example:
var('h','t','px','py','pz','w','R')
P=vector([px,py,pz])
