0
votes
0answers
37 views

Using indexed variables to make a vector — Iteration limits exceeded [on hold]

I am trying to do an implicit numerical integration scheme for the 1D heat equation. This basically amounts to diagonalizing a matrix equation at every time-step of the simulation. So in order to do ...
2
votes
2answers
99 views

Extracting variables from Hold expression

For example I have some global assignments x=1;y=2;z=3 and an expression Hold[x*y/z]. How can I now extract variables ...