0
votes
1answer
174 views

How to change machineprecision digits

I am trying to compute t0: ...
-2
votes
1answer
191 views

Problem with solving a differential equation [closed]

I need to solve the following differential equation: NDSolve[{R[r, t], R[r, 0] == r/1000}, R, {t, 0, 30}, {r, 1, 30}] Where ...
3
votes
1answer
250 views

Could the PrecisionGoal for NDSolve be a negative number?

The help of Mathematica doesn't say so much about the PrecisionGoal for NDSolve, and I never considered much about it even after ...