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1answer
68 views

NDSolveValue producing message: Input is not an ordinary differential equation

I have an urgent question for my program because I get always an error output for it. I have a partial differential equation that I want to solve with NDSolveValue. ...
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0answers
52 views

Long running time

I gave this data as input: ...
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0answers
22 views

Ignore $MinPrecision when using Print

I have a function that contains a For loop and sometimes takes several hours to run. It's important that I keep a high precision, and I insert ...
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0answers
67 views

Output solutions from large amount of multiple parameters to external files?

I have some code that solves an ugly PDE by using the results of another, and outputs the value of the solution between a range $mic \leq r \leq r_{o}$. It looks something like this ...
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0answers
62 views

Evaluation - separate Output window + not evaluate particular cells

is it possible to avoid that mathematica writes the output into the nb file? I would prefer that mathematica writes the output into a separate file. If it writes into the notebook (I usually use: ...
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0answers
52 views

Display functions without dependence?

I'm solving systems of equations with a few different functions of time, t, and so I'm getting output with lots of [t] running around. Is there a way to display these functions without the ...
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0answers
37 views

No output when a parameter changes

I am very new in Mathematica, but I cannot find out what is happening here, looking on the internet. I modified a previous notebook as follows: ...
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0answers
77 views

DSolve is rejecting my description of a system of PDEs

I am trying to solve a system of partial differential equations using DSlove. But i get the input equations in return. Dsolve is not doing anything ...