# All Questions

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### How to assign table parameters to use it many times

I'm using two nested Table to generate data which depend on two parameters, let's say it is temperature and pressure, many times in my code. When I change the temp ...
1 vote
140 views

I use ...
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### How to find all the vertices of graph that have the same status as a vertex $v$?

We sometimes say that in a graph $G$ two vertices $a$ and $b$ look the same. In layman's terms, this means that $a$ and $b$ are of same status. Precisely, there exists a auto-isomorphic mapping of $G$...
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### Solve PDE with consraints

I am trying to solve the following problem of the free fall dynamics under gravity of a inextensible horizontal string attached at its end, in a 2D vertical plane. If I'm right, that is the governing ...
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1 vote
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### Change domain of kinetic functions in order to fit with ParametricNDSolve

I'm trying to solve kinetic differential equation depended on time with three parameters: preexponential factor a, reaction order ...
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1 vote
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### How can I realize this matrix product (dot product of matrices of different orders)?

The matrix multiplication of square matrices of different order is often claimed to be impossible. Yet, if the order of one matrix is divisible by the order of the other, a natural multiplication rule ...