How to input crank nicolson into matlab?
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I am at a loss on how to code these to solve in the Crank Nicolson equation. I have solved the equations, but cannot code it into matlab.
回答（4 个）
Conrad Suen
2016-2-9
0 个投票
This is the code and errors I am getting.
Hi Conrad, If you are trying to solve by crank Nicolson method, this is not the way to do it. You have to solve it by tri-diagonal method as there are minimum 3 unknowns for the next time step. There are many videos on YouTube which can explain this. Hope this helps. If you can post a code after doing this, we can have a look at it. Best,
Bjorn Gustavsson
2016-5-11
0 个投票
Crank-Nicolson is for partial differential equations, this seems to be ordinary differential equations. Perhaps try matlabs ode23 et al.
HTH
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