Solving linear equations at each iteration in a for loop.

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LUIS FERNANDO PAZLOPEZ 2020-9-8

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评论： Hiro Yoshino 2020-9-8

could you give an example of a code where I solve a system of linear equations (4x4) at each iteration during a for loop. For example: if there are 1000 iterations, at each step the system must be solved.

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Answer 1

Hiro Yoshino 2020-9-8

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https://ww2.mathworks.cn/matlabcentral/answers/590506-solving-linear-equations-at-each-iteration-in-a-for-loop#answer_491470

what is (are) your problems?

let me know where you got stuck please.

programming?
solution (mathematical expression)

in MATLAB, linear problem is solved by just using "\".

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LUIS FERNANDO PAZLOPEZ 2020-9-8

I am solving a system of coupled differential equations with the runge kutta method. When creating the for loop, at each iteration, I need to solve a system of linear equations (4x4) and take the results to be used in another equation of the loop.

Hiro Yoshino 2020-9-8