Creating 100x1 vector in matlab for TDMA Method

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Mary Fasulo
Mary Fasulo 2020-2-28
评论： Mary Fasulo 2020-2-29
Hi, the code I have so far is attached, the professor wants us to use the TDMA method to solve for 100 unknowns. I was able to use the diag function to create the 100x100 matrix but I am unsure of how to create the 100x1 vectors for the variables X1-X100 and for the repeating values of "2.5,2,1.5,1 etc". Help would be greatly appreciated! Very new to coding and the textbook offfers practically no guidance.

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James Tursa
James Tursa 2020-2-29
编辑：James Tursa 2020-2-29
A = what you have already constructed
d = repmat([2.5;2.0;1.5;1.0],25,1);
Then code up your TDMA.
https://en.wikipedia.org/wiki/Tridiagonal_matrix_algorithm

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