Expressing a matrix with parameters and letters

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Giacomo Mastroddi
Giacomo Mastroddi il 11 Nov 2019
Risposto: Jesus Narvaez il 3 Lug 2023
hi
in my homework it is asked to solve B*b. The solution should however contain the three variables F1, F2 and F3 that are in b.
How can I write it? They just suggest to use the "sym" command...

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Ajay Pattassery
Ajay Pattassery il 14 Nov 2019
Define the variables F1, F2, and F3 as symbolic variables.
syms F1, F2, F3
B = inv(A);
b = [0 F1 0 F2 0 F3 0 0 0 ]’;
x = B*b;
Refer here for more information

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Jesus Narvaez
Jesus Narvaez il 3 Lug 2023
how to make a matrix that has a size of 20x20 but has parameters from -10 to 10 on both the x and y componets (horizontal and vertical)

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