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getting answers of an equation with 3 variables with known values

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Shay Shah
Shay Shah 2021-2-20
回答： Viranch Patel 2021-7-9
I have the following equation,
function EI=GetEI(x)
E(1)=x(1);
E(2)=x(2);
E(3)=x(3);
EI=32*E(1)+E(2)/30+32*E(3);
I have the values of E1, E2 and E3, There are 12^3 (each E has 12 possible values) permutations and answers and I want to get all of the possible answers. I need help to write a code to get my values, can anyone help?
I_am_a_beginner
Thank you!
  1 个评论
John D'Errico
John D'Errico 2021-2-20
Why not try a loop? Actually, try THREE nested loops. TRY SOMETHING. If you are a beginner, this is how you will learn. And if you make and show some effort, then you might get better help.

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回答（1 个）

Viranch Patel
Viranch Patel 2021-7-9
In general you can try like this.
If E1, E2, E3 are arrays of size 12, then
for i = 1:12
for j = 1:12
for k = 1:12
EI=32*E1(i)+E2(j)/30+32*E3(k);
end
end
end
Feel free to checkout the documentation of MATLAB.

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