Matrix Function to Finite Element Method

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Rafael Zanetti
Rafael Zanetti 2020-4-17
评论： Ameer Hamza 2020-4-18
Hi, I'm trying to create a function with matrix, but a heve not got, the results shall be k1 = [100 -100; -100 100], and my function have been that:
function y = SpringElementStiffness(k)
y = [k -k; -k k];
end
k1=SpringElementStiffness(100)
I Thank you by your attention.

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Ameer Hamza
Ameer Hamza 2020-4-17
Create a file named SpringElementStiffness.m:
function y = SpringElementStiffness(k)
y = [k -k; -k k];
end
and then in the command window, run
>> k1=SpringElementStiffness(100)
k1 =
100 -100
-100 100

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