Matlab spring equation question
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Can someone please help me with the following question?
The force required to compress a linear spring is given by the equation;
where F is the force in newtons, k is the spring constant in newtons per meter and x is displacement. Write a program which will determine the compression of each spring for a given set of forces F and corresponding spring constants k. Use function round() to round the n-th element in the answer vector only.
For example:
TestResult
F = [20 30 80];
k = [20 10 20];
n_th = 2;
Result =
3
回答（1 个）
The way I understand the problem, you need an array "x" as the result of this program, which will have the same size as the arrays F and k. For that, I would use an element-wise division here:
x = F./k;
For the rounding part, I believe you'd need to use the round() function with a 2nd argument, like so:
x = round(x,n_th);
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2020-10-27
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