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Plotting y = kx

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Behnaz Seyedahmadi
Behnaz Seyedahmadi on 4 Oct 2020
I am trying to reproduce the following graph, which is a plot of some function like: y = kx, with both varying 'k' and 'x'. Can someone help me in this?

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Walter Roberson
Walter Roberson on 5 Oct 2020
Can you do it parametrically, k = K(t), x = X(t), hence y = K(t).*X(t) ?
Behnaz Seyedahmadi
Behnaz Seyedahmadi on 5 Oct 2020
it is simpler than taht, I dont know why I am stuck in it, it is this way:
0<k<1000
0<x<20225
y = k.* x
but I dont know how to match the x and K size?

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Answers (2)

Walter Roberson
Walter Roberson on 5 Oct 2020
N = 150;
kvec = linspace(0, 1000, N);
xvec = linspace(0, 20225, N);
[k, y] = meshgrid(kvec, xvec);
y = k .* x;
nlevels = 50;
contour(k, y, nlevels)

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Sulaymon Eshkabilov
Sulaymon Eshkabilov on 5 Oct 2020
k=1:999;
x =1:2024;
F = k.* x(:);
N = 25;
contour(k, x, F, N), shg
xlabel('k stifness'), ylael(' ...')

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