How can I save only the values that work?
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I am trying to numerically solve 1 equation for 2 unknowns. I want to find the minimum value of m2 (and it's associated k2 value) that results in X to be less than 0.01. I think I have a for-loop that works, but I have been unable to figure out a way that I can extract the appropriate values of m2 and k2. (The reason I only am looping m2 and not also k2 is because I can always solve for k2 once I have a known working value for m2)
Here is my work so far:
clc; close all; clear;
k1 = 9.6*10^4;
m1 = 53.9305;
F0 = 460;
wstep = 0.0001;
m2 = [0.1:0.1:1000];
%preallocate
X = nan(1,100000);
for i = 1:length(m2)
X =@(w,k2) abs(((k2-m2(i).*w.^2).*F0)./((k1+k2-m1.*w.^2).*(k2-m2(i).*w.^2)-k2.^2));
w = [40+wstep:wstep:50];
k2 = [1:1:100000];
Xsave = X(w,k2);
end
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Accepted Answer
VBBV
on 2 Dec 2020
w = [40+wstep:wstep:50];
k2 = [1:1:100000];
for i = 1:length(m2)
X =@(w,k2) abs(((k2-m2(i).*w.^2).*F0)./((k1+k2-m1.*w.^2).*(k2-m2(i).*w.^2)-k2.^2));
Xsave(i,:) = X(w,k2);
end
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