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Problem with for-while loop, simple coding error?
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Hi! I Have an assignment at school in which i am supposed to calculate the diameter of a shaft in order to not exceed the stress limit.
Basically i have devided the shaft in to 1000 segments and calculated bending moment, torsion and so on in each segment, so i have vectors describing those things.
Now I want to itterate over each segment to find a diameter that is big enough so it doesn't exceed the stress limit.
for i=1:1000
while ("my stess equation including the diameter, bending moment and so on") > stress limit
D(i)=D(i)+0.0001
end
end
The problem is that the D I get out of the loop is the same as the one I put in (the while loop is fulfilled without increasing the diameter). But when i calculate it without the loop i get values that are in fact larger than the stress limit. Therefore i guess there must be something wrong with my loop, but im not very good at matlab so... Any help is much apreciated!
4 commentaires
Adam
le 13 Nov 2018
The loop you have given certainly changes the D values and terminates after having updated it numerous times.
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