Store results from loop.

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Isai Fernandez
Isai Fernandez 2018-4-16
回答： Birdman 2018-4-16
I am practicing to write in Matlab.
I have an issue, I want to store all "S" results from a loop calculation. I tried to do it from other answers, but I can't get it.
This is the code:
As1= = 510; fy=420; h = 650; d = 590; Es = 200000;
fc = 21; As2 = 520; b = 350; beta1 = .85;
c = [0.0001:.1:1]*h;
for c = c
es = (d-c)./c*ecu
fs = min( fy, max( -fy, es.*Es) )
F = fs.*As/1000
Cc = beta1*fc*b*.85*c/1000
S = sum(F)-Cc
S(c,1) %%Trying to store all "S" calculated values in a column matrix
end
elementS = find(S>0,1)
neededc = c(1,elementS)

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回答（1 个）

Birdman
Birdman 2018-4-16

I believe you need to read about for loop and subscripting. Try this:

As1=510; fy=420; h = 650; d = 590; Es = 200000; 
fc = 21; As2 = 520; b = 350; beta1 = .85;ecu=1;%couldn't find ecu, randomly given
c = [0.0001:.1:1]*h;
for i=1:numel(c)
    F = min(fy,max( -fy,((d-c(i))./c(i)*ecu).*Es)).*As1/1000;
    Cc = beta1*fc*b*.85*c(i)/1000;
    S(:,i) = sum(F)-Cc;
end
elementS = find(S>0,1)
neededc = c(1,elementS)

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