Evaluating Array Values with Different Functions Based On Array Index Value

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Nicholas
Nicholas 2015-9-15
回答： Jae Song 2015-9-15
I am working on a thin column buckling problem. I have a 1x40 matrix of values (SR) that correspond to a key parameter. If this value is less than 10, Pcr (my end goal) is some constant value. If this value is between 10 and 100, Pcr = SR^2. If SR > 100, Pcr = SR^3. I have the following code
if true
i=1
for i=1:1:40
if SR(i)>0 && SR(i)<=10
Pcr=80,000;
elseif SR(i)>=10 && SR(i)<=100
Pcr=SR.^2
elseif SR(i)>=100
Pcr=SR.^3
end
end
end
My desired result is a 1x40 matrix of Pcr with each value as a function of its respective equation.

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采纳的回答

Jae Song
Jae Song 2015-9-15
You can put an index for the Pcr variable ( and SR variable as well). Please try the following code.
for i=1:1:40
if SR(i)>0 && SR(i)<10
Pcr(i)=80000;
elseif SR(i)>=10 && SR(i)<100
Pcr(i)=SR(i).^2;
elseif SR(i)>=100
Pcr(i)=SR(i).^3;
end
end

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