Help with creating an array from two smaller arrays in a for loop
显示 更早的评论
Hi guys,
I am trying to create a 12x1 array (Fv) from two 1x6 arrays (Mx1 and Mx2). I want the 12x1 array to be populated by the Mx1 values for the first six rows, and the remaing rows to be populated by the Mx2 values. Here is the code I am using:
n = 12;
X1 = linspace(0,L/2,n/2);
X2 = linspace(L/2,L,n/2);
Mx1 = 25.*X1;
Mx2 = 25.*X2 - 50.*(X2-4);
Ft = ones(n,1)
for i = 1:size(Ft,1)
Fv(i) = Ft(i).*Mx1(i)
if i >= 6
Fv(i) = Ft(i).*Mx2(i)
end
end
I am getting the follwing errors
Fv =
0 20 40 60 80 0
Index exceeds the number of array elements. Index must not exceed 6.
Error in beam_deflection_bvp (line 52)
Fv(i) = Ft(i).*Mx1(i)
Can somebody help please?
采纳的回答
L = 8;
n = 12;
X1 = linspace(0,L/2,n/2);
X2 = linspace(L/2,L,n/2);
Mx1 = 25.*X1;
Mx2 = 25.*X2 - 50.*(X2-4);
Fv = [Mx1 Mx2].'
3 个评论
I think the way you were attempting would be something like this:
L = 8;
n = 12;
X1 = linspace(0,L/2,n/2);
X2 = linspace(L/2,L,n/2);
Mx1 = 25.*X1;
Mx2 = 25.*X2 - 50.*(X2-4);
Ft = ones(n,1);
Fv = zeros(n,1);
for i = 1:size(Ft,1)
if i <= 6
Fv(i) = Ft(i).*Mx1(i);
else
Fv(i) = Ft(i).*Mx2(i-6);
end
end
Fv
Scott Banks
2023-8-31
Voss
2023-8-31
You're welcome!
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