I'm trying to take the integral with two variables being arrays and this error keeps popping up. I'm not sure if there is another way, or if im missing something. this is what i have put in the code.
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Danielle Guariglia
on 2 Dec 2020
Answered: David Hill
on 2 Dec 2020
syms x
h = 0.5:0.1:5.0;
b = 0.5:0.1:5.0;
dA = (h./(b.^3))*x^3
Iy = int(dA*x^2,x,0,b)
Error using symengine
Invalid argument.
Error in sym/int (line 167)
rSym = mupadmex('symobj::intdef',f.s,x.s,a.s,b.s,options);
Error in DanielleG_Assignment4_18 (line 16)
Iy = int(dA*x^2,x,0,b)
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Accepted Answer
Setsuna Yuuki.
on 2 Dec 2020
Edited: Setsuna Yuuki.
on 2 Dec 2020
I think the upper limit of integral cannot be a matrix.
if you change
Iy = int(dA*x^2,x,0,b) %b is array
the code works
syms x
h = 0.5:0.1:5.0;
b = 0.5:0.1:5.0;
B = 2; %limit of example
dA = (h./(b.^3))*x^3
Iy = int(dA*x^2,x,0,B)
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