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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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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)

Respuesta aceptada

Setsuna Yuuki.
Setsuna Yuuki. el 2 de Dic. de 2020
Editada: Setsuna Yuuki. el 2 de Dic. de 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)

Más respuestas (1)

David Hill
David Hill el 2 de Dic. de 2020
Iy=h.*b.^3/6;%not a difficult integral, just do it yourself.

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