solving integral equations by integral

2018 6 1
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更新时间：2021 2 14
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what is the problem here..?
syms x;
a=1.5;
b=0.5;
fun=@(x) (x-b).^2*exp.^(-x);
value=integral(fun,0,a)
IT says Error: integral (line 88) Q = integralCalc(fun,a,b,opstruct);
Error: c (line 7) value=integral(fun,0,a)
Thanks for the advice in advance

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Ameer Hamza
Ameer Hamza 2018-6-1

0 个投票

When using integral(), you don't need to use sym. Also exp is defined as a function in MATLAB, not a constant. Compare your code with the following code to find the mistakes
a=1.5;
b=0.5;
fun = @(x) (x-b).^2.*exp(-x);
value=integral(fun,0,a)

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