I'm not sure it's true. If I have a mistake, can you fix it...
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I'm not sure it's true. If I have a mistake, can you fix it
syms x y z;
f0=-4*z*exp(-x^2*y-z^2)*cos(x^2*y)-10*cos(x^2*y)*y*x^2+4*sin(x^2*y)*x^4*y^2+4*cos(x^2*y)*x^4*y^2-sin(x^2*y);
f1=int(f0,z);
f1=int(f1,y);
f1=int(f1,x);f1=simplify(int(f1,x))
f2=int(f0,z);
f2=int(f2,x);
f2=int(f2,x);
f2=int(f2,x);
f2=simplify(int(f2,y))
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Answers (1)
Steven Lord
on 10 Jul 2020
f0=-4*z*exp(-x^2*y-z^2)*cos(x^2*y)-10*cos(x^2*y)*y*x^2+4*sin(x^2*y)*x^4*y^2+4*cos(x^2*y)*x^4*y^2-sin(x^2*y);
This multiplies the exponential term only by the first cosine term. That doesn't match the problem as written. You're missing a set of parentheses.
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