- #1
pivoxa15
- 2,255
- 1
Take int(F*(x-y/2)F(x-y/2))dy over all y. Where F is a complex function
Let A=x-y/2
dA/dy=-1/2 => dy=-2dA
So -2int(F*(A)F(A))dA = int(F*(x-y/2)F(x-y/2))dy
but int(F*(A)F(A))dA >0 so is int(F*(x-y/2)F(x-y/2))dy but from the result it looks as if int(F*(x-y/2)F(x-y/2))dy<0
What is going on?
Let A=x-y/2
dA/dy=-1/2 => dy=-2dA
So -2int(F*(A)F(A))dA = int(F*(x-y/2)F(x-y/2))dy
but int(F*(A)F(A))dA >0 so is int(F*(x-y/2)F(x-y/2))dy but from the result it looks as if int(F*(x-y/2)F(x-y/2))dy<0
What is going on?