- #1
rabbed
- 243
- 3
Hi
Can I derive the expression for Z_PDF(z) where:
Z = t(X,Y) = X + Y
By starting with:
Z_PDF(z)*|dz| = X_PDF(x)*|dx| * Y_PDF(y)*|dy|
Z_PDF(z) = X_PDF(x) * Y_PDF(y) * |dx|*|dy|/|dz|
and then substitute the deltas with derivatives and x and y with expressions of z?
Can I derive the expression for Z_PDF(z) where:
Z = t(X,Y) = X + Y
By starting with:
Z_PDF(z)*|dz| = X_PDF(x)*|dx| * Y_PDF(y)*|dy|
Z_PDF(z) = X_PDF(x) * Y_PDF(y) * |dx|*|dy|/|dz|
and then substitute the deltas with derivatives and x and y with expressions of z?
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