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yezi
science forum beginner

Joined: 18 Jan 2006
Posts: 12

Posted: Thu Jun 22, 2006 6:23 pm    Post subject: How to decompose the formula?

Dear All :

I have one question with the following formula : X is discrete

FQ:= Sum (re(x)*ln(re(x))), I have value

Q1:=Sum(r1(x)*ln(r1(x))) and
Q2:=sum(r2(x)*ln(r2(x))),

also I know

the relation of re(x) , r1(x) and r2(x).

re(x)= convolution of r1(x) and r2(x);

I tried to use definition and decompose the FQ from current space ,
but it cannot work. The ln prohibit that method.

Is there any way I can use Q1and Q2 to express the FQ?

Thanks for any hint.

Bin

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