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20-Turquoise
Jan 19, 2015 3:09 PM UTC
Solved

Is there a singularity in this expression ? Need help with an explanation. How to correct this expression ?

Hello Everybody.

Singularity.PNG

Is there a singularity in this expression ? Need help with an explanation.

How to correct this expression ?

Thank you in advance.

Best Regards.

RichardJAnswer
19-Tanzanite
Jan 19, 2015 4:44 PM UTC

If you symbolically evaluate the inner two sums you will see that MuPad gives an expression that contains Gamma(1-j). That means when j=1 you have Gamma(0), which is your singularity.

1 reply

RichardJ19-TanzaniteAnswer
19-Tanzanite
Jan 19, 2015 4:44 PM UTC

If you symbolically evaluate the inner two sums you will see that MuPad gives an expression that contains Gamma(1-j). That means when j=1 you have Gamma(0), which is your singularity.

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