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Sep 10, 2024
12:15 AM

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Sep 10, 2024
12:15 AM

Summation when j is not equal to i

Hello everyone,

Im trying to construct a matrix in Mathcad Prime 4.0 for a Newton-Raphson power flow solution, but im having trouble defining the elements where a summation with j≠i is needed.

Is there any way to handle this in MathCad?

Thanks in advance

Solved! Go to Solution.

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Sep 10, 2024
04:31 AM

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Sep 10, 2024
04:31 AM

Simple.

Multiply the argument of the summation with (i<>j)

where <> is the unequal sign.

And if course you need nested summations, one over all i, and one over all j.

Success!

Luc

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Sep 10, 2024
04:31 AM

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Sep 10, 2024
04:31 AM

Simple.

Multiply the argument of the summation with (i<>j)

where <> is the unequal sign.

And if course you need nested summations, one over all i, and one over all j.

Success!

Luc

Sep 10, 2024
11:39 AM

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Sep 10, 2024
11:39 AM

This worked perfectly, thanks a lot, I appreciate your help.