Sum of constants

By Kardi Teknomo, PhD.

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Is there any trick on the Sum of constants?

Yes, there are several tricks. Similar to constant multiplication, because constant do not have index, you can put the constant out of the summation ‘sigma' symbol. Consequently, if you have only summation of a constant, the constant goes out, but one still remain. The summation of one is equal to the total index. Thus,

therefore

Example

As consequent, we can also have the following formula

See Also: Kardi Teknomo's Tutorial

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Comments for this tutorial

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Preferable reference for this tutorial is

Teknomo, Kardi. Summation Tutorial. http://people.revoledu.com/kardi/tutorial/basicmath/sum/