A vector(adsbygoogle = window.adsbygoogle || []).push({}); A, can be expressed in sigma notation as

[tex]\sum[/tex]Awhere i runs from 1 to 3, i.e._{i}Afor x coordinate,_{1}Afor y coordinate and_{2}Afor z coordinate._{3}

I wonder how to express vectorAin polar form using sigma notation. Could anyone share their knowledge to me?

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# How to express vector in sigma notation

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