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Calculating inverse of non square matrix

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I have four 1*2000 matrix like u1, u2, u3, u4 whose each dimensions is 1*2000, i want to find their inverse independently, when i use pinv() code it will find inverse but is that a correct code to find the inverse of non square matrix?

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Accepted Answer

Walter Roberson
Walter Roberson on 25 Nov 2020
u1i = u1.'./ sqrt(sum(u1.^2))
could be said to be the inverse, in that u1 * u1i = 1 if I have worked things correctly and u1 is not all zero.

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