Sunday, January 19, 2014

A = UL Linear Algebra and Its Applications, 4th Edition, Exercise.1.5.12

The question is :

Could A be factored into the product UL where U is upper triangular and L lower triangular, instead of the product LU? If so, how? Would U and L be the same in both cases?

Answer is Yes it can be. And it will be different from A = L'U'.

I found an extremely well-explained answer in the following blog and it was really helpful!

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