Question: solving high order polynomials (with summation), substituting and simplifying

Hi all,

I am having some problems when solving high order polynomials. When oders are 'high' and systems involve multiple variables, Maple is slow to do so.

See in worksheet for detailed codes.

kappa - gives the vector that i am interested in

sC - a reparameterisation which has 'summation' in it

Aim is to verify that it works (it should!)

I currently ask maple to solve the 'system' in terms of the original variables. It can be done (with a powerful computer and days of waiting), but takes a long time and sometimes, not working.

But is there a better way to substitue them into kappa and simplify? Faster and more efficient?


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