Question: Solve matrix expression

AoA. How are you? I want to solve the following equation in one step and convenient way please help

 

psi(x):=Matrix(1,3,[x,x-1,x^(2)-x-1])

P := Matrix(3, 3, [1, 2, 1, 0, 1, 1, -1, 2, 3])

U := Matrix(3, 3, [a[1, 1], a[1, 2], a[1, 3], a[2, 1], a[2, 2], a[2, 3], a[3, 1], a[3, 2], a[3, 3]])

u := psi(x)^T*(P^2)^T*U*P^2*psi(t)-t*psi(x)^T*(P^2)^T*U*P^2*psi(1)-x*psi(1)^T*(P^2)^T*U*P^2*psi(t)+t*x*psi(1)^T*(P^2)^T*U*P^2*psi(1)

 

If you reduce my computational work or have any suggestion to solve please give.

With my best regards and sincerely
 
Muhammad Usman

PhD (Scholar)
Department of Mathematics

HITEC University Taxila Cantt Pakistan
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