How we can integrate this matrix from -1 to 1 w.r.t   't'  ?

How 2 solve summation when M,  Z,  X are given with mixed conditions?

How 2 argumented matrices can be written in one matrix 

How i can generate P_r matrix when P_r = -x and x₀=-1 , x₁=-2/3 , x₂=-1/3 , and x₃=0 with the help loop?

How we can get matrix M with the help of loop?