Testing linSolv with various matrices:

Solving a*x=b for a = Matrix: 
[13, -6, 5, 1, 9, 11, -21]
[0, 2, -1, 15, -1, 7, 6]
[27, -5, 3, 2, 0, -1, -8]
[3, 1, 11, -4, 8, 0, -13]
[5, 7, 9, 10, 13, -29, 6]
[17, -2, 7, 1, 6, -5, 1]
[4, -1, 0, 13, 6, -19, 2]
b = Vector: [3, 1, -4, 9, 13, -11, 5]
Solution: (Vector: [-1361273, 24524143, -5023241, 4646680, -4426356, -4257689, -14542705], 1, 11138030)