`matrix.lubksb`

Syntax

- x := matrix.lubksb(v,i,b)
Solves the system A*x = b via back-substitution of a system previously decomposed via

`matrix.ludcmp`

. The matrix v is assumed to be a matrix previously returned from`matrix.ludcmp`

. The list i is assumed to be an index list previously calculated in the same call to`matrix.ludcmp`

. The column matrix b is the right-hand side of the system to the solved.Returns: x - The solution to the system of equations, expressed as a column matrix.

Arguments: v - array, matrix, or tensor pointer corresponding to a square matrix.

i - the index list or array given to

`matrix.ludcmp`

b - the right hand side, as a column matrix, to solve for.

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