Function usolve
Solves the linear equation system by backward substitution. Matrix must be an upper triangular matrix.
U * x = b
Syntax
usolve(U, b);
Parameters
Parameter | Type | Description |
---|---|---|
U |
Matrix, Array | A N x N matrix or array (U) |
b |
Matrix, Array | A column vector with the b values |
Returns
Type | Description |
---|---|
DenseMatrix | Array | A column vector with the linear system solution (x) |
Examples
var a = [[-2, 3], [2, 1]];
var b = [11, 9];
var x = usolve(a, b); // [[8], [9]]