mathjs/lib/expression/docs/function/algebra/usolve.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser and offers an integrated solution to work with numbers, big numbers, complex numbers, units, and matrices.

module.exports = {
  'name': 'usolve',
  'category': 'Algebra',
  'syntax': [
    'x=usolve(U, b)'
  ],
  'description':
  'Solves the linear system U * x = b where U is an [n x n] upper triangular matrix and b is a [n] column vector.',
  'examples': [
    'x=usolve(sparse([1, 1, 1, 1; 0, 1, 1, 1; 0, 0, 1, 1; 0, 0, 0, 1]), [1; 2; 3; 4])',
  ],
  'seealso': [
    'lup', 'lusolve', 'lsolve', 'matrix', 'sparse'
  ]
};