Numerical techniques in mathematical programming
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Cites methods from "Numerical techniques in mathematica..."
...One method for updating a triangular factorization is presented by Bennett [7] while the series of papers by Bartels, Gill, Golub, Murray, and Saunders ([5], [20]-[22]) provides a comprehensive study of many different ways to update the standard factorizations after a rank change in the coefficient matrix....
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Cites background or methods from "Numerical techniques in mathematica..."
...When x= [1, 0, 0], then Ax = Bx and hence A = 1....
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...Another problem which arises frequently is that of finding a least squares solution with a quadratic constraint; we have considered this problem previously in [1]....
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...An alternative method has been given in [1] and we shall describe that technique....
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...Finally for xT = [0, 0, 1], Ax = ABx for all values of A....
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References
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