Credit card issuers first assign the account numbers and then compute steps one through three of the Luhn algorithm to determine the appropriate check digit. In this case, the card number should have ...
The Journal of the Operational Research Society, Vol. 55, No. 12 (Dec., 2004), pp. 1275-1280 (6 pages) The fixed-charge problem is a non-linear programming problem of practical interest in business ...
The author presents a rapidly convergent algorithm to solve the general portfolio problem of maximizing concave utility functions subject to linear constraints. The algorithm is based on an iterative ...
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