Ken Sours buys a watch on eBay, but the company suspends his account immediately after the purchase. Then he receives a magazine instead of the watch. Now he can’t get a refund. What should he do?

Note that the optimal solution to Gonzaga’s problem denoted by (G) is [a, 0] T with an optimal value of the objective function equal to a, a ≥ 10. From the infeasible starting point e = [1, 1] T, the ...

Numerical performance of HPR-LP and cuPDLP.jl on 18 LP relaxations (>10M nonzeros in $A$) from MIPLIB 2017 without Gurobi's presolve. Time limit 18000 seconds. Before ...

1 Faculty of Mathematics and Natural Sciences, Institute of Mathematics Education, University of Cologne, Cologne, Germany 2 Faculty of Education, University of Hamburg, Hamburg, Germany In this ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. In this work, we describe the development of a new algorithm for the computation of ...

The STAR and PARADE methods of answering behavioral interview questions are both popular. They can help when you're asked about a time you faced a challenge or made a mistake at work, for example.

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Abstract: This paper investigates the equivalence between a class of mixed-integer linear and linear programming prob-lems. By utilizing the addition of slack variables theorem, we demonstrate that ...

Euler Method: The simplest numerical method for solving ODEs, which uses the derivative to project forward. [ y_{n+1} = y_n + h \cdot f(x_n, y_n) ] Heun's Method (Improved Euler Method): A two-step ...

When Margaretta McKenna upgrades her computer, her Rosetta Stone CD-ROM stops working. Can she upgrade to the new online version for free? Question: I purchased the Rosetta Stone Italian program many ...