This paper presents a simplex method without using the artificial variables. It is suited to solve general linear programming problem.

本文提出一种不用人工变量，适用于求解一般线性规划问题的单纯形法。

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The algorithm solves the quadric programming problem without adding slack, remaining and artificial variables while its efficiency is very high and it operates very easily.

所运用的线性不等式组的一种旋转算法避免了通常处理二次规划问题所需的松弛变量、剩余变量和人工变量，操作简便、计算效率高。

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Since these variables are characterized as nonlinearities time series data, Artificial Neural networks (ANN) will be employed using back propagation algorithm as learning algorithm.

由于这些变量具有非线性时间序列数据，用人工神经网络(ANN)将使用反向传播算法作为学习算法。

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In a 2007 study at the University of South Carolina at Columbia, 25 experienced swimmers did six timed trials while sticking to an artificial schedule that controlled for variables like sleep, diet and other factors.

WSJ: Your Body's Best Time for Everything