用BP实现函数逼近 Matlab有如下特点： 1.编程效率高 例如：普通的矩阵计算用一般的高级语言，如C,Pascal等，需要十几至几十行语句，用ma...

用BP实现函数逼近 Matlab有如下特点： 1.编程效率高 例如：普通的矩阵计算用一般的高级语言，如C,Pascal等，需要十几至几十行语句，用matlab， 至多几行。 2.用户使用方便； 3.语句简单，内涵丰富； 4.高效方便的矩阵和数值计算； 5.方便的绘图功能，等等。 -BP realize function approximation using Matlab has the following characteristics: 1. Programming efficiency such as: the general matrix calculated using an ordinary high-level languages such as C, Pascal, etc., need more than a dozen to a few line statements, using matlab, up to a few lines. 2. The user easy to use 3. Statement is simple, rich 4. Efficient and convenient matrix and numerical calculation 5. Convenient mapping functionality, and so on.

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