对图像进行倍数运算时，Mathematica要求图像必须为Image格式。 1、 利用ArrayPlot生成图像fig。 2、 直接对fig进行倍数运算不可行，因其属于Graphics类型，需转换处理。 3、 将fig对象转换为Image格式的图像文件。

Mathematica 5 is a major upgrade to a landmark application for engineers, scientists, and other people who work with complex math. It has many new functions, but more important is that most older ...