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阅读：1438回复：1
what is the difference between "index" and "matrix"?Sorry, I cannot write in Chinese due to the computer problem. Now I am studying Erdas Imagine 8.7, there are "index" and "Matrix" under Interpreter, but I don't know what is the difference between? Can someone help explain it? Thank you so much! |
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1楼#
发布于：2004-09-15 19:26
index其实就是加权求和，matrix其实是求两个专题图的重叠区域
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