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按照Matlab手册上的示例:
Example 1
Compute the indefinite integrals and :
int(1/x/ln(x), x)
复制粘贴后的计算却出现了问题:
>> int(1/x/ln(x), x)
Undefined function or variable 'x'.
>>
请教,这问题是出在哪里?
(ps查看了手册中函数的保存路径,我的电脑里面没有该路径,似乎也没有这个文件;我是win8中文版,不知道这个会不会有影响)


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