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关于求积分的问题。
错误提示已经告诉你了： Undefined function or variable 'x'. 意思是，变量 x 未定义。 一般批量定义符号变量用 syms 函数, 这样就可以了： syms x int(1/x/log(x), x)
3 years ago | 0
| accepted
