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@李东岳 谢谢 看来得一步步挖到底层了
我猜测你这个是源代码没写对,或者拷贝复制的时候丢了代码,undefined reference这种错误只是在编译类后捆绑到求解器的时候函数没定义导致。可能你代码里面有些函数代码块丢失了。
以上只是猜测,因为不清楚你安装的详细过程不能确诊。
@李东岳 问题已解决,直接在.H中添加了一段简单的二分法求解方程的程序,谢谢。