Recent content by gohkgohkgohk

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    Undergrad How to find the points that the function is not analytic?

    For example, f(x)=(x+2)/((x-1)*(x-2)) We know that f(x) is not analytic for x=1 and x=2 (from our eye) , but do there exist a general method to find out these points? Thank you
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    Graduate How to detect redundant equation from a system of nonlinear equation?

    How to detect redundant equation from a system of nonlinear equation? It means how to find out a system of nonlinear equation is "linear independence"? One equation from the system can not be represented by the others in the system of nonlinear equation.