Re: help: how to find all zero roots of a non-linear equation in a given interval
- From: "andywenj@xxxxxxxxx" <andywenj@xxxxxxxxx>
- Date: 20 Mar 2006 03:46:54 -0800
sorry, i have left an important point: B is a matrix dependent on x and
extra parameter t: B=B(x,t), my problem is, for a series of t, e.g
t=1,2,...1000, I have to find all the zero roots of the eq f(x,t)=0.
Surely for any specific t, we can plot the f(x,t) and see how many
times f(x,t) cross the x-axis, which corresponds to numbers of roots.
.
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