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finding zero points of a function without using the fzero built in function
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hello guys I'm trying to solve a problem in which I'm supposed to find the 'x' points where y is zero.( y is assumed to be zero when abs(y) < 1e-10). function x0 = find_zero(f,x1,x2). 'f' is supposed to be a function handle and the built-in function fzero is not supposed to be used . I've used various plot function but they are gave me wrong answers. i used find(abs(y)<1e-10) but didn't work. any idea on how to tackle this? thanks
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John D'Errico
2016년 6월 13일
So, you NEVER discussed anything about rootfinding in class? About how to solve problems of this sort? Your book has nothing to say on the subject? Nothing in your notes? Nobody even mentioned things as trivial as bisection? Wow! Your teacher must be really mean. They just threw you into the water and expected you to swim!
Somehow, I doubt that. MAKE AN EFFORT! Sit down and think about how to write a code like bisection. Surely you can find a basic algorithm for that? Google is your friend.
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