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Problems with fzero
From: |
Diego Ruiz Moreno |
Subject: |
Problems with fzero |
Date: |
Thu, 31 Oct 2002 14:58:04 -0300 |
User-agent: |
Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0 |
Hello all,
I have a BIG problem with fzero
I have a "strange" function that is y = x-1.09-2.7217*log(1+(x/2.7217));
When I ask to fzero with a positive initial numbre, let X0= 5, the
answer is correct, it is 3.2106, but if I give an negative initial point
(-1) the answer is -1.7701 That is not correct, and more if I call it
with -5 tyhe answer is -3.2701, and finally if I call it with -51the
aswer is correct.
Could somebody explain to me this behavior ??
Thanks.
Diego
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- Problems with fzero,
Diego Ruiz Moreno <=