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From: Florent GANET on 20 May 2010 04:07
Hello
I'm having some issues with the ode23 function : i'm using a program for optimizing some material parameters with experimental curves. But when the file with the experimental datas is longer than 27 lines, the ouput values become all Not a Number.
I tried with other datas and i have the same issue (but not necessarily at the same line) and it returns me this (sometimes, depending on the line i suppressed to figure out)

Warning: Failure at t=1.900373e+001. Unable to meet integration tolerances
without reducing the step size below the smallest value allowed (5.684342e-014)
at time t.
> In ode23 at 362
In Erreurt at 161
In fminsearch at 265
In Principal at 98

erreurt and principal are two files.m i use.

I don't understand at all ...
someone can help me ?
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