How to modify settings for event detection in MATLAB?

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Sarah Ghosh
Sarah Ghosh le 28 Juin 2013
I am writing a code for event detection. However, I want to increase the region of convergence from zero to about 1e-4.For example, instead of checking for y(1)-10=0, I want to check for y(1)-10<1e-4. How can this be done?
  2 commentaires
Walter Roberson
Walter Roberson le 28 Juin 2013
Are you referring to event detection in the context of one of the ode*() routines?
Sarah Ghosh
Sarah Ghosh le 28 Juin 2013
Yes, it comes with the options parameter of ode*

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Walter Roberson
Walter Roberson le 28 Juin 2013
Return
y(1)-10 >= 1e-4
This will be false (0) when it is within 1e-4. Set the options so the crossing direction does not matter.
  3 commentaires
Walter Roberson
Walter Roberson le 1 Juil 2013
Return
double(y(1)-10 >= 1e-4)
Sarah Ghosh
Sarah Ghosh le 1 Juil 2013
Yes, it worked.... thanks a lot for the help....

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