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Set fsolve tolerance for root finding

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Peter
Peter on 21 Jul 2021
Commented: Peter on 21 Jul 2021
Dear All:
I'm using fsolve to find the root of a scalar function such that . I'd like to set the tolerance such that fsolve stops if for some c. The 'FunctionTolerance' option only applies to the change in the objective function, i.e. at some iteration i.
Background: I'd like to set a higher tolerance such that fsolve takes less time while still having an accurate solution, where the level accuracy is explicitly given.
Any hints how to achieve this would be very much appreciated!
Thanks,
Peter

Accepted Answer

Torsten
Torsten on 21 Jul 2021
Use OutputFcn to implement your individual stopping criterion.
See
de.mathworks.com/help/optim/ug/output-function.html
for more details.

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