MathGroup Archive 1999

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Has anyone written a function/routine to solve an InterpolatingFunction
for the independent variable?

My motivation:

Suppose you have a differential equation that is defined piecewise such
that the magnitude of the first equation determines the next equation. 
If the first equation is solved with NDSolve[], the resulting
InterpolatingFunction must be solved for its independent variable to
find (for instance t_0) for the next equation.

Charles (Randy) Lang  

Office: Van Leer C448 A
Georgia Institute of Technology, Atlanta Georgia, 30332 Email:
gt7144d at

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