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Intersection of 2-plots

We are plotting two curves based on a variable no. of acquired (x,y)
points and by using the General Polynomial Fit vi. We now need to find
the point(s) of intersection of these two curves.
We have tried subtracting the Y-arrays of the two functions and
selecting the minimum value in the resultant array which is also less
than say 0.001. However the point of intersection may be beyond the
selected range of x.
We therefore need to solve the two functions for which the y value is
equal. How do we do this especially since the order of the polynomials
will vary (it will be one less than the the number of points acquired)
Are we missing something basic?

Any ideas on printing these plots to a parallel port other than using
the print
panel option

Vinod Mathews
Captronic Systems



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