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Old 2017-09-14, 07:09   #3
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"The unspeakable one"
Jun 2006
My evil lair

22·5·17·19 Posts

Originally Posted by jwaltos View Post

Assuming a, b, c and d are known, what is the best method to resolve the remaining variables: x, y, such that the resulting number is a specific integer.
You can replace x and y with any value you like. Simplifying and coalescing all the constants gives this formula:

f(x,y) = a*x^3 + (b+c*y)*x^2 + (d+e*y)*x + f*y^2 + g*y + h

Last fiddled with by retina on 2017-09-14 at 07:10
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