
Re: implicit functions and constant functions
Posted:
Oct 30, 2017 12:25 PM


On Monday, October 30, 2017 at 8:52:24 AM UTC5, Popping mad wrote: > I read this line from a Dartsmouth program and I'm confused by it > > >> in this case, f (x, y) = x2 + y2 and g(x, y) is the constant function > >> 1. > > what is a constant function in this case where there are two independent > variables (x,y)
A function f:D>E is "constant" if for any x and y in D, f(x)=f(y).
It doesn't matter what the domain (or codomain) are; it just means any two inputs give the same output.
 Arturo Magidin

