Working through spivak's calculus

[Ray Vickson]

and does that that mean that the formula for max(x,y,z) =

x + (y+z + ly -zl)/2 ?

See for yourself: try (x,y,z) = (1,2,2).

Anyway, max(x,y,z) = max(x,max(y,z)) = (1/2)*[x + max(y,z) + |max(y,z) - x|]. Now substitute the expression for max(y,z).


RGV