Can someone help me please?
> eq1 := 0;
> m2 := 1;
> c2 := -1;
> m3 := 13/45;
> c3 := .99;
> h := 1;
> r := 4;
> k := 3;
> eq2 := m2*x+c2;
> eq3 := m3*x+c3;
> circleequation := (x-h)^2+(eq1-k)^2-r^2;
> A := solve(eq2 = eq1, x);
> eq2 := m2*x+c2;
> eq3 := m3*x+c3;
> B := solve(eq3 = eq2, x);
> x1 := min(solve((x-h)^2+(eq2-k)^2-r^2));
> x2 := min(solve(eq1 = circleequation));
> if x1 < A then lowerbound := x2 else lowerbound := x1 end if;
Error, cannot determine if this expression is true or false: -(1/2)*23^(1/2) < -3/2
> x1 := max(solve((x-h)^2+(eq2-k)^2-r^2));
> x3 := max(solve((x-h)^2+(eq3-k)^2-r^2));
> if x1 > B then upperbound := x3 else upperbound := x1 end if;
Error, cannot determine if this expression is true or false: 0. < -.298437500+(1/2)*23^(1/2)
x1, x1 and x3 are yielding values in surd form. is there any way I could get maple to approximate the values so that they can be used further in the algorithm?
thanks
Nash
