| Author |
Comment/Response |
FD
|
 12/20/11 06:48am
Hi all,
I'm having trouble solving a problem that feels like it should be fairly simple to achieve in Mathematica.
I have 'x(a,b)' and 'y(a,b)' and want to eliminate 'a' to get 'b(x,y)'. So far I have defined my variables:
x = (1/2)*((1 + a)^2 + 3*(1 - a)^2 +
12*b^2)/(2*(1 + a)^2 + (1 - a)^2 + 4*b^2)
y = (1/7)*(2*(1 + a)^2 + (1 - a)^2 + 4*b^2 +
9*(1 - a^2))/(2*(1 + a)^2 + (1 - a)^2 + 4*b^2)
However, every time I attempt to use "Solve", I get {{{}}} returned!
Any ideas?
FD
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