Solving for 3 unknowns

[salted]

I'm currently trying to solving an equation for three unknowns. ( A, c, and g)

y = A / ( ( x - c )^2 + g^2 )

I have three known points for y and for x but I can't seem to figure out how to solve for A c or g and get an equations that uses y0, y1, y2 and x0, x1, x2. What order should I attempt to do substitutions in, or is there a better way.

Thanks

[HallsofIvy]

I'm currently trying to solving an equation for three unknowns. ( A, c, and g)

y = A / ( ( x - c )^2 + g^2 )

I have three known points for y and for x but I can't seem to figure out how to solve for A c or g and get an equations that uses y0, y1, y2 and x0, x1, x2. What order should I attempt to do substitutions in, or is there a better way.

Thanks
If you multiply both sides by the denominator you will get
y((x-c)^2+ g^2)= A
Multiplying both sides by y gives (x-c)^2+ g^2= Ay, the equation of a circle (in the "cg-plane" with center at (x, 0) and radius Ay.
Putting in your three values for that gives 3 quadratic equations for c, g, and A. How you would solve them depends strongly on the specific numbers involved.

[jamesbode]

Mhmm yeaa thanks fer the solution mate :)
i too was occupied wiv that sorta equations.
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[gameover920]

potiskanje, tako lepo temo dobro delovno mesto

[winddomino]

I'm currently trying to solving an equation for three unknowns. ( A, c, and g)

y = A / ( ( x - c )^2 + g^2 )

I have three known points for y and for x but I can't seem to figure out how to solve for A c or g and get an equations that uses y0, y1, y2 and x0, x1, x2. What order should I attempt to do substitutions in, or is there a better way.

Thanks

thank you for your article!