Problem 42840. Coefficients and vertex of a parabola given 3 points
Given 3 points, each defined by x and y, compute the coefficients: [a,b,c] of a parabola with equation: y = ax^2 + bx + c passing through those points. Also solve for the location of its vertex: [xv,yv].
Example:
Inputs: D = [0 3]; E = [1 6]; F = [-1 2] Outputs: C = [1 2 3]; V = [-1 2] Hence, the quadratic equation is: y = x^2 +2x + 3, with vertex at (-1,2)
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2 Comments
Peng Liu
on 29 Apr 2016
It would be better to add more test cases to reinforce the test suite.
Roche de Guzman
on 1 May 2016
Thanks I just updated!
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