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Filename : POINTS.IN

 
Output of file : POINTS.IN contained in archive : SYMBOL56.ZIP

remark This is the equation for a line given 2 points.
remark Point 1 is (x1, y1) and point 2 is (x2, y2).
y = ((y2*x1)+(x*(y1-y2))-(y1*x2))/(x1-x2)
remark This is the equation for a quadratic given 3 points.
remark Point 1 is (x1, y1), point 2 is (x2, y2), and point 3 is (x3, y3).
y = ((y2*((x3*x1)+(x^2))*(x3-x1))+(x*(((x1^2)*(y2-y3))+((x3^2)*(y1-y2))))+(y1*((x2*((x^2)-(x3^2)))-((x^2)*x3)))+((x2^2)*((x*(y3-y1))+(x3*y1)))-(y3*((x^2)+(x1*x2))*(x2-x1)))/(x3-x1)/(x2-x1)/(x2-x3)