π 09
This image represents points (x,y) that satisfy the equation:
© 2013 Kerry Mitchell
π
/4 = tan-1(y1/x1)
+ tan-1(y2/x2)
− tan-1(y3/x3).
The image is made up of hundreds of
Lagrange polynomial curves,
each defined by the points (x1,y1), (x2,y2),
and (x3,y3).
