by John on (#6JWFP)
I've written several posts about how determinants come up in geometry. These determinants often look similar, having columns related to coordinates and a column of ones. You can find several examples here along with an explanation for this pattern. If you have three points z1, z2, and z3 in the complex plane, you can find [...]The post Area of quadrilateral as a determinant first appeared on John D. Cook.