public void SkewAppend () { var m = Matrix.Identity; m.SkewAppend (10, 15); CheckMatrix (new Matrix (1, 0.267949192431123, 0.176326980708465, 1, 0, 0), m); m = new Matrix (1, 2, 2, 1, 3, 3); m.SkewAppend (10, 15); CheckMatrix (new Matrix (1.35265396141693, 2.26794919243112, 2.17632698070847, 1.53589838486225, 3.52898094212539, 3.80384757729337), m); }