Projection f -> f' homogenious coordinates R[sup]4[/sup] [br]Input f1,f2,f3 -> f[sub]x[/sub], f[sub]y[/sub],f[sub]z[/sub][br][br]Projection matrix is calculated by CAS-Function[br]There is a BUG convert exact symbolic result to a numeric result graphing.[br]If projection collapse open CAS and add/remove numeric conversation function in f[sub]x[/sub],f[sub]y[/sub],f[sub]z[/sub]...