plot6+=parametric_plot3d((s,t*(1-s),1-t*(1-s)-s),(t,0,1),(s,0,1),color='#004D40',opacity=0.8) Evaluate Language: Sage Gap GP HTML Macaulay2 Maxima Octave Python R Singular Messages
plot6+=parametric_plot3d((s,t*(1-s),1-t*(1-s)-s),(t,0,1),(s,0,1),color='#004D40',opacity=0.8)