| (%i1) | load(draw); |
a) M = {(1, 2), (0, 2), (1, 1)}, N = {(1, 0)}
| (%i2) | u1:[1,2]; u2:[0,2]; u3:[1,1]; v1:[1,0]; |
| (%i6) |
wxdraw2d( xrange = [-1,3], yrange = [-1,3], head_length = 0.2, head_angle = 10, color = blue,vector([0,0],u1), color = blue,vector([0,0],u2), color = blue,vector([0,0],u3)); |
| (%i7) |
wxdraw2d( xrange = [-1,3], yrange = [-1,3], head_length = 0.2, head_angle = 10, color = blue,vector([0,0],u1), color = blue,vector([0,0],u2), color = blue,vector([0,0],u3), color = red,vector([0,0],v1)); |
b) M = {(1, 1, 1), (2, 1, 3), (0, 2, 4), (1, 0, 1)}, N = {(1, 0, 0), (0, 1, 1)},
| (%i8) | u1:[1,1,1]; u2:[2,1,3]; u3:[0,2,4]; u4:[1,0,1]; v1:[1,0,0]; v2:[0,1,1]; |
| (%i14) |
wxdraw3d(line_width = 4, color = blue,vector([0,0,0],u1), color = blue,vector([0,0,0],u2), color = blue,vector([0,0,0],u3), color = blue,vector([0,0,0],u4) ); |
| (%i15) |
wxdraw3d(line_width = 4, color = blue,vector([0,0,0],u1), color = blue,vector([0,0,0],u2), color = blue,vector([0,0,0],u3), color = blue,vector([0,0,0],u4), color = red,vector([0,0,0],v1), color = red,vector([0,0,0],v2)); |
c) M = {(1, 1, 1), (2, 1, 3), (0, 2, 4), (1, 0, 1)}, N = {(0, 1, 2), (2, 0, 2)}.
| (%i16) | u1:[1,1,1]; u2:[2,1,3]; u3:[0,2,4]; u4:[1,0,1]; v1:[0,1,2]; v2:[2,0,2]; |
| (%i22) |
wxdraw3d(line_width = 4, color = blue,vector([0,0,0],u1), color = blue,vector([0,0,0],u2), color = blue,vector([0,0,0],u3), color = blue,vector([0,0,0],u4) ); |
| (%i23) |
wxdraw3d(line_width = 4, color = blue,vector([0,0,0],u1), color = blue,vector([0,0,0],u2), color = blue,vector([0,0,0],u3), color = blue,vector([0,0,0],u4), color = red,vector([0,0,0],v1), color = red,vector([0,0,0],v2)); |
