% Plückermatrix from Plücker vector see PCV (5.72) Usage G = calc_Gamma (L) L - 6x1 Plücker Line G - 4x1 Gamma Matrix / Plückermatrix Wolfgang Förstner wfoerstn@uni-bonn.de See also calc_Gammadual, calc_Gamma_reduced, calc_Gammadual_reduced, calc_P, calc_Pidual calc_Dual
0001 %% Plückermatrix from Plücker vector 0002 % see PCV (5.72) 0003 % 0004 % Usage 0005 % G = calc_Gamma (L) 0006 % 0007 % L - 6x1 Plücker Line 0008 % G - 4x1 Gamma Matrix / Plückermatrix 0009 % 0010 % Wolfgang Förstner 0011 % wfoerstn@uni-bonn.de 0012 % 0013 % See also calc_Gammadual, calc_Gamma_reduced, calc_Gammadual_reduced, 0014 % calc_P, calc_Pidual calc_Dual 0015 0016 function G = calc_Gamma (L) 0017 0018 G= ... 0019 [... 0020 0 L(6) -L(5) -L(1); ... 0021 -L(6) 0 L(4) -L(2); ... 0022 L(5) -L(4) 0 -L(3); ... 0023 L(1) L(2) L(3) 0 ... 0024 ]; 0025