% dual Plückermatrix from Plücker vector see PCV (5.134) Usage G = calc_Gamma (L) L - 6x1 Plücker Line G - 4x1 dual Gamma Matrix / dual Plückermatrix Wolfgang Förstner wfoerstn@uni-bonn.de See also calc_Gamma, calc_Gamma_reduced, calc_Gammadual_reduced, calc_Pi, calc_Pidual, calc_Dual
0001 %% dual Plückermatrix from Plücker vector 0002 % see PCV (5.134) 0003 % 0004 % Usage 0005 % G = calc_Gamma (L) 0006 % 0007 % L - 6x1 Plücker Line 0008 % G - 4x1 dual Gamma Matrix / dual Plückermatrix 0009 % 0010 % Wolfgang Förstner 0011 % wfoerstn@uni-bonn.de 0012 % 0013 % See also calc_Gamma, calc_Gamma_reduced, calc_Gammadual_reduced, 0014 % calc_Pi, calc_Pidual, calc_Dual 0015 0016 0017 function G = calc_Gammadual (L) 0018 0019 G= ... 0020 [... 0021 0 L(3) -L(2) -L(4); ... 0022 -L(3) 0 L(1) -L(5); ... 0023 L(2) -L(1) 0 -L(6); ... 0024 L(4) L(5) L(6) 0 ... 0025 ]; 0026