rent bone index, [size] = nB, parent(j) is the index of parent bone of j, parent(j) = -1 if j has n...">DemBonesExt::parent</a>, <a class="el" href="class_dem_1_1_dem_bones_ext.html#a3785152d056860bc55febcad64837ef3" title="Inverse pre-multiplication matrices, [size] = [4*nS, 4*nB], preMulInv.block(4*s, 4*j,...">DemBonesExt::preMulInv</a>, <a class="el" href="class_dem_1_1_dem_bones_ext.html#a30f4bfbe88493adecae038035e0b33be" title="Rotation order, [size] = [3*nS, nB], rotOrder.col(j).segment&lt;3&gt;(3*s) 