Bug 157 - Implemented *= /= * / operations for VectorwiseOp (e.g. mat.colwise())
Bug 157 - Implemented *= /= * / operations for VectorwiseOp (e.g. mat.colwise())

mjbshaw/Eigen,rotorliu/eigen,mjbshaw/Eigen,mjbshaw/Eigen,madlib/eigen_backup,mjbshaw/Eigen,madlib/eigen_backup,madlib/eigen_backup,rotorliu/eigen,rotorliu/eigen,madlib/eigen_backup,rotorliu/eigen