- z -

• zero() : QUAT , Ravelin::SACCEL , Ravelin::SFORCE , Ravelin::SMOMENTUM , Ravelin::SVELOCITY , SACCEL , SFORCE , SMOMENTUM , SVELOCITY , VECTORN
• zero_lower_triangle() : MATRIXN , SHAREDMATRIXN
• zero_upper_triangle() : MATRIXN , SHAREDMATRIXN