u4.52.06 Operator MODE_NON_LINE# 1. But 2. Syntax 3. Operands 3.1. Key words MATR_MASS and MATR_RIGI 3.2. Keyword ETAT_INIT 3.3. Keyword CHOC 3.4. Keyword RESOLUTION 3.5. Keyword SOLVEUR 3.6. Keyword INFO