370 FOR J = 2 TO P:A(1,J) = A(1,J)/A(1,1): NEXT J: FOR J = 2 TO N:K = J -1: FOR I = J TO N: FOR L = 1 TO K:A(I,J) = A(I,J) -A(L,J) *A(I,L):A(J,I +1) = A(J,I +1) -A(L,I +1) *A(J,L): NEXT L:A(J,I +1) = A(J,I +1)/A(J,J): NEXT I,J: FOR J = 2 TO N:K = P -J:M = J -1: FOR L = 1 TO M:Q = P -L:A(K,P) = A(K,P) -A(K,Q) *A(Q,P): NEXT L,J