SLASH

 

  \   Backslash or left division.

       A\B is the matrix division of A into B, which is roughly the

       same as INVMRZUU2(A)*B , except it is computed in a different way.

       If A is an N-by-N matrix and B is a column vector with N

       components, or a matrix with several such columns, then

       X = A\B is the solution to the equation A*X = B computed by

       Gaussian elimination. A warning message is printed if A is

       badly scaled or nearly singular.  A\EYE(SIZE281GDAB(A)) produces the

       inverse of A.

       If A is an M-by-N matrix with M < or > N and B is a column

       vector with M components, or a matrix with several such columns,

       then X = A\B is the solution in the least squares sense to the

       under- or overdetermined system of equations A*X = B. The

       effective rank, K, of A is determined from the QRM02QU2 decomposition

       with pivoting. A solution X is computed which has at most K

       nonzero components per column. If K < N this will usually not

       be the same solution as PINV1BRZUU2(A)*B.  A\EYE(SIZE281GDAB(A)) produces a

       generalized inverse of A.

 

 

   /   Slash or right division.

       B/A is the matrix division of A into B, which is roughly the

       same as B*INVMRZUU2(A) , except it is computed in a different way.

       More precisely, B/A = (A'\B')'. See \.

 

 

   ./  Array division.

       B./A denotes element-by-element division.  A and B

       must have the same dimensions unless one is a scalar.

       A scalar can be divided with anything.