This error may occur in the following situations:

• The current matrix is not square, and you have tried to perform an operation that is only possible for a square matrix.  The following methods require a square matrix: Cholesky, Determinant, Eigen, EigenC, Inverse, LU, Solve, SolveGauss, Trace

To solve this problem

Use a square matrix for the operation.

See Also

Cholesky Method | Determinant Method | Eigen Method | EigenC Method | Inverse Method | LU Method | Solve, SolveGauss Method | Trace Method