calc-matrix-mode
calc-matrix-mode is a variable defined in `calc.el
'.
Its value is nilDocumentation: If `matrix', variables are assumed to be matrix-valued. If a number, variables are assumed to be NxN matrices. If `sqmatrix', variables are assumed to be square matrices of an unspecified size. If `scalar', variables are assumed to be scalar-valued. If nil, symbolic math routines make no assumptions about variables.