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Explore Stack Internal The obvious (if not most efficient) approach is Prepend: Prepend[m\[Transpose], v]\[Transpose] gives mcol while Prepend[m, v] gives mrow.
You could also obtain mrow using {v}~Join~m and mcol using ({v}~Join~m)\[Transpose]. These, though, are slower (for the specific matrices you gave).
Also
Insert[m, v, 1] and
Insert[m\[Transpose], v, 1]\[Transpose] The obvious (if not most efficient) approach is Prepend: Prepend[m\[Transpose], v]\[Transpose] gives mcol while Prepend[m, v] gives mrow.
You could also obtain mrow using {v}~Join~m and mcol using ({v}~Join~m)\[Transpose]. These, though, are slower (for the specific matrices you gave).
The obvious (if not most efficient) approach is Prepend: Prepend[m\[Transpose], v]\[Transpose] gives mcol while Prepend[m, v] gives mrow.
You could also obtain mrow using {v}~Join~m and mcol using ({v}~Join~m)\[Transpose]. These, though, are slower (for the specific matrices you gave).
Also
Insert[m, v, 1] and
Insert[m\[Transpose], v, 1]\[Transpose] The obvious (if not most efficient) approach is Prepend: Prepend[m\[Transpose], v]\[Transpose] gives mcol while Prepend[m, v] gives mrow.
You could also obtain mrow using {v}~Join~m and mcol using ({v}~Join~m)\[Transpose]. These, though, are slower (for the specific matrices you gave).