how take input matrix of same dimension for the scaler multiplication?

function b =check(Q) Qmd2=Q(1); c=[1 2;1 3;1 4]; b=c.*Qmd2; end

[Stephen23]

Duplicate:

https://www.mathworks.com/matlabcentral/answers/329736-how-will-this-code-take-input-in-matrix-form-for-scaler-multiplication