function M = dupRow(v, m)%  M = dupCol(v, m)%%  Duplicates v, a row vector, m times. Returns the%  result as matrix M with m rows, each one a copy of v.%%  Inputs%%    v    a row vector (1-by-n)%    m    a positive integer%%  Output%%    M    a matrix (m-by-n) matrix[r, c] = size(v);if r ~= 1  error('dupRow: input vector must be row')endM = v(ones(1, m), :);