sgvm_ensure_col_vect

SGVM_ENSURE_COL_VECT make sure x is a column vector
   X = SGVM_ENSURE_COL_VECT(X)

0001 function x = sgvm_ensure_col_vect(x)
0002 %SGVM_ENSURE_COL_VECT make sure x is a column vector
0003 %   X = SGVM_ENSURE_COL_VECT(X)
0004 
0005 %   SynGrid
0006 %   Copyright (c) 2018, Power Systems Engineering Research Center (PSERC)
0007 %   by Eran Schweitzer, Arizona State University
0008 %
0009 %   This file is part of SynGrid.
0010 %   Covered by the 3-clause BSD License (see LICENSE file for details).
0011 
0012 m = size(x,1); n = size(x,2);
0013 if (m ~= 1) && (n ~= 1)
0014     error('input x must be a vector! size = (%d,%d)\n', m, n)
0015 elseif n ~= 1
0016     x = x.';
0017 end