A linear combination of vectors \(\Vect{s}_1,\dots ,\Vect{s}_r\) in \(\RNrSpc{n}\) is a vector \(\Vect{x}\) of the form
\[\Vect{x} = t_1\Vect{s}_1 + \cdots + t_r\Vect{s}_r\]where \(t_1,\dots ,t_r\) are numbers in \(\RNr\).
A linear combination of vectors \(\Vect{s}_1,\dots ,\Vect{s}_r\) in \(\RNrSpc{n}\) is a vector \(\Vect{x}\) of the form
\[\Vect{x} = t_1\Vect{s}_1 + \cdots + t_r\Vect{s}_r\]where \(t_1,\dots ,t_r\) are numbers in \(\RNr\).