name ='x'; n=3; val=[45,67,34];
str = name +string(1:n)+'=val(' +string(1:n)+');' /// \sleftarrow{{\normalfont a string vector}}
execstr(str);  /// \sleftarrow{{\normalfont Scilab evaluation of \verb+str+ }}
[x1,x2,x3]   /// \sleftarrow{{\normalfont \verb+x1+, \verb+x2+ and \verb+x3+ are now defined}}