function  multPlot()
    % Definition der Fläche
    z = [ 0 2 3 0; 0 2 3 0 ];
    figure
    
    subplot(2,2,1);
    surf( z );
    view( 0, 90 ) 
    axis square
    
    subplot(2,2,2);
    surf( z );
    view( 90, 0 )
    axis square
   
    subplot(2,2,3);
    surf( z );
    view( 0, 0 )
    axis square
    
    subplot(2,2,4);
    surf( z );
    view( -45, 45 )
    axis square

