Representing an area on a different axis.

I have an area bounded by a data set in the (-) plane as shown below. Is it mathematically possible to represent this area (blue color) in (-) plane?

clear; clc;


data = [1.0000    0.9000    0.8000    0.7000    0.6000    0.5000    0.4000    0.3000    0.2000    0.1000         0   -0.1000   -0.2000 -0.3000   -0.4000   -0.5000   -0.6000   -0.6000   -0.6000   -0.6000   -0.6000   -0.5000   -0.4000   -0.3000   -0.2000   -0.1000       0    0.1000    0.2000    0.3000    0.4000    0.5000    0.6000    0.7000    0.8000    0.9000    1.0000
   -2.1351   -2.1892   -2.2432   -2.2973   -2.3243   -2.3243   -2.3243   -2.3514   -2.2703   -2.2432   -2.2432   -2.2432   -2.2703         -2.2973   -2.2162   -2.1081   -2.0000   -1.0541    0.0270    1.1081    1.3243    2.6486    4.0270    5.2703    6.5676    7.5405      8.2973    9.1081   10.0000   10.0000   10.0000   10.0000   10.0000   10.0000   10.0000   10.0000   10.0000];

x = data(1, :);
y = data(2, :);

figure
fill(x, y, 'b','FaceAlpha',0.5)
xlabel('Q_2/Q_4+1')
ylabel('Q/Q_4+5')
set(gca,'FontName','times','fontsize',14)

Answer 1

[Image Analyst]

To have different data (like area) on a different/additional axis, see yyaxis

help yyaxis

 yyaxis - Create chart with two y-axes
    This MATLAB function activates the side of the current axes associated
    with the left y-axis.

    Syntax
      yyaxis left
      yyaxis right

      yyaxis(ax,___)

    Input Arguments
      ax - Target axes
        current axes (default) | Axes object

    Examples
      openExample('graphics/PlotDataUsingTwoYAxesExample')
      openExample('graphics/AddAxisLabelsExample')
      openExample('graphics/PlotMultipleSetsOfDataOnEachSideExample')
      openExample('graphics/ControlColorsForEachSideExample')
      openExample('graphics/ControlsIndividualPlotColorsForLeftSideExample')
      openExample('graphics/YYaxisSpecificAxesExample')

    See also plot, stem, stairs, bar, hold, cla

    Introduced in MATLAB in R2016a
    Documentation for yyaxis
       doc yyaxis