function?p?=?MyHeart（）
%?Initialize?the?volume?data?figure?and?axes:?
[XYZ]?=?meshgrid（linspace（-33101））;?
F?=?-X.^2.*Z.^3-（9/80）.*Y.^2.*Z.^3+（X.^2+（9/4）.*Y.^2+Z.^2-1）.^3;?
hFigure?=?figure;?
sz?=?get（hFigure?‘Position‘）;?
set（hFigure?‘Position‘?[sz（1）-0.15*sz（3）?sz（2）?1.3*sz（3）?sz（4）]）;?
set（hFigure‘color‘‘w‘?‘menu‘‘none‘）?

hAxes?=?axes（‘Parent‘hFigure‘NextPlot‘‘a(chǎn)dd‘...?
????‘DataAspectRatio‘[1?1?1]...?
????‘XLim‘[30?120]‘YLim‘[35?65]‘ZLim‘[30?75]）;?
view（[-39?30]）;?
axis?off

%?hidden?surface?removal
hidden?on

%?Fill?the?inside?of?the?mesh?with?an?isosurface?to
%?block?rendering?of?the?back?side?of?the?heart
p?=?patch（isosurface（F-0.001））;?
set（p‘FaceColor‘‘w‘‘EdgeColor‘‘red‘）;?

%?Create?and?plot?contours?in?the?y-z?plane:?
for?iX?=