How to plot with pcolor one 2D function with two x axis ?

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Ole
Ole 2016-2-7
评论： Ole 2016-2-7
I would like to plot one function with two x axis. One on the bottom one on the top. The top is just different vector. How to add the second x axis on the top ?
X = rand(100,100);
x = linspace(1,100,100);
x2 = linspace(0.1,1,100);
y = linspace(100,200,100);
pcolor(x,y,X);

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Walter Roberson
Walter Roberson 2016-2-7
X = rand(100,100);
x = linspace(1,100,100);
x2 = linspace(0.1,1,100);
y = linspace(100,200,100);
ax1 = axes();
pcolor(ax1, x,y,X);
ax2 = axes( 'Position', get(ax1, 'Position'), 'XAxisLocation', 'top', 'Xlim', [x2(1), x2(end)], 'YLim', get(ax1, 'YLim'), 'YTickLabel', []);
uistack(ax2, 'bottom')

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