Expand subplot to fill entire figure

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Tobin Fricke
Tobin Fricke on 14 Jun 2011
I often plot Bode plots to plot the magnitude and phase of a complex function:
ax = subplot(2,1,1)
semilogx(f, db(H)); % plot the magnitude
ax(2) = subplot(2,1,2);
semilogx(f, angle(H)*180/pi); % plot the phase
Often I want to just look at the magnitude while ignoring the phase, but it would be nicer if this didn't mean commenting out the subplot commands.
Is there a simple way to temporarily expand one of these subplots to fill the entire figure, as if it were just a subplot(1,1,1)? Something like:
focus(ax(1)); % just look at ax(1)
restore(ax); % return to the view of two subplots
?

Answers (1)

Walter Roberson
Walter Roberson on 14 Jun 2011
oldunits = get(ax(1), 'Units');
oldpos = get(ax(1), 'Position');
set(ax(1), 'Units', 'normal', 'Position', [0 0 1 1]);
Then later
set(ax(1), 'Units', oldunits, 'Position', oldpos);
If you were enthusiastic enough, you could store the old units and position via setappdata()

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