Imshow and imagesc don't open new figure in new installation of Matlab

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Ida 2013-6-4

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https://ww2.mathworks.cn/matlabcentral/answers/77917-imshow-and-imagesc-don-t-open-new-figure-in-new-installation-of-matlab

Hi! I just updated my matlab to 2013a and have a little problem with figures. If I call imshow or imagesc (any command that draws something basically) without having a figure open, it does nothing. I.e. a new figure is not opened automatically. I always have to create a figure manually first, then issue the drawing command. If I have a figure open, it redraws that figure without any problem.

I didn't have this issue in my previous installation, so I wonder if I need to make some setting or if this is always the case for 2013a?

Thanks! /Ida