pdeplot error in the display [Matlab2013b]

Hi,

while ploting the results of the example: nonlinear heat transfer in a thin plate http://www.mathworks.de/de/help/pde/examples/nonlinear-heat-transfer-in-a-thin-plate.html

it is displaying the following:

of course if i save it as a jpg it is correct as in:

but it really annoys me, so I was wondering if anyone could give me a hint on where the bug could be.

Thank you in Advance!

[Bill Greene]

Could you please tell us the computer, operating system, and graphics card, you were using when you saw this problem?

Thanks.

Bill

[Alejandro]

Hi Bill, sorry, I left this problem aside for a while an only now I saw this post.

Computer is a Fujitsu Processor: Intel core i5-3470 3.20 GHz OS: Windows 7 enterprise Graphics card: Intel HD Graphics

I hope this is helpfull for you.

Thank you.

[Alejandro]

I solved this using:

set(gcf, 'renderer', 'zbuffer');