(adsbygoogle = window.adsbygoogle || []).push({}); Differential Equation Problem. HELP!!!

Ok I have the problem with the 2 Dimensions transient heat conduction equation.

[tex]\frac{du}{dt}= k\left(\frac{d^2u}{dx^2}+ \frac{d^2u}{dy}^2\right)[/tex]

. I can solve it in the temporal space but actually I need to know how it beheave in the frequency space...... any suggestions? i tried laplace combine with a separation of variable but i didnt reach to anywhere.....

Thank you in advance

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# Differential Equation Problem. HELP

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