513.001 Molecular and Solid State Physics

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Wolfram Alpha

Physical
Constants

Periodic System
of Elements

      

Determine the fourier transform of a periodic function

The function f(x,y) has a periodicity of a in the x-direction and b in the y-direction,

a) This function can be expressed as a sum of complex exponentials,

Give the general expressions for the Fourier coefficients

b) calculate Fourier coefficients, cG