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Create a vector and transformasi fourier its Fourier transform. Create a random 3-by-5 matrix and compute the 8-point inverse Fourier transform of each row. Transformasi fourier row of the result has length 8. Nearly conjugate symmetric data can arise when computations introduce round-off error.

## Inverse fast Fourier transform - MATLAB ifft

Create a vector Y that is nearly conjugate symmetric and compute its inverse Fourier transform. Then, compute the transformasi fourier transform specifying the 'symmetric' option, which eliminates transformasi fourier nearly 0 imaginary parts.

The second factor in this equation is an envelope function that shapes the continuous sinusoid into a short pulse. Its general form is a Gaussian function.

This function was specially chosen transformasi fourier have a real Fourier transform that can easily be plotted.

The first image contains its graph.

## Discrete Fourier transform - Wikidata

There are two method that we know to solve transformasi fourier differential equation with periodic function there are using Fourier series and lap lace transformation. The use of Fourier series in only on transformasi fourier function that has a finite interval, and lap lace transformation can use transformasi fourier solve partial differential equation with a function that has a finite and semi-infinite interval.

The other problem is come when the function is a no periodic function that has an infinite interval. The solution is we have to use Fourier transformation to solve it. Based on the problem, the writer so interest to examine that problem in this thesis.

The purpose of this writing is describing the application Fourier transformation to solve partial differential equation with no periodic function.