Fast Fourier Transform and Inverse - Maple Programming Help

Online Help

All Products    Maple    MapleSim


Home : Support : Online Help : Tasks : Transformations : Task/FastFourierTransformAndInverse

Fast Fourier Transform and Inverse

Description

Calculate the Fast Fourier transform (FFT) and inverse Fast Fourier transform (iFFT) of an expression.

Define a 1-D vector.

Vector5,ievalfexpI i3,datatype=complex8

0.944956946300000+0.327194696800000I0.785887260800000+0.618369803100000I0.540302305900000+0.841470984800000I0.235237573600000+0.971937901300000I0.0957235483500000+0.995407957700000I

(1)

Calculate the Fast Fourier transform of the vector.

DiscreteTransformsFourierTransform

1.07808016684065+1.67901037959404I0.04272374441351780.741915464460826I0.2364515418140530.288930752602944I0.3236904421593330.0849440825829593I0.432042072509868+0.168409503974922I

(2)

Calculate the inverse Fast Fourier transform of the result.

DiscreteTransformsInverseFourierTransform,inplace=true

0.944956946300000+0.327194696800000I0.785887260800000+0.618369803100000I0.540302305900000+0.841470984800000I0.235237573600000+0.971937901300000I0.0957235483500000+0.995407957700000I

(3)

Commands Used

DiscreteTransforms[FourierTransform], DiscreteTransforms[InverseFourierTransform], Vector

See Also

DiscreteTransforms, SignalProcessing[FFT]


Download Help Document

Was this information helpful?



Please add your Comment (Optional)
E-mail Address (Optional)
What is ? This question helps us to combat spam