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Learn More about
Wolfram Language
ExternalFunctions
Guides
ExternalFunctions
Symbols
DiscreteCosineTransform
DiscreteSineTransform
FastFourierTransform
InverseDiscreteCosineTransform
InverseDiscreteSineTransform
InverseFastFourierTransform
LoadExternalFunction
ArnoudBuzing`ExternalFunctions`
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Examples
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Basic Examples
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Compute an inverse discrete sine transform:
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:
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{
1
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3
}
;
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=
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:
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6
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:
{
3
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Convert the
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to a
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:
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[
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]
:
=
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[
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O
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[
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=
{
1
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2
4
4
0
2
,
-
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.
1
6
6
6
6
7
,
0
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0
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3
1
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}
Compare to
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:
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3
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/
(
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1
6
6
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8
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4
}
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