idcost: Inverse cosine transform
In PEIP: Geophysical Inverse Theory and Optimization
idcost R Documentation
Inverse cosine transform
Description
Takes the column-by-column inverse discrete cosine transform of Y.
Usage
idcost(Y)
Arguments
Y
Input cosine transform
Value
Time series
Author(s)
Jonathan M. Lees<jonathan.lees@unc.edu>
References
Aster, R.C., C.H. Thurber, and B. Borchers,
Parameter Estimation and Inverse Problems, Elsevier Academic Press, Amsterdam, 2005.
See Also
dcost
Examples
x <- 1:4
### compare fft with cosine transform
fft(x)
zig = dcost(x)
zag = idcost(zig)
PEIP documentation built on Aug. 21, 2023, 9:10 a.m.
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| idcost | R Documentation |
Inverse cosine transform
Description
Takes the column-by-column inverse discrete cosine transform of Y.
Usage
idcost(Y)
Arguments
Y |
Input cosine transform |
Value
Time series
Author(s)
Jonathan M. Lees<jonathan.lees@unc.edu>
References
Aster, R.C., C.H. Thurber, and B. Borchers, Parameter Estimation and Inverse Problems, Elsevier Academic Press, Amsterdam, 2005.
See Also
dcost
Examples
x <- 1:4
### compare fft with cosine transform
fft(x)
zig = dcost(x)
zag = idcost(zig)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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