op_fft2: Computes the 2D Fast Fourier Transform along the last two...
In rstudio/keras: R Interface to 'Keras'

op_fft2

R Documentation

Computes the 2D Fast Fourier Transform along the last two axes of input.

Description

Computes the 2D Fast Fourier Transform along the last two axes of input.

Usage

op_fft2(x)

Arguments

`x`	list of the real and imaginary parts of the input tensor. Both tensors provided should be of floating type.

Value

A list containing two tensors - the real and imaginary parts of the output.

Examples

x <- c(op_array(rbind(c(1, 2),
                     c(2, 1))),
       op_array(rbind(c(0, 1),
                     c(1, 0))))
op_fft2(x)

## [[1]]
## tf.Tensor(
## [[ 6.  0.]
##  [ 0. -2.]], shape=(2, 2), dtype=float64)
##
## [[2]]
## tf.Tensor(
## [[ 2.  0.]
##  [ 0. -2.]], shape=(2, 2), dtype=float64)

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