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Add Additional Representations to Fourier Coefficients

Source: R/repr.R
add_cplx.Rd

These functions add additional representations to a fftab object without removing or modifying existing representations.

Usage

add_cplx(x)

add_rect(x)

add_polr(x)

Arguments

x

A fftab object containing Fourier coefficients and associated metadata.

Value

A fftab object with the additional representation included.

Details

  • add_cplx(): Adds a complex ("cplx") representation to the Fourier coefficients.

  • add_rect(): Adds a rectangular ("rect") representation to the Fourier coefficients.

  • add_polr(): Adds a polar ("polr") representation to the Fourier coefficients.

These functions are useful for working with multiple representations simultaneously without overwriting existing data.

See also

Examples

matrix(1:9, 3) |>
  fftab() |>
  print(n = 3) |>
  add_polr() |>
  print(n = 3) |>
  add_rect() |>
  print(n = 3) |>
  add_cplx() |>
  print(n = 3)
#> # A tibble: 9 × 3
#>   .dim_1 .dim_2 fx            
#> *  <dbl>  <dbl> <cpl>         
#> 1  0          0 45.0+0.000000i
#> 2  0.333      0 -4.5+2.598076i
#> 3 -0.333      0 -4.5-2.598076i
#> # ℹ 6 more rows
#> # A tibble: 9 × 5
#>   .dim_1 .dim_2 fx               mod   arg
#>    <dbl>  <dbl> <cpl>          <dbl> <dbl>
#> 1  0          0 45.0+0.000000i 45     0   
#> 2  0.333      0 -4.5+2.598076i  5.20  2.62
#> 3 -0.333      0 -4.5-2.598076i  5.20 -2.62
#> # ℹ 6 more rows
#> # A tibble: 9 × 7
#>   .dim_1 .dim_2 fx               mod   arg    re    im
#>    <dbl>  <dbl> <cpl>          <dbl> <dbl> <dbl> <dbl>
#> 1  0          0 45.0+0.000000i 45     0     45    0   
#> 2  0.333      0 -4.5+2.598076i  5.20  2.62  -4.5  2.60
#> 3 -0.333      0 -4.5-2.598076i  5.20 -2.62  -4.5 -2.60
#> # ℹ 6 more rows
#> # A tibble: 9 × 7
#>   .dim_1 .dim_2 fx               mod   arg    re    im
#>    <dbl>  <dbl> <cpl>          <dbl> <dbl> <dbl> <dbl>
#> 1  0          0 45.0+0.000000i 45     0     45    0   
#> 2  0.333      0 -4.5+2.598076i  5.20  2.62  -4.5  2.60
#> 3 -0.333      0 -4.5-2.598076i  5.20 -2.62  -4.5 -2.60
#> # ℹ 6 more rows