6.5 C06 Fourier Transforms

c06 - Fourier Transforms

c06 Chapter Introduction

Routine Name Mark of Introduction Purpose
c06dcc 23 nag_sum_cheby_series
Sum of a Chebyshev series at a set of points
c06eac 1 nag_fft_real
Single one-dimensional real discrete Fourier transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06ebc 1 nag_fft_hermitian
Single one-dimensional Hermitian discrete Fourier transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06ecc 1 nag_fft_complex
Single one-dimensional complex discrete Fourier transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06ekc 1 nag_convolution_real
Circular convolution or correlation of two real vectors
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06fkc 24 nag_sum_convcorr_real
Circular convolution or correlation of two real vectors, no restrictions on n
c06fpc 1 nag_fft_multiple_real
Multiple one-dimensional real discrete Fourier transforms
c06fqc 1 nag_fft_multiple_hermitian
Multiple one-dimensional Hermitian discrete Fourier transforms
c06frc 1 nag_fft_multiple_complex
Multiple one-dimensional complex discrete Fourier transforms
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06fuc 1 nag_fft_2d_complex
two-dimensional complex discrete Fourier transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06gbc 1 nag_conjugate_hermitian
Complex conjugate of Hermitian sequence
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06gcc 1 nag_conjugate_complex
Complex conjugate of complex sequence
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06gqc 1 nag_multiple_conjugate_hermitian
Complex conjugate of multiple Hermitian sequences
c06gsc 1 nag_multiple_hermitian_to_complex
Convert Hermitian sequences to general complex sequences
c06gzc 1 nag_fft_init_trig
Initialisation function for other c06 functions
c06hac 2 nag_fft_multiple_sine
Discrete sine transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06hbc 2 nag_fft_multiple_cosine
Discrete cosine transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06hcc 2 nag_fft_multiple_qtr_sine
Discrete quarter-wave sine transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06hdc 2 nag_fft_multiple_qtr_cosine
Discrete quarter-wave cosine transform
Note: this function is scheduled for withdrawal at Mark 26, see Advice on Replacement Calls for Withdrawn/Superseded Functions for further information.
c06pac 24 nag_sum_fft_realherm_1d
Single one-dimensional real and Hermitian complex discrete Fourier transform, using complex storage format for Hermitian sequences
c06pcc 24 nag_sum_fft_complex_1d
Single one-dimensional complex discrete Fourier transform, complex data type
c06pfc 7 nag_fft_multid_single
One-dimensional complex discrete Fourier transform of multi-dimensional data (using complex data type)
c06pjc 7 nag_fft_multid_full
Multi-dimensional complex discrete Fourier transform of multi-dimensional data (using complex data type)
c06psc 24 nag_sum_fft_complex_1d_multi
Multiple one-dimensional complex discrete Fourier transforms, complex data type
c06puc 24 nag_sum_fft_complex_2d
TTwo-dimensional complex discrete Fourier transform, complex data type
c06pvc 24 nag_sum_fft_real_2d
Two-dimensional real-to-complex discrete Fourier transform
c06pwc 24 nag_sum_fft_hermitian_2d
Two-dimensional complex-to-real discrete Fourier transform
c06pxc 7 nag_fft_3d
Three-dimensional complex discrete Fourier transform, complex data format
c06pyc 24 nag_sum_fft_real_3d
Three-dimensional real-to-complex discrete Fourier transform
c06pzc 24 nag_sum_fft_hermitian_3d
Three-dimensional complex-to-real discrete Fourier transform
c06rec 24 nag_sum_fft_sine
Multiple discrete sine transforms, simple
c06rfc 24 nag_sum_fft_cosine
Multiple discrete cosine transforms, simple
c06rgc 24 nag_sum_fft_qtrsine
Multiple discrete quarter-wave sine transforms, simple
c06rhc 24 nag_sum_fft_qtrcosine
Multiple discrete quarter-wave cosine transforms, simple