Methods: Chapters 12 and 13

1. Why all C function index starts at 1 (0 replies)
2. ifft output issues (0 replies)
3. fourier inverse of complex matrix (1 replies)
4. Wavelet types (0 replies)
5. rlft3 and Gaussian filter (0 replies)
6. rlft3.f90 inverse transform (4 replies)
8. program fft (1 replies)
9. convolution using fft without equivalence (1 replies)
10. Input to realft() (1 replies)
11. vector & free_vector: wrong number of parameters? (1 replies)
12. FFT 2D subroutines (2 replies)
13. integrals (0 replies)
14. Two side FFT spectrum problem !! (0 replies)
15. C convlv() function help (1 replies)
16. realft() problem (0 replies)
17. FFT application to wavepacket propagation (0 replies)
18. l'application de la fft (0 replies)
19. psd normalization (1 replies)
20. chercher d'un algorithme (0 replies)
21. Difference between subroutine rlft3(data,speq,nn1,nn2,nn3) and the FFTW (0 replies)
22. realFT and junk-peaks (0 replies)
23. convlv: which ans[] to use? (0 replies)
24. four1 (3 replies)
25. What sign was Fourier born under? (0 replies)
26. using MESA (memcof and evlmem) (3 replies)
27. realft input/output data format (2 replies)
28. psd alternative?? (1 replies)
29. 1D convolution of real data and real response (0 replies)
30. Question about fasper (1 replies)
31. Bandpass IIR in sec 12.9, NR 1st ed. (1 replies)
33. rlft3 output issues (2 replies)
34. Volume Convolution with NR fourn (0 replies)
35. need help implementing rlft3 in my code, please (0 replies)
36. Reason why FOUR1 sometimes produces wrong results found (0 replies)
37. rlft3d() and f3tensor()/matrix() in 2D with C (0 replies)
38. Phase correlation (0 replies)
39. FFT code question. (0 replies)
40. recipe to generate tables (0 replies)
41. inverse transform for rlft3 not working (0 replies)
42. realfft(): Odd result in comparison with Matlab? (0 replies)
43. realft() reverse transform problem. (4 replies)
44. four1() code understanding (0 replies)
45. Power spectrum (2 replies)
46. producing original curve using coefficients (2 replies)
47. Mellin Transformation (0 replies)
48. very nice! (0 replies)
49. To the people who wrote NR books... (2 replies)
50. Phase distribution of FFT(Data) ? (0 replies)
51. very simple main program for fourrow_dp.f90 but not working (0 replies)
52. 2-D Convolution of a real function (0 replies)
53. FFT Sine Transform (sinft) (0 replies)
54. error function (0 replies)
55. 16 point fft implementation (0 replies)
56. interpolation with FFT? (2 replies)
57. four1 routine (0 replies)
58. Wavelet Image Compression -- full code? (0 replies)
59. fourn (0 replies)
60. anybody help out with cepstral coefficients? (0 replies)
61. Problem with program from example book (0 replies)
62. Fast FFT with real input (1 replies)
63. Chirp Z Transform (0 replies)
64. rlft3 - 2D image processing (0 replies)
65. Reeeeeally short FFT routines (1 replies)
66. Search for rlft3.pas, chapter 12.5 (0 replies)
67. Routine PERIOD pg 572 NR Ftn 2nd Ed (0 replies)
68. How to make a working DLL for VB6 (0 replies)
69. Accuracy in 2D FFT (0 replies)
70. NR 13.8 - Lombs Question (0 replies)
71. Four1 problem (1 replies)
72. 2d FFT unwrap routine (0 replies)
73. Fourier transform again (0 replies)
74. Help (0 replies)
75. Can someone please explain the convlv function to me (0 replies)
76. Inverting characteristic functions of probability distributions (0 replies)
77. Did I use Fast Hartley Transfrom correctly? (0 replies)
78. could someone explain the array arrangement in rlft3? (0 replies)
79. D6 D8 (0 replies)
80. Daubechies Wavelets (3 replies)
81. cosine transform (1 replies)
82. Wavelets (0 replies)
83. Another fourn1 problem (2 replies)
84. four1 (0 replies)
85. my common-sense DFT, any comments? (0 replies)
86. Problem with fourn (0 replies)
87. Frequency Calculation (0 replies)
88. How do I normalize correlation results (1 replies)
89. FFT magnitude & phase conventions used (1 replies)
90. bit shift (0 replies)
91. convolution (0 replies)
92. rlft3 and 2-D image? (3 replies)
93. FFT error analysis (0 replies)
94. spctrm function (5 replies)
95. Wavelet on a 2D image (0 replies)
96. Everyone VIEWS, no one ANSWERS ?? (0 replies)
97. help understaning the mesa example code (1 replies)
98. how to write MESA filter ? (0 replies)
99. four1 output (5 replies)
100. Use of cosine transform in audio compression (1 replies)
101. how about DIF (0 replies)
102. Question on using DFT in image processing (1 replies)
103. FFT DIT algorithm (2 replies)
104. smoothing of data (1 replies)
105. performance (speed) of Fast Fourier Transform (FFT) routines (1 replies)