Algorithms for programmers phần 9 pdf

... ARITHMETICAL ALGORITHMS 182 then iterate as in formulas 11 .97 11 .99 For a = 1 we get: 1 d = ∞  k=0 (2 −E k ) (11.103) (11.104) where E k+1 := E k (2 −E k ). For a = 2 we get a iteration for the inverse ... f  ∂χ a (11.126) . Formula 11.122 with f(x) := 1/x a − d gives the ‘divisionfree’ iteration 11.65 for arbitrary order. For f(x) := log ( x) − d one gets the iteration 11 .9....

Ngày tải lên: 09/08/2014, 12:22

... (11.238) CHAPTER 11. ARITHMETICAL ALGORITHMS 199 #FPM - algorithm name in hfloat 78.424 - pi_agm_sch() 98 .424 - pi_agm() 99 .510 - pi_agm3(fast variant) 108.241 - pi_agm3(slow variant) 1 49. 324 - pi_agm(quartic) 155.265 ... 1 = 4 · arctan(1) (11.366) C = ∞  k=0 −1 k (2 k + 1) 2 = 0 .91 596 5 594 1772 190 . . . (11.367) log(2) = ∞  k=0 −1 k k + 1 = 0. 693 1471805 599 453 . . . (11.368...

Ngày tải lên: 09/08/2014, 12:22

... then attack the target. (continued) 293 Chapter 19: Securing SUSE Linux 26_75 493 5 ch 19. qxp 11/7/05 10:03 PM Page 293 288 Part IV: Becoming a SUSE Wizard 25_75 493 5 ch18.qxp 11/7/05 10:02 PM Page ... marks so that the spaces are included. For example, to search for my name in the password file, I enter the following grep command (grep is used for searching for text in files):...

Ngày tải lên: 23/07/2014, 23:20

... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 5: 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 6: 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 7: 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 8: 8 9 10 11 ... 26 10: 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 27 11: 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 12: 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 13: 13 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 14:...

Ngày tải lên: 09/08/2014, 12:22

... transform of real data, be the complex conjugate of the data in row r. Therefore one can use real FFTs (R2CFTs) for all column-transforms for step 1 and half-complex to real FFTs (C2RFTs) for ... [2] CHAPTER 3. THE HARTLEY TRANSFORM (HT) 62 // normalise: for i:=0 to n-1 { x[i] := x[i] / n } } [source file: fhtcnvla.spr] For odd n replace the line for i:=1 to n/2-1 by for i:=1 to...

Ngày tải lên: 09/08/2014, 12:22

... 17 16 19 18 21 20 23 22 25 24 27 26 29 28 31 30 10: 18 19 16 17 22 23 20 21 26 27 24 25 30 31 28 29 11: 19 18 17 16 23 22 21 20 27 26 25 24 31 30 29 28 12: 20 21 22 23 16 17 18 19 28 29 30 31 ... 15 8 9 10 11 5: 5 4 7 6 1 0 3 2 13 12 15 14 9 8 11 10 6: 6 7 4 5 2 3 0 1 14 15 12 13 10 11 8 9 7: 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 8: 16 17 18 19 20 21 22 23 24 25 26 27 28 29...

Ngày tải lên: 09/08/2014, 12:22

... (A02 098 5) is negative for index x // returns 1 for x = // 3,6,11,12,13,15, 19, 22,24,25,26,30,35,38,43,44,45,47,48, 49, // 50,52,53,55, 59, 60,61,63,67,70,75,76,77, 79, 83,86,88, 89, 90 ,94 , // 96 ,97 ,98 ,100,101,103,104,105,106,110,115,118,120,121,122, // ... 0007 89C1 movl %eax,%ecx 290 00 09 D1F9 sarl $1,%ecx 12:test.cc @ int d = a / 2; 293 000b 89C2 movl %eax,%edx 294 000d C...

Ngày tải lên: 09/08/2014, 12:22

... 0. 099 7416 rel= 1 // set to one revbin_permute(fr,n2); dt= 0. 594 105 rel= 5 .95 644 reverse(fr,n2); dt= 0. 099 7483 rel= 1.00007 gray_permute(fr,n2); dt= 0.1 190 14 rel= 1. 193 23 reverse(fr,n2); dt= 0. 099 7618 ... to arbitrary radices. C++ code for the radix-r permutation of the array f[]: extern ulong nt[]; // nt[] = 9, 90 , 90 0 for r=10, x=3 extern ulong kt[]; // kt[] = 1, 10, 1...

Ngày tải lên: 09/08/2014, 12:22

... q that is greater than the value used for da. Minimalistic demo: Random values: 0: 0 .97 27750243 1: 0. 292 5167845 2: 0.771357 698 2 3: 0.52674 497 95 4: 0.7 699 138366 5: 0.4002286223 Quantization with ... time used for searching with: CHAPTER 9. SORTING AND SEARCHING 141 the fastest method because of its minimal bookkeeping overhead and (2) therefore it is used inside the quicksort f...

Ngày tải lên: 09/08/2014, 12:22