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www.eeworm.com/read/144160/12811150
txt 分冶法乘法.txt
Re:分治法例题1的解答
参考解答
设X和Y都是n位的二进制整数,现在要计算它们的乘积XY。我们可以用小学所学的方法来设计一个计算乘积XY的算法,但是这样做计算步骤太多,显得效率较低。如果将每2个1位数的乘法或加法看作一步运算,那么这种方法要作O(n2)步运算才能求出乘积XY。下面我们用分治法来设计一个更有效的大整数乘积算法。
图6-3 大整数X和Y的分段
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www.eeworm.com/read/243633/12930849
c 矩阵乘法动态规划.c
/*
* File: multi.c
* Description: 矩阵乘法动态规划
* Created: 10:20 2001-12-3
* Author: Justin Hou [mailto:justin_hou@hotmail.com]
*
*/
#include
#define N 7
int midd
www.eeworm.com/read/243560/12934169
c 矩阵乘法动态规划.c
/*
* File: multi.c
* Description: 矩阵乘法动态规划
* Created: 10:20 2001-12-3
* Author: Justin Hou [mailto:justin_hou@hotmail.com]
*
*/
#include
#define N 7
int midd
www.eeworm.com/read/329680/12939218
c 矩阵乘法动态规划.c
/*
* File: multi.c
* Description: 矩阵乘法动态规划
* Created: 10:20 2001-12-3
* Author: Justin Hou [mailto:justin_hou@hotmail.com]
*
*/
#include
#define N 7
int midd
www.eeworm.com/read/318034/13489235
doc 移位乘法器.doc
www.eeworm.com/read/312586/13608660
jpg 乘法1_乘数.jpg
www.eeworm.com/read/312586/13608664
jpg 乘法1_得数.jpg
www.eeworm.com/read/309859/13663539
c 矩阵乘法动态规划.c
/*
* File: multi.c
* Description: 矩阵乘法动态规划
* Created: 10:20 2001-12-3
* Author: Justin Hou [mailto:justin_hou@hotmail.com]
*
*/
#include
#define N 7
int midd
www.eeworm.com/read/308157/13707196
c 矩阵乘法动态规划.c
/*
* File: multi.c
* Description: 矩阵乘法动态规划
* Created: 10:20 2001-12-3
* Author: Justin Hou [mailto:justin_hou@hotmail.com]
*
*/
#include
#define N 7
int midd
www.eeworm.com/read/307265/13724990
txt 3.3.3多字节乘法.txt
BRLN:
MOV A,R7
MOV R2,A
ADD A,R0
MOV R0,A
MOV R3,#0
BRL1:
DEC R0
MOV A,@R0
SWAP A
MOV @R0,A
MOV A,R3
XCHD A,@R0
MOV R3,A