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b64
base64 decoder to decode the original char from base64 encoded string(base64 decoder)
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zoj1094
zoj094
Matrix multiplication problem is a typical example of dynamical programming.
Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in which multiplications are performed is arbitrary. However, the number of elementary multiplications needed strongly depends on the evaluation order you choose.
For example, let A be a 50*10 matrix, B a 10*20 matrix and C a 20*5 matrix.
There are two different strategies to compute A*B*C, namely (A*B)*C and A*(B*C).
The first one takes 15000 elementary multiplications, but the second one only 3500.
Your job is to write a program that determines the number of elementary multiplications needed for a given evaluation strategy.
(Matrix multiplication problem is a typical example of dynamical programming.
Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in which multiplications are performed is arbitrary. However, the number of elementary multiplications needed strongly depends on the evaluation order you choose.
For example, let A be a 50*10 matrix, B a 10*20 matrix and C a 20*5 matrix.
There are two different strategies to compute A*B*C, namely (A*B)*C and A*(B*C).
The first one takes 15000 elementary multiplications, but the second one only 3500.
Your job is to write a program that determines the number of elementary multiplications needed for a given evaluation strategy.
)
- 2012-06-10 10:38:53下载
- 积分:1
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OpticalF_tracing
optical flow 视频跟踪程序 基于opencv(OpticalFlow video tracing based on opencv )
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VISCOSITY
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cvCarRecog
基于Opencv的汽车牌照定位与字符识别源代码,可以运行
(Vehicle License Plate Location Based on Opencv and character recognition source code, you can run)
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yigejiandandetuxiangchuliruanjian
说明: 一个简单的图像处理软件 一个简单的图像处理软件(a simple image processing software a simp le image processing software)
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shouchi-zhendongyi
手持振动仪,自动通过傅里叶变换,提取峰峰值,来自动调整震动的幅度,(Handheld vibration, automatic Fourier transform, peak extraction, to automatically adjust the amplitude of vibration,)
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led
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lab
DDA、Bresenham画直线及画圆、多边形;
边缘填充算法和种子填充算法。(DDA, Bresenham drawing a straight line and circular, polygonal edge of the filling algorithm and seed fill algorithm.)
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hHHoough111o
hough变换检测直直线的matlab算法
(hough transform to detect straight linear Matlab algorithm)
- 2012-09-08 14:02:38下载
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