Matrix multiplication by it's transpose returning zeros matrix?
矩阵乘法，矩阵转置返回零？
This paper introduces the basic idea and algorithm of sparse Matrix multiplication by using incompact storage method.
介绍了对稀疏矩阵进行压缩存储时，稀疏矩阵相乘运算的基本思想和算法。
The paper applies the method of spectral analysis of multiplication by waveband to caculatedensity value in theory and discusses the future of the method of printing color measurement in2000.
采用逐波相乘的光谱分析法，对密度值进行了理论计算。根据目前国际密度计与色度计的生产状况，探讨了2000年图象印刷色彩测量方法的发展趋势。
The global Fourier transform can also be obtained by switching (up to sign) the multiplication by a coordinate of the affine line and the differential operator with respect to this coordinate.
它等同于通过交换(可能差一个正负号)由局部坐标给出的数乘和这个局部坐标相对应的微分算子得到的微分模。
Sometimes, such expressions can be rewritten by replacing the division by a multiplication.
在有些情况下，除法表达式可以用乘法表达是来重写。
The closure rMultiply is a partial application that adapts the binary multiplication to be a unary closure by using a constant second operand.
闭包rMultiply 是个局部应用程序，通过使用一个不变的第二操作数，把二元乘法改变成一元闭包。
To avoid any division by zero or overflow, transform all division into multiplication and check for the sign (horizontal lines with Y2=Y1 do not count in the algorithm)
要避免任何数与0 相除或溢出，将所有除法转换为乘法并检查运算符号（Y2=Y1的水平线不会计入算法）
So the simulation implements a semantics where items get multiplied by a fork and the join does not behave symmetrically, i.e., it does not undo the multiplication.
因此，模拟实现了一个语义，在其中，项目被某个fork增殖成几份，而join不会做出与之对称的行为，也就是说，它不会撤消增殖操作。
The tiny size also means that multiplication noise is suppressed by 50% - 70% with respect to conventional avalanche photodetectors.
这种微小的型号也意味着，与常规的雪崩光电探测器相比倍增的噪声减弱了50%至70%。
n It takes discrete values, multiples of some integer n, and the multiplication factor is the ratio of the Planck constant divided by 2 pi where n takes one, two, three and so on.
这些离散的值乘以整数，乘积因子,是普朗克常数除以2π,其中n可以取1，2，3，等等。
By investigating the elliptic curve cryptosystems, the problems are reduced the fast computations of scalar multiplication of the elliptic curve.
通过对椭圆曲线密码体制的研究，将快速实现椭圆曲线密码的问题归结为标量乘法的实现效率。
This paper presents an algorithm to edge detection by scale multiplication based on Gaussian filter.
论文提出一种基于高斯滤波器的尺度相乘边缘检测算法。
The multiplication and differentiation of the ameloblasts were controlled by many factors.
成釉细胞的增殖和分化受到多种因素的调控。
Solve each problem by addition, skip-counting and multiplication.
用加法、跳跃计数和乘法解答以下各题。
The polynomial multiplication is performed by sub-polynomial multiplications and additions.
多项式乘法由子多项式的乘法和加法实现。
Orthogonal transforms are traditionally realized by "multiplication addition arithmetic" with less robustness.
传统上都采用“乘加算术”实现正交变换，鲁棒性差。
For computer processing of the directed digraph, it is expressed by a matrix, and then the longest directed paths can be obtained through matrices multiplication.
为了便于计算机处理，将有向图用矩阵表示，通过有向图矩阵的乘法运算搜索最长的有向路径。
By use of minimum quadratic multiplication the inflexion depth to temperature curve can determined that can interpret the vertical crack height.
通过逐一确定井温曲线拐点达到确定裂缝高度的目的。利用最小二乘法可以确定井温曲线拐点深度，从而可以解释垂直裂缝高度。
Its basic calculation method is based on the adding integral, multiplication, division and so on, which can be easily completed by computer.
其基本计算方法是基于累加积分、乘、除等运算，这在计算机上极容易完成。
The multiplication of correlation could be implemented just by pseudo random gating sampling (analog) or data reservation control and rejection (digital).
相关处理乘法可简单地用伪随机门控采样(模拟)或伪随机控制数据保留与剔除(数字)方法实现。
It is proved that the speeds of modular multiplication and inversion method are both improved by performing 113 bits and 191 bits methods on TMS320C6201.
在TMS320C 6201上执行113位和191位算法证实确实提高了模乘和模逆两种运算的速度。
How do you solve it by multiplication?
用乘法怎样算？
It has been shown that sensitivity-matrix of arbitrary order can be expressed by transmission matrix and its circular multiplication.
证明了任意阶的灵敏度矩阵都可以由传递矩阵及其循环乘给出。
This algorithm greatly reduces times of addition operation which takes time for scalar multiplication algorithm by introducing signed and unsigned sliding window coding methods.
此算法通过引入有符号和无符号滑动窗口编码方法，大大减少了标量乘算法中费时的加法运算次数。
Conclusion Prestorage leucocyte filtration can effectively reduce and diminish bacterial multiplication, so it have some significance to prevent transfusion reaction caused by bacterial pollution.
结论保存前过滤白细胞能有效地减少或消除细菌的增殖，对预防细菌污染所致的输血反应有一定意义。
You might recall from grade school sometimes you put things in parentheses so that your addition happens first, then your multiplication, otherwise multiplication would happen by default first.
你们可能会想起小学时，将一些加法表达式，放在圆括号里，这样加法可以先计算，然后是乘法，否则，乘法默认先发生。
You might recall from grade school sometimes you put things in parentheses so that your addition happens first, then your multiplication, otherwise multiplication would happen by default first.
你们可能会想起小学时，将一些加法表达式，放在圆括号里，这样加法可以先计算，然后是乘法，否则，乘法默认先发生。
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