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symmetric
symmetric, a. (sɪˈmɛtrɪk) [f. symmetry + -ic, after geometric. Cf. F. symétrique, † symmetrique (1529).] 1. a. = symmetrical.1796 Burney Mem. Metastasio II. 332 The air should be phrased and symmetric. 1816 Tuckey Narr. Exped. R. Zaire iii. (1818) 108 The faces of many of the women were by no means ... Oxford English Dictionary
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symmetric
symmetric/sɪˈmetrɪk; sɪ`mɛtrɪk/, symmetrical/-rIkl; rIkl/ adjs(of a design, etc) having two halves whichare the same in size and shape （指图案等）对称的 The plan of the ground floor is completely symmetrical. 一楼的平面图是完全对称的. the symmetrical arrangement of the gardens, ie one that shows symmetry 花园中对称的布局. Cf 参... 牛津英汉双解词典
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Symmetric group - Wikipedia
The symmetric group on a finite set is the group whose elements are all bijective functions from to and whose group operation is that of function composition. [1] For finite sets, "permutations" and "bijective functions" refer to the same operation, namely rearrangement. The symmetric group of degree is the symmetric group on the set .
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What is reflexive, symmetric, transitive relation?
May 29, 2023For a relation R in set A Reflexive Relation is reflexive If (a, a) ∈ R for every a ∈ A Symmetric Relation is symmetric, If (a, b) ∈ R, then (b, a) ∈ R Transitive Relation is transitive, If (a, b) ∈ R & (b, c) ∈ R, then (a, c) ∈ R If relation is reflexive, symmetric and transitive, it is an equivalence relation .
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Symmetric Relation on a Set - GeeksforGeeks
Jan 2, 2023A relation R on a set A is called symmetric relation if and only if. where R is a subset of (A x A), i.e. the cartesian product of set A with itself. This means if an ordered pair of elements " a " to " b " ( aRb) is present in relation R, then an ordered pair of elements " b " to " a " ( bRa) should also be present in relation R.
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Symmetric difference - Wikipedia
The symmetric difference is the set of elements that are in either set, but not in the intersection. Symbolic statement. A B = ( A ∖ B ) ∪ ( B ∖ A ) {\displaystyle A\,\vartriangle \,B=\left (A\setminus B\right)\cup \left (B\setminus A\right)} In mathematics, the symmetric difference of two sets, also known as the disjunctive union and set ...
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Symmetric relation - Wikipedia
A symmetric relation is a type of binary relation.An example is the relation "is equal to", because if a = b is true then b = a is also true. Formally, a binary relation R over a set X is symmetric if:, (), where the notation aRb means that (a, b) ∈ R.. If R T represents the converse of R, then R is symmetric if and only if R = R T. [citation needed]Symmetry, along with reflexivity and ...
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symmetric representation — Translation in Chinese - TechDico
Many translation examples sorted by field of work of "symmetric representation" - English-Chinese dictionary and smart translation assistant.
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Figure 1 from On algorithms for testing positivity of symmetric ...
Figure 1. Maple 15 implementation of QE4+. - "On algorithms for testing positivity of symmetric polynomial functions"
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std::set_symmetric_difference - C++中文 - API参考文档
计算二个已排序范围的对称差：复制在任一范围中，但不在两个范围中找到的元素，到始于 d_first 的范围 ...
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How to identify if the shapes of an image are symmetric or ... - Blogger
3 I'm working on the extraction of image characteristics, in which I'm trying to identify if a certain image is symmetric or n...
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Spin squeezing and pairwise entanglement for symmetric multiqubit ...
We show that spin squeezing implies pairwise entanglement for arbitrary symmetric multiqubit states. If the squeezing parameter is less than or equal to 1, we demonstrate a quantitative relation between the squeezing parameter and the concurrence for the e
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(PDF) STATE-OF-THE-ART REVIEW OF SYMMETRIC AND ... - ResearchGate
This paper reviews the state of the art of symmetric and asymmetric friction connections in the last 40 years. The frictional connections can be employed to dissipate seismic energy and mitigate ...
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Pole assignment for uncertain symmetric circulant composite systems in ...
Regional pole assignment for a kind of uncertain symmetric circulant composite system by state feedback in a specified disk is discussed. The 'decentralised D stabilisation controllers' have been obtained by making use of the special structure of the system. Thus the problem of assigning the poles in a specified disk for such an uncertain system with N.n dimensions can be transformed into the ...
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FDTD （二）仿真区域的设置2（边界条件PML、Metal、Periodic、Symmetric、Anti-Symmetric、Bloch ...
FDTD的超表面主要几何相位型（PB型）和共振型两种类型，其中PB型每个cell中的纳米棒的长宽相同，旋转角度不同，共振型长宽不同，旋转角度相同。本博文中以最常见的长方形纳米棒为例，用FDTD演示两种超表面实现的聚焦透镜的功能，包含详细步骤，其他形状，材料的超表面可自行尝试。
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