unit matrix
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Fractals ◽  
2020 ◽  
Vol 28 (07) ◽  
pp. 2050130
Author(s):  
SI CHEN ◽  
MIN-WEI TANG

Let [Formula: see text] be the unit matrix and [Formula: see text]. In this paper, we consider the self-similar measure [Formula: see text] on [Formula: see text] generated by the iterated function system [Formula: see text] where [Formula: see text]. We prove that there exists [Formula: see text] such that [Formula: see text] is an orthonormal basis for [Formula: see text] if and only if [Formula: see text] for some integer [Formula: see text].


2017 ◽  
Vol 9 (35) ◽  
pp. 29526-29537 ◽  
Author(s):  
Wuxiao Han ◽  
Haoxuan He ◽  
Linlin Zhang ◽  
Chuanyi Dong ◽  
Hui Zeng ◽  
...  

2013 ◽  
Vol 28 (39) ◽  
pp. 1350184
Author(s):  
RENATA JORA ◽  
JOSEPH SCHECHTER ◽  
M. NAEEM SHAHID

We obtain analytical formulas which connect the neutrino masses and the leptonic mixing matrix with the entries in the mass matrix for the approximation in which the charged lepton mixing matrix is the unit matrix. We also extract the CP violation phase and determine the conditions in which this is present.


2013 ◽  
Vol 763 ◽  
pp. 229-233
Author(s):  
Zhan Feng Zhao

The high power light emitting diodes unit internal structure was elaborated from materials and tooling point of view, the unit matrix frame layout for mass production was presented for copper sheet stamping. The tooling stations were decomposed and optimized for packaging processes. The optical lens body molding cavity layout was proposed for unit matrix transfer molding. The packaging materials and tooling was analyzed from the materials processes and automatic stamping & transfer molding. Design scheme for packaging materials processes can be referenced for high power LED unit devices.


Author(s):  
Ivo Moll ◽  
Kateřina Myšková

The paper derives a parametric definition of the set of third-order orthonormal real matrices.The derivation is done in several partial steps. First a generalized unit matrix is introduced as the simplest case of an orthonormal matrix along with some of its properties and, subsequently, the properties of orthonormal matrices are proved that will be needed.The derivation itself of a parametric definition of third-order orthonormal matrices is based on the numbers of zero entries that are theoretically possible. Therefore, it is first proved that a third-order square matrix with the number of non-zero entries different from nine, eight, five, or three cannot be orthonormal.The number of different ways in which the set of third-order orthonormal matrices can be pa­ra­me­te­ri­zed is greater than one. The concepts of a rotation matrix and a flop-enabling rotation matrix are introduced to motivate the parameterization chosen.Given the product of two rotation matrices and one flop-enabling rotation matrix, it is first proved that it is a third-order orthonormal matrix. In the last part of the paper, it is then proved that such a product already includes, as special cases, all the third-order orthonormal matrices. It is thus a parametric definition of all third-order orthonormal matrices.


2006 ◽  
Vol 14 (1) ◽  
pp. 1-5 ◽  
Author(s):  
Yatsuka Nakamura

Determinant of Some Matrices of Field Elements Here, we present determinants of some square matrices of field elements. First, the determinat of 2 * 2 matrix is shown. Secondly, the determinants of zero matrix and unit matrix are shown, which are equal to 0 in the field and 1 in the field respectively. Thirdly, the determinant of diagonal matrix is shown, which is a product of all diagonal elements of the matrix. At the end, we prove that the determinant of a matrix is the same as the determinant of its transpose.


2005 ◽  
Vol 50 (23) ◽  
pp. 5641-5652 ◽  
Author(s):  
Xuangen Chen ◽  
Ning J Yue ◽  
Weimin Chen ◽  
Cheng B Saw ◽  
Dwight E Heron ◽  
...  

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