nounWord forms: plural-trices (-trɪˌsiz) or -trixes
Math
a set of certain rows and columns of a given matrix
Word origin
[sub- + matrix]sub- is a prefix occurring originally in loanwords from Latin (subject; subtract; subvert; subsidy). On this model, sub- is freely attached to elements of any origin and used with the meaning “under,” “below,”“beneath” (subalpine; substratum), “slightly,” “imperfectly,” “nearly” (subcolumnar; subtropical), “secondary,” “subordinate” (subcommittee; subplot)
Examples of 'submatrix' in a sentence
submatrix
We display each bicluster as a contiguous submatrix in the layout.
Mufti Adeel, Grothaus Gregory A, Murali TM 2006, 'Automatic layout and visualization of biclusters', Algorithms for Molecular Biologyhttp://www.almob.org/content/1/1/15. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
To obtain a submatrix structure, rows are divided into groups of equal sizes.
Michael Liebelt, Gabofetswe Malema 2007, 'Quasi-Cyclic LDPC Codes of Column-Weight Two Using a Search Algorithm', EURASIP Journal on Advances in Signal Processinghttp://dx.doi.org/10.1155/2007/45768. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The singular value vector matrix corresponding to the current fault state was constructed according to the location of each submatrix.
Chang Liu, Gang Cheng, Xihui Chen, Yusong Pang 2018, 'Planetary Gears Feature Extraction and Fault Diagnosis Method Based on VMD and CNN',Sensorshttp://www.mdpi.com/1424-8220/18/5/1523. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The maximum singular values of each submatrix are selected as the feature vectors for fault diagnosis.
Nantian Huang, Huaijin Chen, Guowei Cai, Lihua Fang, Yuqiang Wang 2016, 'Mechanical Fault Diagnosis of High Voltage Circuit Breakers Based on Variational ModeDecomposition and Multi-Layer Classifier', Sensorshttp://www.mdpi.com/1424-8220/16/11/1887. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
To determine whether the given reference data sets are sufficiently informative for integration, we use a submatrix imputation approach.
Zhou Xianghong, Waterman Michael S, Li Haifeng, Hu Jianjun 2006, 'Integrative missing value estimation for microarray data', BMC Bioinformaticshttp://www.biomedcentral.com/1471-2105/7/449. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A 10×10 color submatrix, 10×10 emotion submatrix, and 20×20 full color–emotion matrix were processed by multidimensionalscaling.
Andrey A. Kiselnikov, Arkadii A. Sergeev, Dmitriy A. Vinitskiy 2019, 'A Four-Dimensional Spherical Model of Interaction Between Color and Emotional Semantics',Psychology in Russia: State of Arthttp://psychologyinrussia.com/volumes/pdf/2019_1/psych_1_2019_4_Kiselnikov.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The paper deals with the solution of large non-symmetric two-by-two block linear systems with a singular leading submatrix.
Radek Kucera, Tomas Kozubek, Alexandros Markopoulos, Jaroslav Haslinger, Lukas Mocek 2014, 'Projected Krylov Methods for Solving Non-Symmetric Two-by-Two Block Linear SystemsArising from Fictitious Domain Formulations', Advances in Electrical and Electronic Engineeringhttp://advances.utc.sk/index.php/AEEE/article/view/1045. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In contrast to previous works, no unitarity approximation for the $$3 \\times 3$$ 3×3 submatrix has been employed.
Mathias Becker, Heinrich Päs 2018, 'Leptonic flavor structure in the brane shifted extra dimensional seesaw mechanism',European Physical Journal C: Particles and Fieldshttp://link.springer.com/article/10.1140/epjc/s10052-018-5756-6. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)