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Direct linkBroyles, Chris; Muller, Lars; Tikoo, Mohan; Wang, Haohao – International Journal of Mathematical Education in Science and Technology, 2010
The singularity of a projective conic can be determined via the associated matrix to the implicit equation of the projective conic. In this expository article, we will first derive a known result for determining the singularity of a projective conic via the associated matrix. Then we will introduce the concepts of [mu]-basis of the parametric…
Descriptors: Geometric Concepts, Algebra, Matrices, Equations (Mathematics)
Tikoo, Mohan – International Journal of Mathematical Education in Science and Technology, 2002
Several authors have found many Pythagorean triple preserving matrices in recent years. The purpose of this note is to show that all these matrices, and in particular the results published in Deshpande's 2001 paper are special cases of the earlier results obtained by Palmer, Ahuja and Tikoo.
Descriptors: Correlation, Matrices, Mathematics Education, Validity
