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Ehan Ghalib

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Tag: Matrix Problems

Time Taken to Find Rank of a Matrix Using Determinants

Posted 3 years ago by Ehan Ghalib

Question Let be a given matrix with . If the time taken to compute the determinant of a square matrix of size j is , find upper bound on the

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Mathematics for Data Science, Solution Repository Linear Algebra, Mathematics for Data Science, Matrix Problems, MFDS, Operation Count, Rank of a Matrix, Upper Bound Leave a comment

Prove Eigenvalues < 1 for a Diminishing Matrix

Posted 3 years ago by Ehan Ghalib

Question Prove that if A is a square matrix of size , then as if and only if Solution Norm is a value that indicates the magnitude of a matrix.

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Mathematics for Data Science, Solution Repository Diminishing Matrix, Eigenvalues, Mathematics for Data Science, Matrix Problems, MFDS, Spectral Radius Leave a comment

Find Eigenvalues of Variable Matrix Using Properties

Posted 3 years ago by Ehan Ghalib

Question Given the following matrix     where c and r are arbitrary real numbers and 5.5 < r ≤ 6.5, and the fact that = 3 is one of

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Mathematics for Data Science, Solution Repository Eigenvalues, Linear Algebra, Mathematics for Data Science, Matrix Problems, MFDS Leave a comment

Problem to Preserve Non-Singularity of a Matrix

Posted 3 years ago by Ehan Ghalib

Question Let be a non-singular matrix. If column is replaced by a and that the resulting matrix is called along with , then state the necessary and sufficient condition for

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Mathematics for Data Science, Solution Repository Linear Algebra, Linear Independence, Mathematics for Data Science, Matrix Problems, MFDS, Non-Singular Matrix Leave a comment

Operation Count for Rank of Matrix Using Gauss Elimination

Posted 3 years ago by Ehan Ghalib

Let be a given matrix with . Find upper bound on the number of additions and multiplications required to determine the rank using the elimination procedure. Basic Understanding of Problem

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Mathematics for Data Science, Solution Repository Gauss Elimination, Linear Algebra, Mathematics for Data Science, Matrix Problems, MFDS, Operation Count, Rank of a Matrix Leave a comment

The Idempotent Matrix Question

Posted 4 years ago by Ehan Ghalib

Question Let P be a real square matrix satisfying and . i) Can the matrix P have complex eigenvalues? If so, construct an example, else, justify your answer. ii) What

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Mathematics for Data Science, Solution Repository Eigenvalues, Idempotent Matrix, Linear Algebra, Mathematics for Data Science, Matrix Problems, MFDS Leave a comment

Operation Count for Power of Matrix

Posted 4 years ago by Ehan Ghalib

Let be a given square matrix. Compute the number of multiplications and additions required to evaluate using: a) the naive method, (28 times) b) etc. Solution Number of multiplications required

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Mathematics for Data Science, Solution Repository Divide & Conquer, Mathematics for Data Science, Matrix Problems, MFDS, Naive Method, Operation Count Leave a comment
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