Skip to content

Ehan Ghalib

  • Home
  • About
  • Contact
  • Blog
  • Books

Tag: Linear Algebra

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

Read More
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

The Gamma-Root Eigenvalue Problem

Posted 3 years ago by Ehan Ghalib

Question Let γ be the real root of a polynomial equation of degree 9 with integer coefficients. Construct the matrix     With this information, is it possible to i)

Read More
Mathematics for Data Science, Solution Repository Eigenvalues, Linear Algebra, Mathematics for Data Science, Matrix, MFDS 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

Read More
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

Read More
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

Read More
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 Professor’s QR Decomposition Matrix G

Posted 3 years ago by Ehan Ghalib

A professor teaching linear algebra starts with a square matrix G whose QR decomposition is given by . He then defines matrices which has a QR decomposition of the form

Read More
Mathematics for Data Science, Solution Repository Diagonalization of a Matrix, Eigenvalues, Linear Algebra, Mathematics for Data Science, MFDS, QR Decomposition Leave a comment

The Idempotent Matrix Question

Posted 3 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

Read More
Mathematics for Data Science, Solution Repository Eigenvalues, Idempotent Matrix, Linear Algebra, Mathematics for Data Science, Matrix Problems, MFDS Leave a comment
Built with BoldGridPowered by WordPressSupport from InMotion HostingSpecial Thanks
  • facebook
  • twitter
  • linkedin
  • youtube
  • snapchat

Subscribe to Ehan Ghalib

Sign up to get the latest updates, informed analysis and opinions on what matters to you.

Invalid email address
We promise not to spam you. You can unsubscribe at any time.
Thanks for subscribing!