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This 8-minute video lesson looks at the determinant of an upper triangular matrix.

Subject:
Algebra
Mathematics
Material Type:
Lecture
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Author:
Khan, Salman
02/20/2011
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This 9-minute video lesson provides definitions of the vector dot product and vector length.

Subject:
Algebra
Mathematics
Material Type:
Lecture
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Author:
Salman Khan
02/20/2011
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This 19-minute video lesson proves the triangle inequality for vectors in Rn.

Subject:
Algebra
Mathematics
Material Type:
Lecture
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Author:
Salman Khan
02/20/2011
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This video shows that if V is a subspace of Rn, then dim(V) + dim(V's orthogonal complement) = n

Subject:
Algebra
Mathematics
Material Type:
Lecture
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02/20/2011
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This 19-minute video lesson shows how to define the determinant for nxn matrices. And it provides an exampled of a 4x4 determinant.

Subject:
Algebra
Mathematics
Material Type:
Lecture
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Author:
Khan, Salman
02/20/2011
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After being traditionally published for many years, this formidable text by W. Keith Nicholson is now being released as an open educational resource and part of Lyryx with Open Texts! Supporting today’s students and instructors requires much more than a textbook, which is why Dr. Nicholson opted to work with Lyryx Learning.

Overall, the aim of the text is to achieve a balance among computational skills, theory, and applications of linear algebra. It is a relatively advanced introduction to the ideas and techniques of linear algebra targeted for science and engineering students who need to understand not only how to use these methods but also gain insight into why they work.

The contents have enough flexibility to present a traditional introduction to the subject, or to allow for a more applied course. Chapters 1–4 contain a one-semester course for beginners whereas Chapters 5–9 contain a second semester course. The text is primarily about real linear algebra with complex numbers being mentioned when appropriate (reviewed in Appendix A).

Subject:
Algebra
Mathematics
Material Type:
Textbook
Provider:
Lyryx Learning
Author:
W. Keith Nicholson
04/27/2020
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This 14-minute video lesson provides an Introduction to linear transformations.

Subject:
Algebra
Mathematics
Material Type:
Lecture
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Author:
Salman Khan
02/20/2011
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This 15-minute video lesson gives an example involving the preimage of a set under a transformation. It also gives a definition of kernel of a transformation.

Subject:
Algebra
Mathematics
Material Type:
Lecture
Provider:
Provider Set:
Author:
Khan, Salman
02/20/2011
Conditional Remix & Share Permitted
CC BY-NC-SA
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Sal solves a linear system with 3 variables by representing it with an augmented matrix and bringing the matrix to reduced row-echelon form. Gaussian Elimination is the method, reduced row echelon is just the final result.

Subject:
Algebra
Mathematics
Material Type:
Lesson
Provider: