Instructional Video11:02
Curated Video

Data Science and Machine Learning (Theory and Projects) A to Z - Mathematical Foundation: Lagrange Multipliers

Higher Ed
In this video, we will cover Lagrange Multipliers.
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This clip is from the chapter "Machine Learning: Feature Engineering and Dimensionality Reduction with Python" of the series "Data Science and Machine Learning (Theory and...
Instructional Video8:29
Professor Dave Explains

Complex, Hermitian, and Unitary Matrices

9th - Higher Ed
Defining complex matrices, hermitian matrices, and unitary matrices.
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Using Orthogonal Change of Basis Matrix Example

9th - 10th Standards
Video defining an orthogonal matrix as a square matrix C whose columns form an orthonormal set. Shows that C will be invertible and that multiplying C transpose by C will result in the identity matrix. The result that C transpose equals...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Orthogonal Matrices Preserve Angles and Lengths

9th - 10th
Video lesson about how orthogonal matrices preserve lengths and angles of vectors when multiplied. Preservation of lengths is shown by manipulating the length of the square of an orthogonal matrix times a vector and preservation of...
Instructional Video
Khan Academy

Khan Academy: Orthonormal Basis: Orthogonal Matrices Preserve Angles and Lengths

9th - 10th Standards
This is a video showing that orthogonal matrices preserve angles and lengths.