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Orthogonal functions and special polynomials

I show how to use the inner product to orthogonalize monomials and obtain the Hermite polynomials as a result, using Gram-Schmidt orthogonalization.
Details on Gaussian integrals and more on the Feynman trick in a future issue.

Check out the video and the notes.

Posted byjoaquindrutNovember 14, 2022November 15, 2022Posted inLinear algebra

Orthogonal bases

Definition of orthogonal bases. This video goes beyond vector spaces, using the inner product to define orthogonal bases in spaces of common vectors and functions.
Check out the video here and the notes.

Posted byjoaquindrutNovember 14, 2022November 15, 2022Posted inLinear algebra

Inner product

Definition and properties of the inner product.
Check out the video and PDF.

Posted byjoaquindrutNovember 14, 2022November 15, 2022Posted inLinear algebra

Bases and dimension

Definition of bases and dimension; part of the series on vector spaces.
Check out the video and PDF.

Posted byjoaquindrutNovember 14, 2022November 15, 2022Posted inLinear algebra

Linear independence

Definition of linear independence and some examples.
Part of the series on vector spaces.

Check out the video and PDF.

Posted byjoaquindrutNovember 14, 2022November 15, 2022Posted inLinear algebra

Vector spaces: examples

Examples of vector spaces: from 2-component to n-component, real and complex, to function spaces.

Check out the video and PDF.

Posted byjoaquindrutNovember 14, 2022November 15, 2022Posted inLinear algebra

Vector spaces: definition

How are vectors and vector spaces defined? We answer that here!

Check out the video and the PDF.

Posted byjoaquindrutNovember 13, 2022November 15, 2022Posted inLinear algebra

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