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Bessel's Inequality

We check a simple lemma leading up to Bessel’s Inequality.

A photo of a whiteboard titled: 2024-01-31 @ 15:53:37

Suppose that ${e_n}$ is an orthonormal system of vectors, with a Hermititan inner product $\left\langle x,y \right\rangle$ inner product.


Published: Jan 31, 2024 @ 15:53.
Last Modified: Apr 10, 2024 @ 09:55.

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#office camera #MAT B42 #MAT A22

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