Epsilons

The Camel Principle

What it is, how it works, and why it is essential

May 5 •

Epsilons, no. 7: What is a kernel?

Unraveling the most overloaded term in mathematics

May 31, 2024 •

Epsilons, no. 6: What is that Σ?

The capital Greek sigma, that is, repeated addition

Jul 16, 2023 •

Epsilons, no. 5: The QR decomposition

matrices + the Gram-Schmidt process = magic

May 9, 2023 •

Epsilons, no. 4: The Gram-Schmidt process

Orthogonalizing bases since 1883

Apr 19, 2023 •

Epsilons, no. 3: The LU decomposition

How determinants and matrix inverses are calculated

Mar 27, 2023 •

Epsilons, no. 2: Understanding matrix multiplication

The geometric and algebraic interpretation of matrix products

Mar 13, 2023 •

Epsilons, no. 1: The geometric series

One of my favorite formulas is the closed-form of the geometric series.I am amazed by its ubiquity: whether we are solving basic problems or pushing the…

Mar 8, 2023 •

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