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\(\newcommand{\atantwo}{\text{atan2}} \) \(\newcommand{\R}{\mathbb{R}} \) \(\newcommand{\C}{\mathbb{C}} \) \(\newcommand{\Q}{\mathbb{Q}} \) \(\newcommand{\N}{\mathbb{N}} \) \(\newcommand{\vec}[1]{\boldsymbol{\mathbf{#1}}} \) \(\newcommand{\ver}[1]{\boldsymbol{\mathbf{\hat #1}}} \) \(\newcommand{\tensalg}[1]{\mathcal{T}(#1)} \) Disclaimer: This is a really old post I reposted here because I think it might be interesting. I would definitely approach some things Read more…

\(\newcommand{\atantwo}{\text{atan2}} \) \(\newcommand{\sgn}{\text{sgn  }} \) \(\newcommand{\R}{\mathbb{R}} \) \(\newcommand{\vec}[1]{\boldsymbol{\mathbf{#1}}} \) \(\newcommand{\ver}[1]{\boldsymbol{\mathbf{\hat #1}}} \) \(\newcommand{\tensalg}[1]{\mathcal{T}(#1)} \) Prerequisites: Trying to understand polar coordinates How to build stuff out of vector spaces Welcome back to the humble world of understanding polar coordinates, for the Read more…

\(\newcommand{\atantwo}{\text{atan2}} \) \(\newcommand{\R}{\mathbb{R}} \) \(\newcommand{\vec}[1]{\boldsymbol{\mathbf{#1}}} \) \(\newcommand{\ver}[1]{\boldsymbol{\mathbf{\hat #1}}} \) \(\newcommand{\tensalg}[1]{\mathcal{T}(#1)} \) First post: Trying to understand polar coordinates Welcome to the second installment of this post series! Plot twist: The next posts will have nothing to do with polar coordinates. They Read more…