D3.js: Creating a Polar Area Diagram (Radial Bar Chart)

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Recently I started a new job at the University of Louisville, and along with that I have had the opportunity to start the data visualization process of huge project at the school right now.  One of the visualizations that were required by the lead of the project was a Radial Bar Chart (Polar Area Diagram). [Read More...]

Karush-Kuhn-Tucker Conditions

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The Karush-Kuhn-Tucker (KKT) conditions, sometimes referred to as the Kuhn-Tucker conditions, are the conditions that a Nonlinear Programming problem need to meet in order to be optimal.  The KKT conditions extends the method of Lagrangian multipliers by allowing for inequality constraints, as opposed [Read More...]

Isoperimetric problem (Dido’s Problem)

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History Dido (or Elissa, depending on the reference) is the legendary founder and first Queen of Carthage. Her accounts are mentioned by the historian Justin and later as a part of Virgil's "Aeneid" poem. In this story, Elissa is said to have escaped Tyre with groups of her brother Pygmalion's attendants [Read More...]