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    "text": "δ is the dirac delta function often used in physics to represent instantaneous change, where as δ(0) = ∞ and δ(x) = 0 everywhere else, such that integrating this function gives us by fiat a discrete unit “bump”, or a function H(x) (known as the heaviside step) that goes from 0 to 1 at x = 0:",
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          "alt": "diagram of the dirac delta function: a flat-line y = 0 everywhere but at x = 0, where we imagine an infinite “impulse” (here represented by an arrow pointing upwards)",
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        {
          "alt": "diagram of the heaviside step function: up to x = 0, y = 0; starting at x = 0, y = 1. so, two flat lines with a discrete jump from one to the other at x = 0",
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    "createdAt": "2025-04-27T14:08:15.819Z"
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