The avatar for @harrystevens
Harry Stevens
News and graphics at @ClimateLab, a project of @PostGraphics.
Published
Math
Edited
Sep 1, 2021
1 fork
1 star
Math
Kaprekar's constantBayes’ TheoremDiscovering Pi With Monte CarloPaper FoldingHyperbolic & Inverse Hyperbolic FunctionsQuadratic Formula
Secant & Tangent Lines on a Power Function
RoundHeron's FormulaCompleting The SquareCircles, Angles and Right TrianglesSin, Cosine, and Tangent of an AngleFactorialZ Score TableBinominal Probability FormulaStatsLog AnimationCircular Segment with Chart of h-k RelationshipVisualizing vector additionFactor FunctionsFunction iteratorApproaching Euler's NumberSine WavePythagorean Triples
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// You can change the exponent
exp = 2
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// If you change this things will break
fn = x => x ** exp
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// https://www.mathsisfun.com/calculus/power-rule.html
df = x => exp * Math.pow(x, exp - 1)
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y1 = fn(x1)
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y2 = fn(x2)
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tanM = df(x1)
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tanB = y1 - tanM * x1
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tanPts = xdomain.map(x => [x, tanM * x + tanB]);
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secM = (y2 - y1) / (x2 - x1)
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secB = y1 - secM * x1
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secPts = xdomain.map(x => [x, secM * x + secB]);
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c = d3.schemeSet2
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line = d3.line()
.x(d => x(d[0]))
.y(d => y(d[1]))
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data = {
const out = [];
for (let i = 0; i < w; i++){
const dx = x.invert(i);
const dy = fn(dx);
out.push([dx, dy])
}
return out;
}
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x = d3.scaleLinear(xdomain, [0, w])
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y = d3.scaleLinear(ydomain, [h, 0])
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xdomain = [-10, 10]
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ydomain = [-100, 100]
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margin = ({left: 8, right: 6, top: 7, bottom: 7})
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size = 400
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w = size - margin.left - margin.right
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h = size - margin.top - margin.bottom
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import { funplot } from "@mbostock/funplot"
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