StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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39 lines
889 B
39 lines
889 B
"use strict"
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function dcubicHermite(p0, v0, p1, v1, t, f) {
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var dh00 = 6*t*t-6*t,
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dh10 = 3*t*t-4*t + 1,
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dh01 = -6*t*t+6*t,
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dh11 = 3*t*t-2*t
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if(p0.length) {
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if(!f) {
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f = new Array(p0.length)
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}
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for(var i=p0.length-1; i>=0; --i) {
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f[i] = dh00*p0[i] + dh10*v0[i] + dh01*p1[i] + dh11*v1[i]
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}
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return f
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}
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return dh00*p0 + dh10*v0 + dh01*p1[i] + dh11*v1
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}
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function cubicHermite(p0, v0, p1, v1, t, f) {
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var ti = (t-1), t2 = t*t, ti2 = ti*ti,
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h00 = (1+2*t)*ti2,
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h10 = t*ti2,
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h01 = t2*(3-2*t),
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h11 = t2*ti
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if(p0.length) {
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if(!f) {
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f = new Array(p0.length)
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}
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for(var i=p0.length-1; i>=0; --i) {
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f[i] = h00*p0[i] + h10*v0[i] + h01*p1[i] + h11*v1[i]
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}
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return f
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}
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return h00*p0 + h10*v0 + h01*p1 + h11*v1
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}
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module.exports = cubicHermite
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module.exports.derivative = dcubicHermite |