Published
Edited
Oct 16, 2020
1 fork
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Hello
// https://bundle.run/nd4js
nd = require(await FileAttachment("nd4js-1.3.0").url())
viewof A = pt(nd.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]]))
A.shape
viewof v = pt(nd.array([[1, 2, -3]]).T)
pt(nd.la.matmul(v.T, A, v))
viewof M = pt(nd.tabulate([1000, 100], (i, j) => Math.random() - 0.5))
SVD = {
const time = performance.now();
const SVD = nd.la.svd_decomp(M);
SVD.time = (performance.now() - time) | 0;
return SVD;
}
pt(SVD[0])
pt(SVD[1])
pt(SVD[2])
viewof E = pt(
nd.tabulate([100, 100], (i, j) =>
Math.min((i + 1) / (j + 1), (j + 1) / (i + 1))
)
)
Ev = {
const time = performance.now();
const Ev = nd.la.eigen(E);
Ev.time = (performance.now() - time) | 0;
return Ev;
}
pt(Ev[0])
pt(Ev[1])
import { pt } from "@fil/pt"
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
