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Fix rocket trajectory optimization example #3654

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Fix rocket trajectory optimization example #3654

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9 changes: 5 additions & 4 deletions examples/browser/rocket_trajectory_optimization.html
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Original file line number Diff line number Diff line change
Expand Up @@ -151,8 +151,8 @@ <h1>Rocket trajectory optimization</h1>
label: resultName.slice(7),
data: sim.evaluate(
'concat('
+ `(${resultName}[:,4] - phi0) * r0 / rad / km,` // Surface distance from start (in km)
+ `(${resultName}[:,1] - r0) / km` // Height above surface (in km)
+ `(${resultName}[:,[4]] - phi0) * r0 / rad / km,` // Surface distance from start (in km)
+ `(${resultName}[:,[1]] - r0) / km` // Height above surface (in km)
+ ')'
).toArray().map(([x, y]) => ({ x, y })),
borderColor: i % 2 ? '#999' : '#dc3912',
Expand All @@ -173,7 +173,7 @@ <h1>Rocket trajectory optimization</h1>
}])
createChart([{
label: 'height (in km)',
data: sim.evaluate("concat((result[:, 1] - r0), result[:, 6])")
data: sim.evaluate("concat((result[:, [1]] - r0), result[:, [6]])")
.toArray()
.map(([r, t]) => ({ x: t.toNumber('s'), y: r.toNumber('km') })),
}])
Expand All @@ -185,7 +185,7 @@ <h1>Rocket trajectory optimization</h1>
}])
createChart([{
label: 'acceleration (in m/s^2)',
data: sim.evaluate("concat(diff(result[:, 2]) ./ diff(result[:, 6]), result[:end-1, 6])")
data: sim.evaluate("concat(diff(result[:, [2]]) ./ diff(result[:, [6]]), result[:end-1, [6]])")
.toArray()
.map(([acc, t]) => ({ x: t.toNumber('s'), y: acc.toNumber('m/s^2') })),
}])
Expand All @@ -209,6 +209,7 @@ <h1>Rocket trajectory optimization</h1>
{
data: sim.evaluate("map(0:0.25:360, function(angle) = rotate([r0/km, 0], angle))")
.toArray()
.map(row => row.toArray())
.map(([x, y]) => ({ x, y })),
borderColor: "#999",
fill: true
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