{
  "schemaVersion": 1,
  "lessonId": "optimization-06",
  "contentHash": "29d8442cd8365bb5d24c7021a429284ada0b407c960fc4a572409a98d41782c2",
  "rendererHash": "a1bd5b648f4731ae5d5f0a24811c2540d1a0a132149ce589d17c4113509cbedf",
  "kind": "executed",
  "generatedAt": "2026-10-20T10:45:19.363128+00:00",
  "provenance": "recorded_cpu_computation",
  "environment": {
    "backend": "cpu",
    "deviceCount": 1,
    "jax": "0.9.2",
    "numpy": "2.4.4",
    "matplotlib": "3.10.8"
  },
  "stdout": "weights / rank / MSE: [0.6666669 1.6666665] 2 0.11111113\n",
  "data": {
    "kind": "bar",
    "labels": [
      "row 0",
      "row 1",
      "row 2"
    ],
    "ylabel": "target / prediction",
    "series": [
      {
        "label": "target",
        "y": [
          1.0,
          2.0,
          2.0
        ]
      },
      {
        "label": "least-squares fit",
        "y": [
          0.6666669249534607,
          1.6666665077209473,
          2.3333334922790527
        ]
      }
    ]
  }
}
