rlx-fdm 0.2.0

Force density method (FDM) for RLX — pin-jointed form-finding ported from jax_fdm.
Documentation 
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{
  "attributes": { "name": "quad" },
  "dna": { "is_support": false },
  "node": {
    "0": { "x": 0.0, "y": 0.0, "z": 0.0, "is_support": true },
    "1": { "x": 1.0, "y": 0.0, "z": 0.0 },
    "2": { "x": 1.0, "y": 1.0, "z": 0.0, "is_support": true },
    "3": { "x": 0.0, "y": 1.0, "z": 0.0 }
  },
  "faces": [[0, 1, 2], [0, 2, 3]],
  "faces_load": [[0.0, 0.0, -5.0], [0.0, 0.0, -5.0]],
  "faces_load_local": false,
  "q": [-1.0, -1.0, -1.0, -1.0, -1.0]
}