{"id":"W2285340735","doi":"10.1007/978-1-4020-2249-4_35","title":"Singularities and Mobility of a Class of 4-DOF Mechanisms","year":2004,"lang":"en","type":"book-chapter","venue":"","topic":"Robotic Mechanisms and Dynamics","field":"Engineering","cited_by":8,"is_retracted":false,"has_abstract":false,"ca_institutions":"Université Laval","funders":"","keywords":"Gravitational singularity; Parameterized complexity; Jacobian matrix and determinant; Kinematics; Class (philosophy); Operator (biology); Interpretation (philosophy); Computer science; Mathematics; Algebra over a field; Pure mathematics; Mathematical analysis; Applied mathematics; Algorithm; Classical mechanics; Physics; Artificial intelligence; Programming language","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00009173498,0.0002147955,0.0004786767,0.00008350961,0.00001104206,0.000006420059,0.00008437054,0.0003000017,0.0003403999],"category_scores_gemma":[0.000005688677,0.0002070923,0.0000956273,0.00001176072,0.00007232186,0.00002856827,0.00004734769,0.0001439114,0.000001679443],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004074467,"about_ca_system_score_gemma":0.00002920207,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003121798,"about_ca_topic_score_gemma":0.00002123031,"domain_scores_codex":[0.9991963,0.000002363581,0.0003672538,0.0001548971,0.000166431,0.0001127544],"domain_scores_gemma":[0.9995185,0.00002866105,0.00007123472,0.0002781939,0.00005593842,0.00004749935],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.000002834873,0.000007975477,2.144606e-7,0.0006601502,0.00005514007,0.000002184663,0.00004006252,0.01280051,0.0008387606,0.9850298,0.000007080393,0.0005552615],"study_design_scores_gemma":[0.0002095738,0.00009663445,0.000004461592,0.0002695599,0.00006623913,0.000006331059,0.00003310671,0.0162632,0.001855526,0.9808043,0.0001448873,0.000246205],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"other","genre_gemma":"methods","genre_scores_codex":[0.000134091,0.0003152488,0.4730069,0.00000845416,0.0002052012,0.0002344369,0.0000677737,0.0001046133,0.5259233],"genre_scores_gemma":[0.1453874,0.001384463,0.6509082,0.00006231515,0.00009549828,0.00001383227,0.00007509438,0.0003413983,0.2017319],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.3241914,"threshold_uncertainty_score":0.8444979,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00843562654645544,"score_gpt":0.1769059114873311,"score_spread":0.1684702849408757,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}