{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:WLHWQMXPWQVPYXVA3KFP2CZNP4","short_pith_number":"pith:WLHWQMXP","schema_version":"1.0","canonical_sha256":"b2cf6832efb42afc5ea0da8afd0b2d7f3bde1cf5c6b3ca264d9f62e6b19aff83","source":{"kind":"arxiv","id":"1502.02941","version":1},"attestation_state":"computed","paper":{"title":"A Matlab Tutorial for Diffusion-Convection-Reaction Equations using DGFEM","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NA","authors_text":"B\\\"ulent Karas\\\"ozen, Murat Uzunca","submitted_at":"2015-02-10T15:16:20Z","abstract_excerpt":"We present a collection of MATLAB routines using discontinuous Galerkin finite elements method (DGFEM) for solving steady-state diffusion-convection-reaction equations. The code employs the sparse matrix facilities of MATLAB with \"vectorization\" and uses multiple matrix multiplications {\\it \"MULTIPROD\"} to increase the efficiency of the program."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1502.02941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2015-02-10T15:16:20Z","cross_cats_sorted":[],"title_canon_sha256":"8e6f68cba9db06273a976c43c893a700970a1d51de804fd14b0c6b442eb05487","abstract_canon_sha256":"192b13ea7b08481f4bc734237f319504c6e2fd7fa9e5430549a8965f0ab22cb5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:30.305288Z","signature_b64":"sf0saY22QKe66JkGdJppAVQ1esN2FFO7IFxGhONflQQFxMa9Y2bLyk5CBttxbl/U0xluzWFgu1fan/jxFEVQBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2cf6832efb42afc5ea0da8afd0b2d7f3bde1cf5c6b3ca264d9f62e6b19aff83","last_reissued_at":"2026-05-18T02:27:30.304514Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:30.304514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Matlab Tutorial for Diffusion-Convection-Reaction Equations using DGFEM","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NA","authors_text":"B\\\"ulent Karas\\\"ozen, Murat Uzunca","submitted_at":"2015-02-10T15:16:20Z","abstract_excerpt":"We present a collection of MATLAB routines using discontinuous Galerkin finite elements method (DGFEM) for solving steady-state diffusion-convection-reaction equations. The code employs the sparse matrix facilities of MATLAB with \"vectorization\" and uses multiple matrix multiplications {\\it \"MULTIPROD\"} to increase the efficiency of the program."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02941","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1502.02941","created_at":"2026-05-18T02:27:30.304632+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.02941v1","created_at":"2026-05-18T02:27:30.304632+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02941","created_at":"2026-05-18T02:27:30.304632+00:00"},{"alias_kind":"pith_short_12","alias_value":"WLHWQMXPWQVP","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"WLHWQMXPWQVPYXVA","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"WLHWQMXP","created_at":"2026-05-18T12:29:47.479230+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4","json":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4.json","graph_json":"https://pith.science/api/pith-number/WLHWQMXPWQVPYXVA3KFP2CZNP4/graph.json","events_json":"https://pith.science/api/pith-number/WLHWQMXPWQVPYXVA3KFP2CZNP4/events.json","paper":"https://pith.science/paper/WLHWQMXP"},"agent_actions":{"view_html":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4","download_json":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4.json","view_paper":"https://pith.science/paper/WLHWQMXP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.02941&json=true","fetch_graph":"https://pith.science/api/pith-number/WLHWQMXPWQVPYXVA3KFP2CZNP4/graph.json","fetch_events":"https://pith.science/api/pith-number/WLHWQMXPWQVPYXVA3KFP2CZNP4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4/action/storage_attestation","attest_author":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4/action/author_attestation","sign_citation":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4/action/citation_signature","submit_replication":"https://pith.science/pith/WLHWQMXPWQVPYXVA3KFP2CZNP4/action/replication_record"}},"created_at":"2026-05-18T02:27:30.304632+00:00","updated_at":"2026-05-18T02:27:30.304632+00:00"}