{"id":2201659,"recorded_at":"2026-11-02T19:13:27.769629Z","observed_at":"2026-11-02T19:13:27.769569Z","subject_kind":"source_record","subject":"x402_bazaar:https://linear-algebra.x402tookit.com/inverse","kind":"listing","method":"sync.x402_bazaar/1","body":{"endpoints":[["x402","https://linear-algebra.x402tookit.com/inverse"]],"name":"Linear Algebra","owner_address":"0xb531320805c5bed1d46aeadcf4f008fdf172dbda","raw":{"accepts":[{"amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"},{"amount":"20000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM","transactionVersions":[0]},"maxTimeoutSeconds":300,"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","payTo":"DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s","scheme":"exact"},{"amount":"20000","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:137","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"},{"amount":"20000","asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:42161","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"}],"description":"Inverse of a square matrix (up to 10x10) by Gauss-Jordan, with A*inv(A) residual and a condition number.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"A":"[[4,7],[2,6]]"},"type":"http"},"output":{"example":{"asOf":"2026-10-12T00:51:55.457Z","conditionNumber1Norm":14.3,"degraded":false,"digitsLostEstimate":1,"disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.","illConditioned":false,"inverse":[[0.6,-0.7],[-0.2,0.4]],"maxResidualAAinvMinusI":2.22e-16,"notChecked":["exact arithmetic: for an ill-conditioned matrix the printed digits beyond the condition number's reach are noise","sensitivity of the inverse to errors in your own input data"],"reasons":["Gauss-Jordan elimination with partial pivoting.","The condition number is ||A||_1 * ||inv(A)||_1 using the computed inverse. About 1 of the ~16 digits of a double can be lost.","…1 more"],"singular":false,"source":"computed locally","summary":"Inverse found; 1-norm condition number about 14.3.","verdict":"INVERTIBLE"},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"A":{"description":"Square matrix, JSON like [[4,7],[2,6]] or 4,7;2,6 (max 10x10)","type":"string"}},"required":["A"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"conditionNumber1Norm":{"type":["null","number"]},"degraded":{"type":["boolean","null"]},"digitsLostEstimate":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"illConditioned":{"type":["boolean","null"]},"inverse":{"items":{"items":{"type":"number"},"type":"array"},"type":["array","null"]},"maxResidualAAinvMinusI":{"type":["null","number"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"singular":{"type":["boolean","null"]},"source":{"type":["null","string"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-11-01T23:34:02.045Z","quality":{"l30DaysTotalCalls":2,"l30DaysUniquePayers":2,"lastCalledAt":"2026-11-01T23:34:01.767Z"},"resource":"https://linear-algebra.x402tookit.com/inverse","serviceName":"Linear Algebra","tags":["inverse","matrix","condition-number","linear-algebra"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Inverse of a square matrix (up to 10x10) by Gauss-Jordan, with A*inv(A) residual and a condition number."},"body_sha256":"b4e44d14b58b42d0b36386de8265e6c8e07769370a918db5424361a081bd59fe","prev_id":null,"leaf":"0x8d88c35fe72550416d66bb6327df8e59d3a334973339371a7ade4d51d5f39273","leaf_text":"{\"body\":\"b4e44d14b58b42d0b36386de8265e6c8e07769370a918db5424361a081bd59fe\",\"id\":2201659,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793646807769569,\"prev\":null,\"subject\":\"x402_bazaar:https://linear-algebra.x402tookit.com/inverse\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-11-02","leaves":444186,"root":"0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1","chained":"0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2","anchor_chain":"eip155:5042002","anchor_tx":"0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af","anchor_block":70432815},"proof":["0x8d88c6551edfc8783f211e12886899736112003a0cf4b2f4c470008a475318d6","0x46cf9b0df82e5b2517891a65b143c6ec6486c4f4e1df84f05ddc13699c7e5c9a","0x71f0918ebfc63f9994b885252ef4f7a83be67e3f8af605467b5770310b8e1882","0x210a894b7b00692de060d10cd444b959383c0c96424655b1624eac962500d63c","0x80b6dfd2152358b92747794bc3cdd31195fe7c86455befa3b8af611c408200f1","0x53c22aa6b030842f3dad213951038075e3b0a46bba2a96cc32c6f8ff6b7410bd","0xae89ff6297a95c42291cc24f960c8b98b65346198da5a0282e45a7e70af47cc2","0xdd637d067eae19c5e6c530495381416cf62f41c598b05878f3a60538c99d27c3","0x633c85223f79d003480354de5e5f0f332da7c6eccc4510402c44e9778cf4a89c","0x87c0d79447711e30d0b7f9b024d72ef89e209f1a2bff3d4d704faf289546801a","0x11cb0fbcd290c8507a8128d0a17a422bc27efef8f46b56034ee30cb10f5327f4","0xb030bb42b9eab986acc0da3e948c6aadf4547c06744cd7db6bb54c446df9b380","0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95","0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32","0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6","0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543","0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a","0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35","0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e"]}