{"slug":"linear-algebra-x402tookit-com-eigen-b180b7","title":"Eigenvalues and eigenvectors of a 2x2 matrix (closed form) or a symmetric matrix","host":"linear-algebra.x402tookit.com","method":"GET","resource":"https://linear-algebra.x402tookit.com/eigen","category":"other","description":"Eigenvalues and eigenvectors of a 2x2 matrix (closed form) or a symmetric matrix up to 10x10 (Jacobi).","price_listed":0.02,"price_asked":0.02,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":377,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"A":"[[2,-1,0],[-1,2,-1],[0,-1,2]]"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"A":{"description":"2x2 matrix, or symmetric NxN up to 10x10, JSON like [[2,1],[1,2]] or 2,1;1,2","type":"string"}},"required":["A"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"defective":{"type":["boolean","null"]},"definiteness":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"determinant":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"eigenvalues":{"items":{"properties":{"im":{"type":["null","number"]},"re":{"type":["null","number"]}},"type":"object"},"type":["array","null"]},"eigenvectors":{"items":{"items":{"type":"number"},"type":"array"},"type":["array","null"]},"maxResidualAvMinusLambdaV":{"type":["null","number"]},"method":{"type":["null","string"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"productOfEigenvalues":{"type":["null","number"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"size":{"type":["null","number"]},"source":{"type":["null","string"]},"sumOfEigenvalues":{"type":["null","number"]},"summary":{"type":["null","string"]},"symmetric":{"type":["boolean","null"]},"trace":{"type":["null","number"]},"verdict":{"type":["null","string"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.02,"price_match":true,"latency_ms":377,"error":null}],"description_full":"Eigenvalues and eigenvectors of a 2x2 matrix (closed form) or a symmetric matrix up to 10x10 (Jacobi).","last_updated":"2026-10-20T20:46:24.781Z","schemes":["exact"]}