{"uid":"cap_SUBEVgpOzNZyVXI4pxh9H","slug":"numora-matrix-rank-computation-135b31fd","name":"Numora Matrix Rank Computation","description":"100 pure math computation endpoints for AI agents. Statistics, financial math, linear algebra, equation solving, calculus, number theory, sequence generation, and unit conversions. Zero external dependencies. x402 micropayments on Base.","url":"https://numormor.netlify.app/api/matrix/rank","method":"POST","headers":{},"bodySchema":{"type":"object","required":["A"],"properties":{"A":{"type":"array","description":"Matrix (2D array)"}}},"responseSchema":{"type":"object","required":["success","result","computation"],"properties":{"result":{"type":"object","description":"Computation result varies by endpoint"},"success":{"type":"boolean","description":"Always true on success"},"computation":{"type":"string","description":"Human-readable description of what was computed"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":{"p10Cents":"10.0000","medianCents":"10.0000","p90Cents":"10.0000","minCents":"10.0000","maxCents":"10.0000","p95Cents":"10.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nItfA-hrUgnutbS-WOAW5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the rank of a matrix (the number of linearly independent rows or columns)","exampleAgentPrompt":"What's the rank of this matrix: [[1,2,3],[4,5,6],[7,8,9]]? I need to know how many linearly independent rows it has.","exampleUseCases":null,"resultDescription":"Returns a JSON object with 'success' (boolean), 'result' (object containing the computed rank value), and 'computation' (human-readable string describing what was computed, e.g. 'Rank of 3x3 matrix is 2').","failureModes":["Missing required 'A' field returns validation error","Non-numeric values in matrix array cause computation failure","Non-rectangular (jagged) matrix array may cause error","Empty matrix or empty rows return error or zero rank","Payment failure via x402 micropayment returns 402 response"],"whenToPreferThis":"Use this endpoint when you need a fast, self-contained matrix rank computation with no external dependencies and micropayment billing per call. Ideal for AI agents that need deterministic mathematical results without setting up a local linear algebra library. Prefer when you want pay-per-use pricing on Base via x402 rather than a subscription-based math service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:45:51.849Z","isFirstParty":false}