Matrix calculator for up to 8x8
Matrix calculator for up to 8x8 - determinant, inverse, rank, trace, transpose and the solution of the linear system Ax = b with a square matrix
Answers HTTP 404 without x402 payment termsour last check, 2026-10-18
0 of 1checks answered this week
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$0.01listed price per call
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Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/math/matrix
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | no x402 terms | 404 | 279 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"b": "5,6",
"matrix": "[[1,2],[3,4]]"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"b": {
"description": "optional right-hand side vector to solve Ax = b",
"type": "string"
},
"matrix": {
"description": "JSON array of rows, up to 8x8, e.g. [[1,2],[3,4]]",
"type": "string"
}
},
"required": [
"matrix"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"cols": {
"type": "number"
},
"determinant": {
"type": [
"number",
"null"
]
},
"inverse": {
"type": [
"array",
"null"
]
},
"invertible": {
"type": [
"boolean",
"null"
]
},
"rank": {
"description": "Rank, 1 is highest",
"type": "number"
},
"rows": {
"description": "List of rows",
"type": "number"
},
"solution": {
"type": [
"array",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"square": {
"type": "boolean"
},
"trace": {
"type": [
"number",
"null"
]
},
"transpose": {
"type": "array"
}
},
"required": [
"rows",
"cols",
"rank"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}