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Exact Matrix Determinant and Inverse
Inspect an exact rational square matrix for determinant, rank and a complete inverse or a classified singular result.
Square rational matrix (textarea)
Complete exact JSON report
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
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How to use this tool
- Enter Square rational matrix with one row per line and entries separated by spaces. Use integers or numerator/denominator tokens.
- Select Inspect matrix.
- Download matrix-report.json for every normalized entry, determinant, rank and complete inverse or singular result.
Examples
For matrix rows 1 2 and 3 4, the determinant is −2, rank is 2 and inverse is [[−2,1],[3/2,−1/2]].
Limitations
- Square matrices of order 1–5; at most 12 digits per numerator or denominator, 8,192 ASCII input bytes, 4,096-digit intermediate arithmetic and 256 KiB JSON.
- No decimals, exponents, symbolic entries or supplied right-hand-side separator |.
- No eigenvalues, generalized inverse or other matrix operations. A 30-second processing limit applies.
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