Research Workbench

Two-row matrix norm audit

Compare absolute row sums, column sums and Frobenius magnitude.

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Use comma-separated finite numbers on two lines. Magnitudes must be at most 1e9 and at least 1e-12, or zero.

The starting values are hypothetical. Results update as you edit. Use aggregate or synthetic inputs only.

Calculation results

One-norm
6
Infinity norm
7
Frobenius norm
5.4772256

How to interpret the output

Reports the induced one-norm, infinity norm and Frobenius norm of a 2×2 matrix. Keep coordinate units explicit. These magnitudes alone do not diagnose conditioning. Source checked 12 November 2026.

Method reference

Read the worked guide and interpretation examples →