Frobenius norm of a two-by-two matrix calculator
Measure a real matrix by treating its entries as one vector.
Open calculatorMaths & numbers
Everyday percentages, sequences and the numbers in between.
Showing 121–144 of 193 tools
Two-by-two one-norm condition number calculator
Estimate the sensitivity of a linear system using the induced one-norm.
Open calculatorSymmetric matrix definiteness by leading minors calculator
Classify a symmetric matrix according to the sign of its quadratic form.
Open calculatorTwo-by-two Cholesky factor calculator
Factor a symmetric positive definite matrix as LLᵀ.
Open calculatorSpectral radius of a symmetric two-by-two matrix calculator
Find the largest absolute eigenvalue, which controls powers of a symmetric matrix.
Open calculatorTwo-by-two orthogonality residual calculator
Measure how far the columns are from being unit length and perpendicular.
Open calculatorCommutator of a diagonal and dense matrix calculator
Compute DA−AD when D is diagonal and determine whether the matrices commute.
Open calculatorJacobi iteration for two equations calculator
Run ten Jacobi sweeps on a two-equation linear system and inspect the residual.
Open calculatorPower iteration for a symmetric two-by-two matrix calculator
Estimate an eigenvalue with normalized power iteration and report the final eigenpair residual.
Open calculatorSigned distance from a point to a plane calculator
Calculate signed perpendicular distance from a point in three dimensions to a general plane.
Open calculatorRichardson extrapolation from two estimates calculator
Cancel the leading error term when the same method is run at two resolutions.
Open calculatorAitken delta-squared sequence acceleration calculator
Estimate a limit from three successive values using the delta-squared transform.
Open calculatorCentral first derivative from samples calculator
Estimate a derivative from two symmetric samples without specifying the full function.
Open calculatorCentral second derivative from samples calculator
Estimate curvature from a centred sequence of three samples.
Open calculatorTrapezoidal integration with uneven spacing calculator
Integrate three unevenly spaced measurements by joining them with straight segments.
Open calculatorSecant step from two sampled values calculator
Compute the x-intercept of the secant through two sampled points.
Open calculatorRelative residual for an approximate linear solve calculator
Measure how well an approximate solution satisfies one linear equation.
Open calculatorSimpson integral from three samples calculator
Estimate an integral directly from three equally spaced samples over one Simpson panel.
Open calculatorTriangle point from barycentric weights calculator
Locate a point as a convex combination of the vertices of a triangle with base on the x-axis.
Open calculatorCricket aggregate net run rate calculator
Calculate aggregate NRR from completed unadjusted matches, converting overs.balls correctly and using full allocated balls for all-out innings.
Open calculatorElo logistic rating period calculator
Compute an uncapped continuous Elo expected-score scenario using a fixed pre-period rating, explicit K and supplied game results.
Open calculatorCricket bowling average strike rate and economy calculator
Aggregate scorebook bowling spells using legal-ball notation and distinguish runs per wicket, balls per wicket and runs per over.
Open calculatorEvenly spaced stitch increase and decrease calculator
Plan a flat row of evenly distributed make-one increases or two-together decreases, including the end gaps and the resulting stitch count.
Open calculatorOdds to probability and format conversion calculator
Convert entered decimal, fractional or American odds into implied probability and equivalent numerical representations.
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