MATH / LINEAR ALGEBRA
Calculate both real eigenvalues of a two-by-two matrix. Review the equation, substituted values, result, assumptions, and interpretation in one focused workspace.
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Calculate both real eigenvalues of a two-by-two matrix. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
lambda=(a+d +/- sqrt((a-d)^2+4bc))/2
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What you receive
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This page reports real eigenvalues only.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
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