| eigenvalue | (noun) (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant | Synonyms: characteristic root of a square matrix, eigenvalue of a matrix, eigenvalue of a square matrix |
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| value | (noun) the quality (positive or negative) that renders something desirable or valuable | - |
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| (noun) relative darkness or lightness of a color | - |
| (noun) a numerical quantity measured or assigned or computed | - |
| (noun) an ideal accepted by some individual or group | - |
| (noun) the amount (of money or goods or services) that is considered to be a fair equivalent for something else | Synonyms: economic value |
| (noun) (music) the relative duration of a musical note | Synonyms: note value, time value |