| 单词 | Laurent expansion |
| 释义 | Laurent expansion [lȯ`rän ik´span·chǝn] MATHEMATICS An infinite series in which an analytic function f (z ) defined on an annulus about the point z0 may be expanded, with nth term an(z-z0)n, n ranging from -∞ to ∞, and an = 1/(2π i ) times the integral of f (t )/ (t - z0)n+1 along a simple closed curve interior to the annulus. Also known as Laurent series. |
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