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单词 Selat
释义

Selat

英语百科

Magnus expansion

(重定向自Selat)

In mathematics and physics, the Magnus expansion, named after Wilhelm Magnus (19071990), provides an exponential representation of the solution of a first order homogeneous linear differential equation for a linear operator. In particular it furnishes the fundamental matrix of a system of linear ordinary differential equations of order n with varying coefficients. The exponent is built up as an infinite series whose terms involve multiple integrals and nested commutators.

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