Nuclear Science and Engineering / Volume 13 / Number 2 / June 1962 / Pages 149-152
Technical Paper / dx.doi.org/10.13182/NSE62-A26143
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Infinite medium solutions of the transport equation are used to obtain two integrals of this equation, to express the asymptotic approximation to the solution of Milne's problem, and to construct a variational trial solution. This solution is improved by one iteration. The linear extrapolation distance is expressed by the stationary value of the variational functional.