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Connection formulas for certain higher order phase-integral approximations

✍ Scribed by Nanny Fröman


Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
777 KB
Volume
61
Category
Article
ISSN
0003-4916

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✦ Synopsis


Characteristic properties of certain higher order phase-integral approximations related to the higher order JWKR approximations are discussed and connection formulas are given.


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The approximate solution of the differential equation d'+d? + Q'(z)+ = 0 by a general modification of certain phase-integral approximations of arbitrary order is considered. A consistent modification of these higher-order phase-integral approximations is derived on the assumption that one has found

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✍ Per Olof Fröman 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 478 KB

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