使人入神
发表于 2025-3-25 05:29:20
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STEER
发表于 2025-3-25 07:39:31
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JECT
发表于 2025-3-25 12:34:21
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Madrigal
发表于 2025-3-25 19:06:57
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jabber
发表于 2025-3-25 20:04:39
G. S. Gillgiven extremal . of a variational integral . is, in fact, a .. This will be achieved by a method the elements of which were developed by Weierstrass. One of its basic ideas is to consider a whole bundle of extremals instead of a single one, just as one investigates in optics . instead of isolated si
注视
发表于 2025-3-26 00:10:53
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初次登台
发表于 2025-3-26 06:05:17
Purab Alok Jain,Pranali K. Kosamkars with the for mal apparatus of the variational calculus and with nonparametric field theory, whereas Volume 2 treats parametric variational problems as weIl as Hamilton Jacobi theory and the classical theory of partial differential equations of first order. In a subsequent treatise we shall descr
inflame
发表于 2025-3-26 10:17:04
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Dungeon
发表于 2025-3-26 15:33:36
Swapnil P. Bhagat,Bandu B. Meshrams with the for mal apparatus of the variational calculus and with nonparametric field theory, whereas Volume 2 treats parametric variational problems as weIl as Hamilton Jacobi theory and the classical theory of partial differential equations of first order. In a subsequent treatise we shall descr
发出眩目光芒
发表于 2025-3-26 20:01:55
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