匍匐前进
发表于 2025-3-26 21:45:12
John L. Troutmandata is collected at two different points in the integration test phase and the two parameters can be determined from moment estimator formulas .The more powerful maximum likelihood method can also be employed to obtain point and interval estimates . It is also possible to use least squares me
安心地散步
发表于 2025-3-27 04:25:33
Variational Principles in Mechanicsy recognizing that the brachistochrone should give the least time of transit for light in an appropriate medium that Johann Bernoulli “proved” that it should be a cycloid in 1697. (See Problem 1.1.) And it was Johann Bernoulli who in 1717 suggested that static equilibrium might be characterized thro
Basal-Ganglia
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maladorit
发表于 2025-3-27 09:31:21
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美色花钱
发表于 2025-3-27 13:54:07
John L. Troutman, I endeavor to achieve a balance between theory and app- cations in a rather short compass. While the combination of brevity apd balance sacrifices many of the978-0-387-22711-5Series ISSN 1431-875X Series E-ISSN 2197-4136
令人悲伤
发表于 2025-3-27 19:40:02
0172-6056 lly that of Hamilton from the last century) show the importance of also considering solutions that just provide stationary behavior for some measure of performa978-1-4612-6887-1978-1-4612-0737-5Series ISSN 0172-6056 Series E-ISSN 2197-5604
Ejaculate
发表于 2025-3-28 00:37:48
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做作
发表于 2025-3-28 05:50:58
Standard Optimization Problemshen “best” can be assessed numerically, then this assessment may be regarded as a real valued function of the method under consideration which is to be optimized—either maximized or minimized. We are interested not only in the optimum values which can be achieved, but also in the method (or methods) which can produce these values.
detach
发表于 2025-3-28 07:45:33
Local Extrema in Normed Linear Spaceshing of its gradient ∇. (§0.5). In this chapter, we shall obtain analogous variational conditions which are necessary to characterize . extremal values of a function . on a subset . of a linear space . supplied with a norm which assigns a “length” to each . ∈ ..
flimsy
发表于 2025-3-28 12:04:48
The Euler-Lagrange Equations. However, it was not until the work of Euler (c. 1742) and Lagrange (1755) that the systematic theory now known as the calculus of variations emerged. Initially, it was restricted to finding conditions which were . in order that an integral function.should have a (local) extremum on a set. ⊆ {. ∈ .[.]: .(.) = .;.(.) = .}.