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阿Ken的笔记 · · · ( 50篇 )
计量经济分析（上下册） (1)
威廉·H·格林 / 费剑平 / 2007-7 / 128.00元
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第913页
在约束优化中用到了拉格朗日乘数法，书中没有给出推导，维基百科对Lagrange multiplier的介绍中给出了推导http://en.wikipedia.org/wiki/Lagrange_multiplier。貌似是个对于和约束条件中的函数梯度正交的向量的恒成..
The Federalist Papers (Oxford World's Classics) (7)
Alexander Hamilton、James Madison、John Jay、Lawrence Goldman / OUP Oxford / 2008-10-09 / GBP 10.99
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第17页
As is often the case, the war had been paid for by the issue of more notes, which brought rampant depreciation of the value of both Congressional bills of credit and also state currencies, and debil... -
第16页
The Congress had no power to tax: it could lay requisitions on the states but the obligation to meet them was not binding. -
第15页
Three of the essays, numbers 21 to 23, are given over to a critique of the Articles.
The Great Gatsby (1)
F. Scott Fitzgerald / Penguin Books / 2000-02-24 / GBP 7.99
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第3页
Most of the confidences were unsought—frequently I have feigned sleep, preoccupation, or a hostile levity when I realized by some unmistakable sign that an intimate revelation was quivering on the h...
