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Minimizing NExpectation for a custom distribution in Mathematica

...ur definition above into simple functions: pdf[a_, b_, m_, s_, x_] := (1/(2*(a + b)))*a*b* (E^(a*(m + (a*s^2)/2 - x))*Erfc[(m + a*s^2 - x)/(Sqrt[2]*s)] + E^(b*(-m + (b*s^2)/2 + x))*Erfc[(-m + b*s^2 + x)/(Sqrt[2]*s)]) pdf2[a_, b_, m_, s_, x_] := pdf[a, b, m, s, Log[x]]/x; If we plot pdf2 ...
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TCP 的那些事儿(上) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...序号来拼接数据)。 对于4次挥手,其实你仔细看是2次,因为TCP是全双工的,所以,发送方和接收方都需要Fin和Ack。只不过,有一方是被动的,所以看上去就成了所谓的4次挥手。如果两边同时断连接,那就会就进入到CLOSING...
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Elegant Python function to convert CamelCase to snake_case?

...more): def camel_to_snake(name): name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name) return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower() print(camel_to_snake('camel2_camel2_case')) # camel2_camel2_case print(camel_to_snake('getHTTPResponseCode')) # get_http_response_code print(camel_to_s...
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How to initialize a vector in C++ [duplicate]

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Find and kill a process in one line using bash and regex

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When should I use cross apply over inner join?

... 682 Can anyone give me a good example of when CROSS APPLY makes a difference in those cases where...
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How do I round a decimal value to 2 decimal places (for output on a page)

... I'm using it to represent dollars and cents, I only want the output to be 2 decimal places. 17 Answers ...
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Markdown: continue numbered list

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Removing duplicates in lists

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Pickle incompatibility of numpy arrays between Python 2 and 3

I am trying to load the MNIST dataset linked here in Python 3.2 using this program: 7 Answers ...