Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their … From math.stackexchange.com
SUM OF 1 - 1/2 + 1/3 +.... + 1/N - MATHEMATICS STACK EXCHANGE
One can write $$1+\frac12+\frac13+\cdots+\frac1n=\gamma+\psi(n+1)$$ where $\gamma$ is Euler's constant and $\psi$ is the digamma function. Of course, one reason for creating the … From math.stackexchange.com
DERIVATIVE OF SIGMOID FUNCTION $\\SIGMA (X) = \\FRAC{1}{1+E^{-X}}$
In my AI textbook there is this paragraph, without any explanation. The sigmoid function is defined as follows $$\\sigma (x) = \\frac{1}{1+e^{-x}}.$$ This function is easy to differentiate From math.stackexchange.com
HOW CAN 1+1=3 BE POSSIBLE? - MATHEMATICS STACK EXCHANGE
Feb 3, 2021 Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for … From math.stackexchange.com
WHAT IS 1 - 1/2 + 1/3 - 1/4 + 1/5 - 1/6 + 1/7 - 1/8 +1/9
Nov 28, 2019 Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for … From math.stackexchange.com
WHAT DOES $QAQ^{-1}$ ACTUALLY MEAN? - MATHEMATICS STACK …
Apr 28, 2020 1 $\begingroup$ When one thinks of matrix products like that, it's helpful to remember that matrices, unlike vectors, have two sets of bases: one for the domain and one … From math.stackexchange.com
ABSTRACT ALGEBRA - PROVE THAT 1+1=2 - MATHEMATICS STACK EXCHANGE
Jan 15, 2013 The main reason that it takes so long to get to $1+1=2$ is that Principia Mathematica starts from almost nothing, and works its way up in very tiny, incremental steps. … From math.stackexchange.com
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