Questions tagged [mathematics]

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18 views

Solving Bayes Theorem equation -> I can't calculate proper result

I am solving questions for an edx course on Machine Learning. One particular question is giving me a problem: Assume a patient comes into the doctor’s office to test whether they have a particular ...
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2answers
43 views

How to learn certain Maths to understand machine Learning papers?

I have done the deeplearning.ai course on deep learning. But I cannot Understand equations like minGmaxDV(D,G)=Ex∼pdata(x)[logD(x)]+Ez∼pz(z)[log(1−D(G(z)))] ...
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1answer
13 views

Choose points to maximize volume of convex hull

Suppose I have N points (labeled 1, 2, ..., k, ..., N) in D dimensions. I'd like to choose ...
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0answers
97 views

Updating Weight Using Updates on Related Data

Suppose $$ x=Ay $$ The $x$ is $M\times 1$, $y$ is $N \times 1$ and $A$ is $M\times N$ We have the data $x$ and would like to know what $y$ is. However, the matrix $A$ is too large for pseudo-...
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1answer
47 views

Elements of Statistical Learning - question on p. 18

In the following expression: What do $E_{X}$ and $E_{Y|X}$ mean, respectively? In case helpful, I note that the authors derived that expression from the following: Based on the above, how would one ...
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0answers
23 views

Proof MDS algorithm

I am studying this paper from Ali Ghosdi class I probably lack of knowledge in linear algebra but there are some steps that I don't understand. Like on the second page he talks about the distance ...
12
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2answers
2k views

What is GELU activation?

I was going through BERT paper which uses GELU (Gaussian Error Linear Unit) which states equation as $$ GELU(x) = xP(X ≤ x) = xΦ(x).$$ which appriximates to $$0.5x(1 + tanh[\sqrt{ 2/π}(x + 0.044715x^...
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1answer
71 views

Efficient self study plan

I am hoping for a bit of guidance from experienced practitioners / academics. I want to work through the Bishop ML book, but have minimal background. What is the fastest way to get the pre-...