Questions tagged [generator]

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Continuous Time Markov chain [duplicate]

What is the intuition behind 'Infinitesimal generator matrix?What why we need it?Why it is called generator matrix?what it generates?
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the IS(Inception Score) of the generated images is higher than the images from datasets?

Is there a situation where the IS(Inception Score) of the generated images is higher than the images from datasets? Can anyone tell me?
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1answer
84 views

Combine ReLU with TanH is a good idea?

I have a CNN implementation for the Generator of a GAN, internally, the architecture is using ReLU for non-linearities, but at the output, the paper of the architecture specifies Tanh must be used. ...
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1answer
15 views

Different signal length for each batch

I wonder if it Is it possible to have a different signal length for each batch when training a model. Batch 1 : all signals of length 1000 Batch 2 : all signals of length 2000 Batch 3 : all signals ...
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1answer
60 views

Random number generator independence

I have a naïve question about random number generators. Say I want to generate a set of random variables from different exponential distributions,$$X_i \sim \mathcal {Exp}(\lambda_i)$$ Assume the$X_i$'...
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1answer
179 views

Questions regarding generator function of a copula

Context This post concerns Archimedean copulas, specifically as given in [1]. In this post, I ask a series of questions with the intent of clarifying what is written in [1]. Questions In [1], it ...
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0answers
116 views

Interpolating time ordered smooth function into space

I am using GAMs in R to generate daily weather variables, mainly precipitation and temperature. Currently, I am fitting a model for each weather station but I would like to use it in places where ...
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0answers
50 views

How to generate a Bernoulli distribution based on a given Bernoulli distribution? [closed]

We have a Bernoulli distribution which outputs 1 with probability C and outputs 0 with probability 1-C. C is unknown. Now we would like to generate a new Bernoulli distribution that outputs 1 with ...
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0answers
464 views

Advantage of fit_generator() in keras [closed]

I was wondering if the fit_generator() in keras has any advantage in respect to memory usage over using the usual fit() method ...
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2answers
50 views

Generates variates of $F^s$ given a known algorithm for variates of $F$

Let rv $X$ have a distribution $F (t):={\rm Prob}(X <t)$ and rv $Y$ have a distribution $G (t):=(F(t))^s$ for some constant $s>0$. Suppose that I know an algorithm for generating random variates ...
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3answers
10k views

Why use Binary Cross Entropy for Generator in Adversarial Networks

I'm trying to work with General Adversarial Networks and there's something I'm seeing everywhere but can't explain why... the GANs are usually constructed from a Generator (which usually generates an ...
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1answer
81 views

Data set generator [closed]

I'd like to ask if someone knows a good data set generator for multi-target/Multivariate regression All the best Richard
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1answer
112 views

Markov Process-Variance of time until jump

A Markov process on E = {1, 2} is constructed according to holding time parameters λ1 = 2 and λ2 = 4; the defining Markov chain has transition probabilities p11 = p12 = 0.5 and p21 = 1. How do I ...
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227 views

Discrete time generator of stochastic process

While looking at one paper about Metropolic Hasting optimal convergence rates, I came accross a discrete time generator of Markov chain. It is defined as follows: $$G V(x)=nE\left [ \left( V(y)-V(x)\...