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Questions tagged [iteration-methods]

The tag has no usage guidance.

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understanding certain random recurrence relation with matrices [closed]

$x_{n+1}=a_{n+1}x_n+b_{n+1}, n=0,1,2,\dots, x_0\in \mathbb R, (a_n,b_n)$ be i.i.d and $E\{\log^{+}\|a_n\|\}<\infty,E\{\log^{+}\|b_n\|\}<\infty, x^{+}=x ;x>0, x^+=0; x<0 $, If the above ...
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selecting a number according to probability

Could anyone just tell me what does he, mean by at the point $2$, selecting a number according to the probabilities, $p(x_0)$? does he meant to chhose the largest one out of $p_i(x_0), i=1,2,\dots,N$?,...
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Whats is the difference between using risk() and cvrisk() in the R package mboost

I am currently running an additive model using the function gamboost() in the package mboost. When using the ...
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What is it called cumulative of every X previous days?

Let's say I have sales number of last 60 days. I can just draw a graph to see how sales has changed overtime. Numbers vary in different days, like on weekends sales numbers decrease. However, I ...
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Iterated estimation of Taylor series

Say your data generating process is given by the function $y=f(x|\theta)$, where $y$ and $x$ represent variables (data) and $\theta$ represent parameter(s). For convergence reasons (e.g. $f(\cdot)$ is ...