Tagged Questions
1
vote
0answers
61 views
How to calculate probability with sigmoid output in feedforward neural network?
first of all I'm sorry for my not very skilled English, but I will do my best to explain my problem.
I'm trying to create a feedforward neural network with one hidden layer (with probably arctan ...
0
votes
0answers
19 views
Location based Simulations
I wasn't sure if I should ask this on CrossValidated stack, but since this is a math/programming problem for me I figured I'd ask here first. I am data mining user locations via schedules - so I know ...
0
votes
1answer
62 views
Calculating the expected number of items shared by chance in a Venn Diagram
I have a Venn Diagram that looks like this:
$$A) \, 213 \quad B) \, 160 \quad A\cap B) \, 100$$
The items from $A$ come from a population where their probability to be selected is ...
1
vote
0answers
34 views
How to model a system with multiple probability distributions, each for a part of the system?
I need to build a complex probability model to describe some "real world" scenarios. The system consists of several types of objects, and the contraints upon these objects and their interactions are ...
-3
votes
1answer
192 views
In general, is it easier to solve problems that have random variables, or problems that are basically the same that don't [closed]
This question is asked because I don't understand how random variables will affect various math problems, and knowledgeable mathematicians would.
By easier, we mean less steps
If we make our own ...
2
votes
0answers
83 views
Modelling randomized cup stacking, animal behaviour
This question has no scientific relevance for me whatsoever, but is a real life question which left me puzzled for a while. Even though I am not going anywere with this, maybe there is still somebody ...
0
votes
0answers
57 views
Modeling with a Bivariate Gaussian Distribution
In an earlier question I inquired about contour lines reflecting probability values in a Bivariate Gaussian Distribution. I have spent some time thinking and playing around with a Mathematica ...
3
votes
1answer
141 views
Conditional Expectation and the floor function
I have a piece of code the produces random integers.
...
2
votes
0answers
109 views
How to model server load?
I want to model the server under load.
I'm using following assumptions:
The server serves only one request at a time, and all requests take him exactly 100ms to process.
All requests that came ...
3
votes
1answer
515 views
Understanding the Pareto distribution as applied to wealth
The Pareto distribution is used to say, given a particular person X, what is the pdf of his wealth.
I would like to explore the reciprocal question: Given the total amount of wealth in a population, ...
2
votes
0answers
43 views
Deriving functions for empiracal distributions -very applied mathatics
First I am a new user of this site.
Second my math background is very limited, although I do have a lot of experience in applied statistics.
Component or piece part failures on high value parts($1000 ...
7
votes
1answer
685 views
Probability in single-lane traffic flow: What are the odds of “choke points” being encountered?
Let's say you have a single-lane road (single in this case meaning single lane in each direction, or what you could also call two-lane). Let's say you have a random number of vehicles on a given ...
