0
votes
0answers
40 views

How to interpret the indicator function?

I am reviewing a paper titled " Bayesian Sampling Approach to Decision Fusion" by Biao Chen and Pramod K Varshney. This paper uses an indicator function that I am not being able understand. The ...
1
vote
1answer
45 views

Given a set of data points, how to use gradient descent to find the minimum in the function that passes from those data points?

I have a function with n parameters. I don't know the formula of the function but I can generate as many data points as I want using the function that I have. My question is, how can I find the set of ...
3
votes
1answer
78 views

Sigmoid function with separate control of derivative at 0 and sharpness of bend.

For a physical relationship, $f(x)$, I'm trying to model, i have a fairly good determination of some of the boundaries, such that $ f(0) = 0$ $f'(0) = B$ $ \lim_{x\to\infty} f = A $ So far, what I ...
1
vote
2answers
74 views

Determining function from simple xy graph

I'm not sure if this question is too vague for here. Will delete if necessary. I have a set of points, (1,782), (2,893), (3,992),... and I'm trying to determine the function that was used to generate ...
3
votes
2answers
52 views

Need to find function by the data

I have found interesting sequence, but I can't find its function. Here are the input and output data: ...
0
votes
1answer
175 views

How to determine a function from outputs

Given the following inputs and outputs to a function, how would I determine an algorithm to fit? ...
1
vote
1answer
107 views
1
vote
1answer
175 views

How to create function that is a power law

If I have a starting and ending y value and know the range along the x-axis, how can I create a function that adheres to a power-law? Ex: I want the function to start at (1, 10), end at (1000,0). ...