All Questions
94,717
questions
0
votes
3
answers
50
views
How to plot this data set, ignoring the initial oscillation?
Suppose I have an array given as:
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- 2,642
0
votes
0
answers
34
views
Integration for the Casimir force
thanks for helping me.
I want to integrate summations that contain real exponentials, I have managed to run the program however it gives me many numerical errors, the program works for limits from 0 ...
0
votes
0
answers
19
views
Histogram from a large dataset
I have a dataset in csv form which contains entries in the following form:
data in mm/dd/yy format, time in 00:00:00 format, day of the week in 'Monday,...,Sunday' format, latitude, longitude
Its a ...
- 133
0
votes
0
answers
17
views
Checking the sign value of the derivatives of a complicated function
Consider the following function:
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- 765
0
votes
0
answers
32
views
Issues in solving a differential equation for a modified matrix
Following program works fine as it gives a solution to the differential equation here
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- 143
1
vote
0
answers
34
views
Help with a partial differential equation - inaccurate result
I'm trying to solve the following partial differential equation using NDSolve
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- 63
0
votes
0
answers
38
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Analysis of non-stationary data in ML and GAMLSS methods in Mathematica
Has anyone tried to implement analysis of non-stationary data in wolfram using maximum likelihood (ML) and a GAMLSS (generalized additive model for location, scale and shape parameters) ?
- 21
0
votes
0
answers
23
views
Factoring Custom Tensor Products
I have defined a custom tensor product function TProduct[a,b] -> $a \otimes b$ that behaves as you would expect:
...
- 101
2
votes
1
answer
96
views
Get the systematic name for Formic acid
How does one get the systematic name for molecules like formic acid? I would like to get methanoic acid.
- 23
0
votes
1
answer
66
views
How can I use the values of one plot in another one?
I have a two functions that I have to plot versus Q:
the first is Ri which is a solution for ...
- 13
0
votes
1
answer
42
views
Unexpected problem while integrating the Weierstrass $\wp$ function
I would like to calculate some integrals in terms of the Weierstrass $\wp$ function. My code is as follows.
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0
votes
2
answers
60
views
Integration with respect to functions
I observe some strange behaviour of Mathematica when pulling functions into the integrator. I know that Mathematica's capabilities are limited when computing Stieltje or Lebesgue Integrals. But even ...
- 187
0
votes
4
answers
86
views
How to find four numbers from the table that meet the requirements and find the four numbers with the largest sum?
In a 4x4 grid, it is required that each row and each column contains exactly one selected square. Enumerate all the four squares that are selected. And identify the selection that, among those that ...
- 4,403
0
votes
0
answers
25
views
Calculating dynamic error bounds
I need to compute dynamic floating-point error bounds for, say, a determinant (really general predicates like incircle, etc...).
Each scalar variable needs to be represented as (x + epsilon), and in ...
- 101
4
votes
1
answer
103
views
Recreating Louise Bourgeois' Insomnia Spirals (Fugue #12)
Louise Bourgeois
Louise Bourgeois (1911 - 2010) was a French-American artist. Although
she is best known for her large-scale sculptures, she was also a
prolific painter and drawer.
"The spiral ...
- 79.8k