373 questions
- Bountied 0
- Unanswered
- Frequent
- Score
- Trending
- Week
- Month
- Unanswered (my tags)
0
votes
0
answers
28
views
How to measure heights of a sample in a JPK file?
I am doing some surface analyses using an AFM. I have .jpk files which I can open using the JPK Software and Gwyddion and I am also getting the line plot profiles but I am unsure how to extract the ...
0
votes
0
answers
51
views
Pingall and ping between hosts is failing?
CUSTOM MININET TOPOLOGY ( this is the custom topology I created)
from mininet.topo import Topo
from mininet.net import Mininet
from mininet.node import RemoteController, OVSSwitch
from mininet.cli ...
1
vote
1
answer
237
views
How can I fix Singular Matrix Warning when computing a concave hull with alphashape?
The actual warning printed is "WARNING:root:Singular matrix. Likely caused by all points lying in an N-1 space." This is a surprise to me, since my points clearly populate a 2D area and are ...
0
votes
1
answer
162
views
How to Get Azure resource topology in JSON format?
I have been trying to get the Azure resource topology in JSON format but couldn't find anything.
I tried using ARI module but there is no specific relationship mapped and there is Azure Resource ...
0
votes
2
answers
71
views
Gudhi python library did not show the output for dimension 1
The following code is for "Homology Groups". I used library for implementation purpose.
import gudhi
# Create a simplicial complex
simplex_tree = gudhi.SimplexTree()
simplex_tree.insert([1, ...
1
vote
2
answers
562
views
How to calculate the correct persistence diagram from a binary-mask-png using GUDHI
I'm trying to get the persistence diagram from a mask(for segmentation), and my codes are as follows:
import numpy as np
import gudhi as gd
import matplotlib.pyplot as plt
from PIL.Image import open ...
0
votes
1
answer
4k
views
RLock(s) were not greened, Eventlet.monkey(patch) error
I am trying to run a topology discovery script on mininet for the purpose of my thesis, but i am repeatedly getting this eventlet error even after trying it out in different ways. Below is the code: ...
0
votes
1
answer
322
views
Getting output of CLI commands in some text file
I've been trying to simulate various attacks in networks, using mininet-wifi emulator. For some tasks, I need to get the output of mininet-CLI commands into a file, (preferably in text format, but ...
0
votes
0
answers
242
views
Round-Robin Ryu controller for mininet
Fat tree topology
I have successfully managed to generate the topology in mininet but I am struggling to create a controller that uses Round-Robin load balancing over all available links to send ...
0
votes
1
answer
187
views
Offset buffer to another geometry
I am using the NetTopologySuite library.
We have a buffer curve from LineString at a certain distance, in this case it is 5 units. The drawing also contains regions.
My problem is to attract buffer ...
0
votes
0
answers
84
views
Containment algorithms and Convex hull algorithms to check if a point is inside the d dimensional convex hull spanned by n vectors
For n of d dimension vectors, I wanted to check if a d dimension point was inside the convex hall spanned by the d dimension vectors.
There are algorithms to compute the Convex hull algorithms, but ...
1
vote
1
answer
1k
views
KafkaStreams doesn't accept my serde in StreamsConfig
I am trying to merge data by id (Id is a String in the objects) in 2 topics and creating another topic to write the merged data. In my topology, I do not have any Properties configurations since I am ...
1
vote
2
answers
505
views
R persistence homology - identify points that generate topological features
I am using the TDA package in R and successfully running persistence homology using the gridDiag() function. I am interested in the points that are related to the loops (a.k.a. 1 dimensional ...
0
votes
0
answers
243
views
Mathematica and Sympy is unable to simplify expressions such as log(e^A) to A, and errors involving for Integrating limtis to be real
I am trying to implement a physics paper related to Quantum Computing. The part that I am implementing right now is done numerically. In this, I want to evolve the Hamiltonian H1 which is written in ...
1
vote
1
answer
675
views
Computing persistent homology Betti numbers on big data
I have a huge 3D big data (×ばつ128). I want to compute the Betti numbers for this 3D data. I tried using the moguTDA and ripser packages from Python and my kernel dies when I try computing the ...