All Questions
1,320 questions
0
votes
0
answers
125
views
Plotting real-time graphs using Matplotlib does not allow plotting second graph
I am reading data from serial port and based on that, plotting graphs using matplotlib.
The data from serial port is in format:
ecg 9.89 4.5 123 . . end psd 2.1, 33.2 3.4, 92.10 . . end fft 2.1, 33.2 ...
0
votes
1
answer
37
views
python - matplotlib closes window immediately
I have created a sin wave in matplotlib and when I run the code the the window opens and closes immediately without showing anything. What can I do to display the results.
import torch, time
import ...
1
vote
1
answer
34
views
Change number of ticks labeled using LogFormatter in Matplotlib
In Matplotlib's documentation for matplotlib.ticker.LogFormatter it is stated that with the parameter minor_thresholds one can control the labeling of minor ticks:
If labelOnlyBase is False, these ...
- 35
3
votes
2
answers
58
views
Subplot four-pack under another subplot the size of the four-pack [duplicate]
I want to make a matplotlib figure that has two components:
A 2x2 "four pack" of subplots in the lower half of the figure
A subplot above the four pack that is the size of the four pack.
I ...
- 490
0
votes
2
answers
317
views
Building gauge chart in Python with matplotlib [duplicate]
I am attempting to follow this tutorial to create a roughly semi-circle gauge chart with matplotlib. However, my figure contains several different charts - it is being created via a line like:
fig, ax ...
- 15
1
vote
1
answer
45
views
How to draw the horizontal and vertical lines for every value of x and y ticks with a specific opacity? (in the background) [duplicate]
x = [value for value in df['YEAR']]
y1 = [value for value in df['ANNUAL']]
y2 = [df['ANNUAL'].mean()]*(len(x))
fig = plt.figure(figsize=(8,5))
plt.plot(x,y1,label='Annual rainfall',color='blue')
plt....
5
votes
3
answers
246
views
How can I save a figure to PDF with a specific page size and padding?
I have generated a matplotlib figure that I want to save to a PDF. So far, this is straightforward.
import matplotlib.pyplot as plt
x = [1, 2, 3, 4]
y = [3, 5, 4, 7]
plt.scatter(x, y)
plt.savefig(
...
- 490
-1
votes
1
answer
39
views
What to do with `matplotlib` graphs given in a list that a function returns (or what is an alternative function architecture)?
I have a function that works something like this.
import numpy as np
import matplotlib.pyplot as plt
def plot_from_dave(n = 100, r = 10):
my_list = []
for i in range(r):
...
- 490
1
vote
0
answers
81
views
Rotating matplotlib subplot with additional axes
I am currently struggling to create a 3-panel figure where the centre plot contains a contour plot and the top left and right panels show some lines. The thing is that all the plots are rotated 45 ...
- 11
0
votes
1
answer
63
views
Visualization of Graphs Data [closed]
I need to visualize graphs where each pair of nodes connected by a comma represents an edge, and the numeric value represents the intensity of that edge. For instance, ('A', 'B'): 0.71 means that node ...
- 762
2
votes
1
answer
40
views
Unable to set the y position / interval of lines in plot
The following produces a lot of rows of lines. I want the vertical gaps between the rows of lines to be much smaller though i.e. all the rows moved down apart from the lowest. I can't for the life of ...
- 171
0
votes
2
answers
69
views
SymPy - plot differential equation graph
I get error when trying to plot a graph : TypeError: Cannot convert expression to float
I also get empty graph:
from sympy import *
from IPython.display import display
init_printing()
import ...
- 3
-2
votes
1
answer
148
views
Sklearn module missing and unsure what to use instead?
I'm currently following this guide https://www.geeksforgeeks.org/rainfall-prediction-using-machine-learning-python/
However. I am getting this error for the following lines of code.
for i in range(3):
...
- 3
0
votes
1
answer
69
views
Unable to get pie chart to correctly format with matplotlib
my code is this:
plt.pie(df['Rainfall'].value_counts().values,
labels = df['Rainfall'].value_counts().index,
autopct='%1.1f%%')
plt.show()
df.groupby('Rainfall').mean()
...
- 3
0
votes
1
answer
42
views
Setting x-axis data in data visualization using matplotlib is not working properly
I'm using a CSV file and want to put the date data as it appears in the table directly on the x-axis of the graph, but the x-axis data in my graph is displayed incorrectly. Which part of my code could ...
