Recent questions tagged Matplotlib

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matplotlib - Resampling irregularly spaced data to a regular grid in Python

I need to resample 2D-data to a regular grid. This is what my code looks like: import matplotlib.mlab as ml ... what I am doing wrong? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - How to plot ROC curve in Python

I am trying to plot a ROC curve to evaluate the accuracy of a prediction model I developed in Python using logistic ... . How could I do that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Many plots in less time - python

I have about 50 000 columns I want to plot in the same figure. Here is the code I use: # "Xaxis" is a ... the process/reduce the time ? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Pyplot sorting y-values automatically

I have a frequency analysis of words said in episodes of my favorite show. I'm making a plot.barh(s1e1_y, ... 8) plot.barh(s1e1_x, s1e1_y) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Python saving multiple figures into one PDF file

In python (for one figure created in a GUI) I was able to save the figure under .jpg and also .pdf by ... . Can anybody please help with this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - multiple plot in one figure in Python

I am new to python and am trying to plot multiple lines in the same figure using matplotlib. Value of my Y ... line plotting? Thanks a lot! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Python - Legend overlaps with the pie chart

Using matplotlib in python. The legend overlaps with my pie chart. Tried various options for "loc" such as "best" ... least make sure that it does not overlap? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Python : 2d contour plot from 3 lists : x, y and rho?

I have a simple problem in python and matplotlib. I have 3 lists : x, y and rho with rho[i] a density at ... and rho have between 10,000 and 1,000,000 elements Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Get default line colour cycle

I noticed when you plot that the first line is blue, then green, then red, and so on. Is there ... list of colours that matplotlib cycles through by default. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - How to make two plots side-by-side using Python?

I found the following example on matplotlib: import numpy as np import matplotlib.pyplot as plt x1 = np.linspace(0. ... change, to have the plots side-by-side? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - pyplot - copy an axes content and show it in a new figure

let say I have this code: num_rows = 10 num_cols = 1 fig, axs = plt.subplots(num_rows, num_cols, sharex=True) for ... there must be a nicer way to do it thanks Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Can't install new packages for Python (Python 3.9.0, Windows 10)

In order to upgrade and clean up, I have reset my PC and installed Windows 10. ... '64_')] c:usersmajklappdatalocalprogramspythonpython39libdistutilsdist.py:274: UserWarn...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Pandas bar plot changes date format

I have a simple stacked line plot that has exactly the date format I want magically set when using the following code ... ) df_ts.plot(kind='bar', stacked=True) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Aligning rotated xticklabels with their respective xticks

Check the x axis of the figure below. How can I move the labels a bit to the left so that they ... be the only value allowed for the rotation_mode parameter. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Annotate data points while plotting from Pandas DataFrame

I would like to annotate the data points with their values next to the points on the plot. The examples I ... all the points for a multi-column DataFrame? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib strings as labels on x axis

I am building a small tool for data analysis and I have come to the point, where I have to plot the ... trying to achieve. This would also help me alot. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Relationship between dpi and figure size

I have created a figure using matplotlib but I have realised the plot axis and the drawn line gets zoomed ... therefore is, what configurations are going wrong? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - How to maximize a plt.show() window using Python

Just for curiosity I would like to know how to do this in the code below. I have been searching for an answer but ... plt.ylabel('algo') plt.grid() plt.show() Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Label python data points on plot

I searched for ages (hours which is like ages) to find the answer to a really annoying (seemingly basic) problem, ... better than nothing which is what I had.. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - python: how to plot one line in different colors

I have two list as below: latt=[42.0,41.978567980875397,41.96622693388357,41.963791391892457,...,41.972407378075879] ... it a unique color. what should I do? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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matplotlib - Intersection of two graphs in Python, find the x value

Let 0 <= x <= 1. I have two columns f and g of length 5000 respectively. Now I plot: plt.plot(x, f, '-') plt. ... g. I can do it simply with: set(f) & set(g) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - What's the fastest way of checking if a point is inside a polygon in python

I found two main methods to look if a point belongs inside a polygon. One is using the ray tracing method ... a package just devoted to these kind of problems Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - set ticks with logarithmic scale

It seems that the set_xticks is not working in log scale: from matplotlib import pyplot as plt fig1, ax1 = plt.subplots ... , 500]) plt.show() is it possible? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Scatter plot and Color mapping in Python

I have a range of points x and y stored in numpy arrays. Those represent x(t) and y(t) where t=0...T-1 ... the numpy arrays) What is the easiest way to do so? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - pyplot scatter plot marker size

In the pyplot document for scatter plot: matplotlib.pyplot.scatter(x, y, s=20, c='b', marker='o', cmap=None ... want to figure out what does the s number mean. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - How can I convert an RGB image into grayscale in Python?

I'm trying to use matplotlib to read in an RGB image and convert it to grayscale. In matlab I use this: img = rgb2gray( ... 0.5870 * g + 0.1140 * b return gray Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - How do I plot multiple time series grouped by different colours?

I am trying to have a single graph displaying a 10 series. These are divided in group such as this simple ... /how-do-i-plot-multiple-time-series-grouped-by-different-colours...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matplotlib - Python plot not starting from center

I want to draw a plot inside tkinter using Animation function of matplotlib. Now I save the x and y ... //stackoverflow.com/questions/65842190/python-plot-not-starting-from-center...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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