python - Invert colors when plotting a PNG file using matplotlib - Stack Overflow

I'm trying to display a PNG file using matplotlib and of course, python. For this test, I've generated the following image: Now, I load and transform the image into a multidimensional numpy matrix:

Python Plotting With Matplotlib (Guide) – Real Python

Bug]: invert_yaxis function cannot invert the over value in colorbar axes · Issue #22052 · matplotlib/matplotlib · GitHub

Power BI - Format Line and Stacked Column Chart - GeeksforGeeks

OUseful.Info, the blog… – Page 4 – Trying to find useful things to do with emerging technologies in open education and data journalism. Snarky and sweary to anyone who emails to offer

Simple Linear Regression, linear Model, principal Component Analysis, xkcd, regression, overflow, stack Overflow, Informatics, Cartesian coordinate system, stack

Is there a Black or Dark theme for Mathematica? - Quora

PDF) Tell them apart: distilling technology differences from crowd-scale comparison discussions

Exploratory Data Analysis on StackOverflow Developer Survey 2020, by AceYourGrace, CodeX

What to Prototype in 2020 to be on Top of Your Game?