Turn grid into a checkerboard pattern in python??

I have successfully created a grid, but am now trying to turn my grid into a checkerboard pattern, preferably using ...

Coloring only the inside of a shape?

Lets say that you are given this image and are given the instruction to programmatically color only the inside of...

python: Quadratic correlation?

My question is the following. Assuming I have these two arrays: import numpy as np x1 = np.array([1,2,3,4,5,6,5,5,4...

How to smooth a curve in the right way??

Lets assume we have a dataset which might be given approximately by import numpy as np x = np.linspace(0,2*np.pi,10...

Making a fractal graph using a 2D array??

Found this exercise online to practice Python3, and I am almost done, but it doesn't give the result advertised. B...

Strings in a DataFrame, but dtype is object?

Why does Pandas tell me that I have objects, although every item in the selected column is a string — even after e...

How to print the full NumPy array, without truncation??

When I print a numpy array, I get a truncated representation, but I want the full array. Is there any way to do th...

Mean Squared Error in Numpy??

Is there a method in numpy for calculating the Mean Squared Error between two matrices? I've tried searching but fo...

Mean Squared Error in Numpy??

Is there a method in numpy for calculating the Mean Squared Error between two matrices? I've tried searching but fo...

Numpy matrix to array?

I am using numpy. I have a matrix with 1 column and N rows and I want to get an array from with N elements. For exa...

How to plot vectors in python using matplotlib?

I am taking a course on linear algebra and I want to visualize the vectors in action, such as vector addition, norma...

Finding local maxima/minima with Numpy in a 1D numpy array?

Can you suggest a module function from numpy/scipy that can find local maxima/minima in a 1D numpy array? Obviously ...

Plot 4D graph in python2.7?

I want to plot red, blue and green colors on the three axis and an array which stores the value corresoding to each ...

How to detect if numpy is installed?

I'm writing Python code. I want to check if numpy and wxpython are installed on machine. How to do that?? ...

OS X - Deciding between anaconda and homebrew Python environments?

I use Python extensively on my Mac OS X, for both numerical applications and web development (roughly equally). I ch...