### 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...