image information along a polar coordinate system?
I have a set of png images that I would like to process with Python and associated tools. Each image represents a ph...
How to detect black shaped contour on photo with OpenCV-Python?
I am trying to detect black shape on photo like this. So far i have picture with shape but still on there is man...
Omit joining lines in matplotlib plot e.g. y = tan(x)?
I have the graph y = tan(x) and I want to remove the vertical lines (see below). Here is my code: import numpy as ...
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...
Transpose of a vector using numpy?
I am having an issue with Ipython - Numpy. I want to do the following operation: x^T.x with and x^T the transpos...
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...
How to Cut an Image Vertically into Two Equal Sized Images?
So I have an 800 x 600 image that I want to cut vertically into two equally sized pictures using OpenCV 3.1.0. This ...
3D Array in Python with mutliple data types?
I need to create a 3D array in numpy which has multiple data types. arr[int][str][int] I have tried using np.ne...
Very Basic Numpy array dimension visualization?
I'm a beginner to numpy with no experience in matrices. I understand basic 1d and 2d arrays but I'm having trouble v...
np arrays being immutable - “assignment destination is read-only”?
FD** - I am a Python newb as well as a stack overflow newb as you can tell. I have edited the question based on comm...
Official abbreviation for: import scipy as sp/sc?
I've seen both: import scipy as sp and: import scipy as sc Is there an official preference listed anywhere? ...
python - invalid value encountered in log?
I have the following expression: log = np.sum(np.nan_to_num(-y*np.log(a+ 1e-7)-(1-y)*np.log(1-a+ 1e-7))) it is givi...
Pandas read_csv low_memory and dtype options?
When calling df = pd.read_csv('somefile.csv') I get: /Users/josh/anaconda/envs/py27/lib/python2.7/site-packag...
'list' object has no attribute 'shape'?
how to create an array to numpy array? def test(X, N): [n,T] = X.shape print "n : ", n print "T : ", T ...