NumPy is an extension of the Python language that adds support to large multidimensional arrays and matrixes, along with a large library of high-level mathematical functions for operations with these arrays.
Using standard Python arrays, I can do the following: arr = [] arr.append([1,2,3]) arr.append([4,5,6]) # arr is now [[1,2,3],[4,5,6]] However, I cannot …
python numpy scipyHow do I convert a simple list of lists into a numpy array? The rows are individual sublists and each …
python list numpyI am trying to install python and a series of packages onto a 64bit windows 7 desktop. I have installed Python 3.4, …
python windows python-3.x numpy pipI have a bunch of MATLAB code from my MS thesis which I now want to convert to Python (using …
python matlab numpy matplotlib scipyIn matlab I use a=[1,4,6] b=[1,2,3] corr(a,b) which returns .9934. I've tried numpy.correlate but it returns something completely …
python numpyIf I have a numpy dtype, how do I automatically convert it to its closest python data type? For example, …
python numpyI have a list of 3-tuples representing a set of points in 3D space. I want to plot a surface …
python numpy matplotlib surfaceFrom the Udacity's deep learning class, the softmax of y_i is simply the exponential divided by the sum of …
python numpy machine-learning logistic-regression softmaxI have two matrices a = np.matrix([[1,2], [3,4]]) b = np.matrix([[5,6], [7,8]]) and I want to get the element-wise product, [[1*5,2*6], [3*7,4*8]], equaling [[5,12], [21,32]] I …
python numpy matrix matrix-multiplication elementwise-operations