61
votes
10
answers
960
views
Fitting empirical distribution to theoretical ones with Scipy (Python)?
INTRODUCTION: I have a list of more than 30,000 integer values ranging from 0 to 47, inclusive, e.g.[0,0,0,0,.
43
votes
7
answers
2.6K
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
I have a set of data and I want to compare which line describes it best (polynomials of different orders, expo
62
votes
15
answers
1.6K
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Installing SciPy with pip
It is possible to install NumPy with pip using pip install numpy. Is there a similar possibility with SciPy?
59
votes
12
answers
2.3K
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Read .mat files in Python
Is it possible to read binary MATLAB .mat files in Python? I've seen that SciPy has alleged support for
52
votes
2
answers
2.2K
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Why does this Jython loop fail after a single run?
I've got the following code: public static String getVersion() { PythonInterpreter interpreter = ne
54
votes
3
answers
2.7K
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How to catch an exception in python and get a reference to the exception, WITHOUT knowing the type?
I'm wondering how I can catch any raised object (i.e. a type that does not extend Exception), and still g
56
votes
6
answers
2.5K
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Migrating from CPython to Jython
I'm considering moving my code (around 30K LOC) from CPython to Jython, so that I could have better integ
57
votes
10
answers
596
views
How do I convert a numpy array to (and display) an image?
I have created an array thusly: import numpy as np data = np.zeros( (512,512,3), dtype=np.uint8) data[256,256
53
votes
5
answers
2.6K
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What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the num
58
votes
6
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1.9K
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Concatenating two one-dimensional NumPy arrays
I have two simple one-dimensional arrays in NumPy. I should be able to concatenate them using numpy.concatenat
47
votes
17
answers
2.5K
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How do I check which version of NumPy I'm using?
How can I check which version of NumPy I'm using? (FYI this question has been edited because both the qu
50
votes
7
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1.3K
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Comparing two NumPy arrays for equality, element-wise
What is the simplest way to compare two NumPy arrays for equality (where equality is defined as: A = B iff for
54
votes
3
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2.6K
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What is the difference between flatten and ravel functions in numpy?
import numpy as np y = np.array(((1,2,3),(4,5,6),(7,8,9))) OUTPUT: print(y.flatten()) [1 2 3 4 5 6
54
votes
7
answers
1.3K
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Difference between numpy.array shape (R, 1) and (R,)
In numpy, some of the operations return in shape (R, 1) but some return (R,). This will make matrix multiplica
69
votes
7
answers
438
views
What is the purpose of meshgrid in Python / NumPy?
Can someone explain to me what is the purpose of meshgrid function in Numpy? I know it creates some kind of gr
66
votes
3
answers
410
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Simple Digit Recognition OCR in OpenCV-Python
I am trying to implement a "Digit Recognition OCR" in OpenCV-Python (cv2). It is just for learning purposes. I
65
votes
8
answers
412
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Numpy array dimensions
I'm currently trying to learn Numpy and Python. Given the following array: import numpy as np a = np.arr
55
votes
17
answers
1.5K
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How to find all occurrences of an element in a list
index() will give the first occurrence of an item in a list. Is there a neat trick which returns all indices i
47
votes
30
answers
794
views
How to count the occurrence of certain item in an ndarray?
In Python, I have an ndarray y that is printed as array([0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1]) I'm trying
57
votes
21
answers
1.9K
views
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
