scipy

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scipy.stats.spearmanr: Warning: divide by zero encountered in divide

I use scipy.stats.spearmanr(a,b) and I get: Warning: divide by zero encountered in divide The operation ends corr开发者_如何学Cectly, but the warning is displayed. Both a and b are \"normal\" data,[详细]

2023-03-27 10:31 分类：问答
Computing cross-correlation function?

In R, I am using ccf or acf to compute the pair-wise cross-correl开发者_如何转开发ation function so that I can find out which shift gives me the maximum value. From the looks of it, R gives me a norma[详细]

2023-03-27 04:13 分类：问答
how to create an array of specified dimension of specific type initialized with same value in python?

I wanna create some array in python of array of specified dimension of specific type initialized with same value. i can use numpy arrays of specific size but I am not sure how to initialize them with[详细]

2023-03-26 18:55 分类：问答
performing sum of outer products on sparse matrices

I am trying to implement the following equation using scipy\'s sparse package: W = x[:,1] * y[:,1].T + x[:,2] * y[:,2].T + ...[详细]

2023-03-26 12:01 分类：问答
Scipy Leastsq Optional Output Variable (Mesg)

SciPy\'s documentation on LeastSq is here. It states that ier is An integer flag. If it is equal to 1, 2, 3 or 4, the solution was found. Otherwise, the solution was not found. In either case, the o[详细]

2023-03-26 04:49 分类：问答
Installing SciPy on Mac OS Lion in Virtualenv

I am trying to install scipy in my vertualenv on mac. Python using in virtualenv: (Django)miki725mac:Django miki725$ python[详细]

2023-03-26 02:38 分类：问答
Scipy - data interpolation from one irregular grid to another irregular spaced grid

I am struggling with the interpolation between two grids, and I couldn\'t find an appropriate solution for my problem.[详细]

2023-03-25 23:29 分类：问答
Difference between scipy.spatial.KDTree and scipy.spatial.cKDTree

What is the difference between these two开发者_StackOverflow algorithms?cKDTree is a subset of KDTree, implemented in C++ wrapped in Cython, so therefore faster.[详细]

2023-03-25 20:41 分类：问答
ImportError: No module named array_import -----scipy

I am facing problem with importing io module in scipy and python shell shows an error as following. import scipy.io.array_import[详细]

2023-03-25 20:20 分类：问答
How to obtain the gradient of a scipy interpolant directly?

I have a largish 3D numpy array of scalar values (OK call it a \"volume\" if you must).I want to interpolate a smooth scalar field over this at a succession of irregular, not all[详细]

2023-03-25 16:54 分类：问答