numpy
Python left multiplication of of a matrix with inverse of a sparse matrix
I\'m trying to calculate an expression of the form K = P*C.T*S^-1 (implementation of a Kalman filter)[详细]
2023-04-12 20:27 分类：问答Python C Extension with Numpy
I\'m trying to create a C Extension for Python with Numpy and have some problems reading the data from Numpy in my C code.[详细]
2023-04-12 19:12 分类：问答how to convert regular numpy array to record array?
I read in a sequence of numbers with np.array(f.read().split(),dtype=np.float64) Then I convert this to a 2-D array using np.reshape().[详细]
2023-04-12 17:47 分类：问答numpy ndarrays: row-wise and column-wise operations
If I wanted开发者_Python百科 to apply a function row-wise (or column-wise) to an ndarray, do I look to ufuncs (doesn\'t seem like it) or some type of array broadcasting (not what I\'m looking for eith[详细]
2023-04-12 15:53 分类：问答Interpolating a 3d array in Python. How to avoid for loops?
I have an array which I want to interpolate over the 1st axes. At the moment I am doing it like this example:[详细]
2023-04-12 15:27 分类：问答how to convert 2d list to 2d numpy array?
I have a 2D list something like a = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] and I want to convert it to a 2d numpy array. Can we do it without allocating memory like[详细]
2023-04-12 14:41 分类：问答Broke my python build while adding numpy
While trying to build my python by adding numpy to it I managed to have created problems somewhere. Now, even though I have numpy and other packages like Beautiful开发者_如何学编程Soup installed, I\'m[详细]
2023-04-12 12:05 分类：问答typecasting PyArrayObject data to a C array
I want to work with my Numpy arrays in a C extension. Many examples in this case uses the structure of PyArrayObject,[详细]
2023-04-12 08:56 分类：问答how to detect if a point lies in a non-rectangular region in a 2D numpy array?
I have a 2D array. Lets suppose tha开发者_开发问答t it has some connected region which is non rectangular. Consider the following example[详细]
2023-04-12 08:46 分类：问答PyArray_BOOL declaration & working with Numpy array of bools in C extension
I have a NumPy array of bools in my code that I wish to write a C extension to. When I try to get a contiguous array in order to use in my C routine, I use:[详细]
2023-04-12 08:42 分类：问答
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