191 questions
I was writing a code to learn whether the x,y coordinates entered into the neural network in python 3 are located above or below the sin curve, but an error occurred and I couldn't move forward and hi...
(Two answers) Last yearI have a matrix list of 100x3 as shown below.There are two things you would like to do with this matrix:·I would like to randomly extract two lines at any number of times (e...
I would like to create the following functions, but I would like to know how to loop any number of times.1. As an argument, take two functions: (1) an arbitrary number of dimensions of numpy array, an...
We are currently calculating the inverse matrix required for simulation in python.The data is stored in variable A of type ndarray,dtype=np.float64, where A is approximately 400x400 matrix.We found th...
Hello, I have a question about python's numpy.When calculating the correlation coefficient, you can calculate it using numpy.corrcoef, but to verify the formula, cov/(numpy.std(X)*numpy.cov(X)*numpy.n...
Please tell me how to do the following calculations at high speed.import numpy as np# It's actually about 100,000 long.a = np.array([1, 2, 3], [4, 5, 6]])# It's about 100,000 feet long.b=np.array([[1,...
I would like to remove the line containing Yokohama from the 2D array below.arr=[ ['AA', 'BB', 'CC',] ['Lemon', '30', 'Tokyo',] ['Lemon', '20', 'Osaka'], ['Lemon', '10', 'Yokohama',] [Peach, 15, Tokyo...
environmentmacos 10.9.5python 2.7.5Numpy 1.11.0gunicorn 19.3.0 What's troubling youI use virtualenv to run python code, but every time I update python code, it becomes importer error numpy.core.multia...
I would like to achieve matrix product operations for each of the following elements in MATLAB that Python numpy.einsum can achieve.import numpy as npa=np.array([[1,2],[3,4]],[[1,3],[-3,1]]]])b=np.arr...
I am having trouble knowing the behavior of the unique() method of numpy at all.import numpy as nplist_with_dupes=[1, 5, 6, 2, 5, 6, 8, 3, 3, 3, 7, 9]# (array([1, 2, 3, 5, 6, 7, 8, 9]) Returns an inde...
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596 GDB gets version error when attempting to debug with the Presense SDK (IDE)
566 rails db:create error: Could not find mysql2-0.5.4 in any of the sources
884 When building Fast API+Uvicorn environment with PyInstaller, console=False results in an error
567 Who developed the "avformat-59.dll" that comes with FFmpeg?
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