numpy tag

NumPy (pronounced /ˈnʌmpaɪ/ (NUM-py) or sometimes /ˈnʌmpi/ (NUM-pee)) is a library for the Python programming language, adding support for large, multi-dimensional arrays and matrices, along with a large collection of high-level mathematical functions to operate on these arrays. The ancestor of NumPy, Numeric, was originally created by Jim Hugunin with contributions from several other developers. In 2005, Travis Oliphant created NumPy by incorporating features of the competing Numarray into Numeric, with extensive modifications. NumPy is open-source software and has many contributors. NumPy is a NumFOCUS fiscally sponsored project.

Reference: WIKIPEDIA

137 questions


1 answers
239 views
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Accelerated integration and linear storage processing in pandas, numpy

I'm creating software for numerical analysis on Python, but it takes time and I want to speed it up.After analyzing with cProfile, we found that the following two functions, integr() and scipy's inter...

1 years ago

1 answers
380 views
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Python dataframe variant code question) I want to clone row with the same value

I want to make a data frame that looks like the top one like the bottom one. What should I do now?https://kin.naver.com/qna/detail.naver?d1id=1&dirId=104&docId=429520356I'm sharing the link th...

1 years ago

1 answers
380 views
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What is the difference between libraries and frameworks?

What is the difference between a library and a framework?When I was studying for the G test NumPyscikit-learnappeared in both the library description and the framework description.Do both happen to sp...

1 years ago

1 answers
318 views
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I don't know why the number of elements changes when the type is converted to dtype view

I don't know why the number of elements changes when the type is converted to numpy type view arr = np.zeros(2, dtype=np.uint16)arrarray([0, 0], dtype=np.uint16)arr.view(np.uint8)array([0, 0, 0, 0], d...

1 years ago

1 answers
341 views
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I want to change the number according to the value of a specific axis.

I would like to use python's numpy to change the process according to the specific axis value.For example, if there is a a[3][3][3] ndarray like the following,[[0 12] [ 3 4 5] [ 6 7 8]] [[ 9 10 11] [1...

1 years ago

1 answers
329 views
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Standard deviation results do not meet expectations

Assume you are given an array of percentages:test=np.array([1.0, 1.0, 1.0, 0.8571428571428571, 0.7142857142857143, 0.8571428571428571, 0.8571428571, 1.0, 1.0]) * 100If you calculate the average value ...

1 years ago

1 answers
323 views
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Standard deviation results do not meet expectations

Assume you are given an array of percentages:test=np.array([1.0, 1.0, 1.0, 0.8571428571428571, 0.7142857142857143, 0.8571428571428571, 0.8571428571, 1.0, 1.0]) * 100If you calculate the average value ...

1 years ago

1 answers
406 views
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python —Something is wrong with the standard deviation.

Assume you are given an array that shows the following percentages:test=np.array([1.0, 1.0, 1.0, 0.8571428571428571, 0.7142857142857143, 0.8571428571428571, 0.8571428571, 1.0, 1.0]) * 100If you calcul...

1 years ago

1 answers
463 views
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I want to create a three-dimensional graph using python and csv files.

I would like to create a 3D graph using python and csv files.The goal is to create a three-dimensional graph using CSV files such as images.(It is opened in Excel, so it is divided into cells accordin...


1 answers
400 views
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I want to fix the unexpected EOF while parsing error

Currently, I am using a library called [bindnet][1] to create a Recurrent Spiking Neuralnet, and I would like to load the training data (npz file) (values of x and y) for simulation, but when I try to...

1 years ago
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