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


2 answers
318 views
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Overlapping sound data with Numpy

The graph that appears to be the sum of the elements by calculating the sum of the numpy arrays in Python was affected.In order to avoid this, I would like to use something from numpy to superimpose t...

1 years ago

1 answers
357 views
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Cannot read matrix from file and calculate mean.: TypeError: cannot perform redundancy with flexible type

I would like to calculate the average value of each line in the following files using Python.A=8×8 matrixSo I wrote the following code, but it turned out to be an error.What should I do?code:import nu...

1 years ago

1 answers
255 views
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I want to spin multiple dataframes with a for statement

df_1,df_2,df_3 and all columns are the same.df_1['year'].shapedf_2['year'].shapedf_3['year'].shapeYou want to spin the above with the for statement, for in (1,2,3): df_(i)['year'].shapeI'd like to do ...


1 answers
277 views
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I want to make eight shapes (6,1) data in python 3 in the form (8,6)

Could someone tell me how to convert 8 Shape (6,1) data into (8,6) data?For example print(A.shape) is (6, 1)(6, 1)(6, 1)(6, 1)(6, 1)(6, 1)(6, 1)(6, 1)to becomeprint(B.shape)(8,6)I'd like to do somethi...

1 years ago

1 answers
105 views
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I want to calculate the inner product of Navra.

I would like to calculate the inner product ··b using ((nabra), but how can I do it from here?I want to print 3.import numpy as npx = Symbol ('x')y = Symbol('y')z = Symbol ('z')del_x = np.gradient(,dx...

1 years ago

1 answers
59 views
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How do I create a one-dimensional array of squares and sum of the differences between the two four-dimensional arrays?

What I want to do is to take the difference between the time and positional coordinates and see the growth rate by time.data1=[t,x,y,z]data2 = [t, x, y, z]So I thought it would be good to take the dif...

1 years ago

2 answers
80 views
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Use python to manipulate multiple csv data

I would like to use python to put the two csv files together.istlist1 brroute_node,X,Y50775,-7882.7599,-43837.405850774,-7886.58284,-43851.1268650772,-7895.8552,-43835.9677istlist2 brid,x,y57136, -101...

1 years ago

1 answers
57 views
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About Adding Columns in Numpy

I would like to add 0 to all columns for the array defined below.What should I do? (before adding 0)arr = np.array ([1, 2, 3], [4, 5, 6], [7, 8, 9])arrarray([1,2,3], [4, 5, 6], [7, 8, 9]])What do yo...

1 years ago

3 answers
109 views
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Understanding How to Obtain Coordinates from Graphs

Currently, I was going to use where in fill_between, but I couldn't because the x coordinates and the number of data are different.(x1,z1) = 15 points(x2,z2) = 3031 pointsBelow is the program.f1=np.lo...


1 answers
95 views
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AttributeError: module 'numpy' has no attribute 'bool_'

Virtualbox Ubuntu In Python Interactive Modeimport tensorflowI typed AttributeError: module 'numpy' has no attribute 'bool_'The error appears.When I entered import numpy, there was no error.Please let...

1 years ago
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