Find and replace multiple values in python Stack Overflow
Find and replace multiple values in python Ask ion Asked 8 years 8 months ago Modified 5 years 7 months ago Viewed 11k times 12 I want to find and replace multiple values in an 1D array list with new ones In example for a list a 2 3 2 5 4 4 1 2 I would like to replace val old 1 2 3 4 5 with val new 2 3 4 5 1
Replace multiple list elements at the same time Python , 2 If you ve a python list you can do something like this toReplace 0 5 7 targetIndices 11 99 2 for i j in zip toReplace targetIndices a i b j If you ve a numpy array it s even simpler a toReplace b targetIndices i e a 0 5 7 b 11 99 2 Share Improve this answer Follow edited Oct 28 2017 at 20 50
Numpy put NumPy v1 26 Manual
Replaces specified elements of an array with given values The indexing works on the flattened target array put is roughly equivalent to a flat ind v Parameters andarray Target array indarray like Target indices interpreted as integers varray like Values to place in a at target indices
How to replace values in NumPy array by index in Python 4 Ways , To replace values in a NumPy array by index in Python use simple indexing for single values e g array 0 new value slicing for multiple values array start end new values array boolean indexing for condition based replacement array array threshold new value and fancy indexing to change specific positions array index1
Python Finding and replacing elements in a list Stack Overflow
Python Finding and replacing elements in a list Stack Overflow, 412 I have to search through a list and replace all occurrences of one element with another So far my attempts in code are getting me nowhere what is the best way to do this For example suppose my list has the following integers a 1 2 3 4 5 1 2 3 4 5 1
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Numpy place NumPy v1 26 Manual
Numpy place NumPy v1 26 Manual Parameters arrndarray Array to put data into maskarray like Boolean mask array Must have the same size as a vals1 D sequence Values to put into a Only the first N elements are used where N is the number of True values in mask
How To Remove Multiple Elements From A List In Python Python How To
To replace multiple elements in a numpy array with 1 using python you can use the numpy where function Here s an example code pythonimport numpy as PY TOPICS Popular topics Python Using List Pandas String File Django Value of Dataframe Function Numpy Converters Module Modulation Object All topics Python can Class Numbers Replace multiple elements in numpy array with 1 PythonHint. Import numpy first array numpy array 1 2 3 4 5 6 7 8 9 10 second array numpy array 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 Given these arrays How do I replace 1 2 with 0 1 0 2 and etc python arrays numpy Share Improve this ion Follow asked Jul 29 2021 at 20 46 Waffle05 13 2 1 I want to look in an array of elements If an element exceeds a certain value x replace it with another value y It could be a bunch of elements that need to be replaced Is there a function code to do this at once I don t want to use for loop Does the any function help here Thanks python 2 7 Share Improve this ion Follow
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