WebAug 24, 2011 · x(:) % getting all the elements. :note:`you get a column vector.` ans = 0 0.3491 0.6981 1.0472 1.3963 1.7453 2.0944 2.4435 2.7925 3.1416 finding part of vector. suppose we want the part of the vector where x > 2. We could do that by inspection, but there is a better way. WebSep 19, 2014 · In Matlab I can find all non zero entries in a vector like this: >> v = [0 1 0 0 1] v = 0 1 0 0 1 >> indices = find (v) indices = 2 5 Assuming that my vector v can only have 0 and 1 values, what is a simple way to reproduce v from the indices vector? matlab indexing Share Improve this question Follow edited Sep 19, 2014 at 10:25 Dan
Did you know?
WebI am looking for a condition which will return the index of a vector satisfying a condition. For example- I have a vector b = c (0.1, 0.2, 0.7, 0.9) I want to know the first index of b for which say b >0.65. In this case the answer should be 3 I tried which.min (subset (b, b > 0.65)) But this gives me 1 instead of 3. Please help r Share WebFeb 25, 2014 · If I have a row vector,what command allows me to find the indexes that exceed a certain value that I want as a threshold. For example: A =. Theme. Copy. …
WebAug 1, 2024 · I want to get the indices of similar values in a vector. For example, I have a vector x=[1 1 2 2 3]. The output should be something like this: indices = 1,2 & 3,4 1 Comment. Show Hide None. ... (0) I have the same question (0) Accepted Answer . Rob Campbell on 1 Aug 2024. Vote. 1. Link. WebConvert Logical into Sequential Index Vector. Learn more about matlab, vector, double, indexing MATLAB. Hello, I am looking for a simple way to convert a logical vector in a sequential vector of doubles whose values are the indices of true in the logical vector. For example, let's say x is a 1x8 l...
WebJun 9, 2011 · A solution using list.index: def indices (lst, element): result = [] offset = -1 while True: try: offset = lst.index (element, offset+1) except ValueError: return result result.append (offset) It's much faster than the list comprehension with enumerate, for … WebMar 10, 2024 · genindex.cpp. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software ...
WebDec 5, 2012 · import numpy as np # Create your array a = np.arange (1, 10) # a = array ( [1, 2, 3, 4, 5, 6, 7, 8, 9]) # Get the indexes/indices of elements greater than 4 idx = np.where (a > 4) [0] # idx = array ( [4, 5, 6, 7, 8]) # Get the elements of the array that are greater than 4 elts = a [a > 4] # elts = array ( [5, 6, 7, 8, 9]) # Convert idx (or elts) …
Webyou can get the sorted list and indicies by using zip: sorted_items, sorted_inds = zip (*sorted ( [ (i,e) for i,e in enumerate (my_list)], key=itemgetter (1))) – Charles L. Nov 30, 2015 at 2:58 2 @RomanBodnarchuk this doesn't work, x = [3,1,2]; numpy.argsort (x) yields [1,2,0]. – shahar_m May 14, 2024 at 8:50 smallest roto hammerWebDec 29, 2024 · If 3 is a value then B(5) > 3 so either 5 or B(5)=4 could make sense as a higher value than 3. But this is not the same decision as for the A 4 case: If you are looking for the first element in the vector that is greater than the given value, then for A you would expect to return the information corresponding to the value 5. song of myself burnsWebIn vector elements are indexed from 0 to size() – 1. To access any element in vector by index vector provides two member functions i.e. at() operator[] Let’s discuss them in … song of myself 47WebA common use for nonzero is to find the indices of an array, where a condition is True. Given an array a, the condition a > 3 is a boolean array and since False is interpreted as … smallest root of a functionhttp://matlab.cheme.cmu.edu/2011/08/24/indexing-vectors-and-arrays-in-matlab/ smallest rotary washing lineWebWhen you execute find with a relational operation like X>1, it is important to remember that the result of the relational operation is a logical matrix of ones and zeros. For example, the command [row,col,v] = find (X>1) returns a column vector of logical 1 ( true ) values for v. The substring wood occurs at indices 10 and 23 in the first character vector and … Lia = ismember(A,B,'rows') treats each row of A and each row of B as single entities … If A is a vector, then max(A) returns the maximum of A.. If A is a matrix, then … song of myself daylilyWebApr 27, 2024 · Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: . Switzerland (English) song of myself diction