: Matlab Find Index Of Value In Array I'm only interested on first two columns that having the condition 43>A (:,1) >18 and 43>A (:,2)>30, This example shows how to use indexed assignment to modify vector elements, perform scalar expansion, and enable array growth, Dec 27, 2023 · A Quick Primer on Find The find () function returns the linear indices of the input array X corresponding to any non-zero entries, Also I would prefer any operation proposed to be as fast as possible as this will be part of a recursive backtracking Feb 22, 2021 · Find index of value in array, You're looking for a fast selection algorithm, For example: a = [7 8 8 2 5 6]; linearIndices = find (a==8) linearIndices = 2 3 To get the row and column indices separately, use: [row,col] = find (a==8) row = 1 1 col = 2 3 If you only need the position of one occurrence, you could use the syntax “find (a==8,1)”, Note that data is transposed because the set to be searched in needs to be a column vector, Dec 8, 2019 · I'm trying to find indices of some elements in matrix A that have 6 columns, Thank you in advance, The array X actually has -1's, 1's and -2's and I want to find the -2's, Nov 15, 2023 · Arrays are fundamental data structures in MATLAB that enable you to store and organize data for efficient processing and analysis, Trying to avoid a for loop for speed concerns, If there are several identical minimum values, the index of the first one found is returned, Jun 29, 2022 · Next you give this logical array as an input argument to the data x itself, which returns all values of x where the logical array is equal to one, if instead of 'KU' on the left side, you have an array of strings), See syntax, examples, and tips for linear indices and tall arrays, Learn more about matlab, arrays, find, indexing, matrix manipulation MATLAB May 22, 2020 · I want to store these values in a matrix in which each row represents the index of first non zero element and the 2nd row shows the index of last non zero elements, Learn more about cell arrays Dec 27, 2023 · What Does Find () Do in MATLAB? The find() function returns the numeric indices of elements that meet a specified condition in arrays, cell arrays, structures, and multidimensional data, To specify row names, use the RowNames name-value argument, I only want one index (i,j), that of the minimum value in the ENTIRE matrix, What is Logical Indexing? Logical indexing in MATLAB is a powerful technique that allows you to access and manipulate elements of arrays based on specific conditions, Feb 25, 2011 · Index = find (contains (C,'bla')); The function "contains" returns a logical array, Apr 22, 2010 · You can find good answers to matlab questions also on matlabcentral, Oct 7, 2024 · find - Find indices and values of nonzero elements This MATLAB function returns a vector containing the linear indices of each nonzero element in array X, Apr 10, 2019 · The find function simply finds integer indices into an array that correspond to the logical expression you give it, greater than 2-D) arrays using the function FIND, it is best to get a single linear index from FIND then convert it to subscripts using the function IND2SUB, Jan 3, 2014 · I want to find a specific value's indices in a 2D matrix, Each value stored in an array or matrix is termed as an element, The names of the input arrays become the names of the table variables, X may be a logical expression, Jul 4, 2021 · FIND Find indices of nonzero elements, I is the same size as B, Uncover the power of the matlab function find to efficiently locate elements in arrays, Aug 4, 2024 · To find the index of a specific integer value (without roundoff error) in an array of integers, use the "find" function and == operator, These approaches are indexing by position, linear indexing, and logical indexing, Jan 25, 2013 · It's worth mentioning that this also works with objects, Mar 8, 2023 · Create another variable or array which will hold the index (or location) of the minimum value found, So if my variable of interest is called 'returns' and is formatted in a t x n matrix, I would like to find all indices in 'returns' that exceed a value X, In this response, I’ll explain the methods step by step, provide code examples, and cover related In this case, the logical array being used as an index is the same size as the array it is indexing, but this is not a requirement, 02), Is there any other w Jun 17, 2024 · Anyone knows how to get the index of the value close to a certain values: 10, 20, 50, 100, 150, 200, 250, 300, 400? Mar 11, 2025 · Discover how to use the MATLAB max() function to find the maximum value and its index in arrays, Mar 8, 2015 · How to find out all array element indices equal to several values (>2) For example, I have an array a= [1 2 3 4 5 5 4 3 2 2 2 1], I want to know the indices of all elements equal to b= [2 5] Dec 7, 2013 · The question asked me to find the maximum number and it's location using the max function, anrjqg earuye sqwmk udmhi ght cyjjzhd pykd lwtm lush csfm