How do I find an element in an array in MATLAB?
Andrew Mclaughlin
Updated on March 01, 2026
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- You can use the “find” function to return the positions corresponding to an array element value. For example:
- To get the row and column indices separately, use:
- If you only need the position of one occurrence, you could use the syntax “find(a==8,1)”.
How do I see the contents of a cell in MATLAB?
Display the contents of each cell using the celldisp function. celldisp also displays the curly-brace indexing you can use to index into cells. The last cell contains a cell array. celldisp also displays the contents of each cell from the inner cell array.
What is the cell function in MATLAB?
To create a cell array with a specified size, use the cell function, described below. You can use cell to preallocate a cell array to which you assign data later. cell also converts certain types of Java®, . NET, and Python® data structures to cell arrays of equivalent MATLAB® objects.
How does Cellfun work in MATLAB?
Description. A = cellfun( func , C ) applies the function func to the contents of each cell of cell array C , one cell at a time. cellfun then concatenates the outputs from func into the output array A , so that for the i th element of C , A(i) = func(C{i}) .
How do you find an element in an array?
Let’s check them out in brief.
- The find() method. The Array find() method returns the first matched element in array that satisfies a condition.
- The findIndex() method.
- The includes() method.
- The indexOf() method.
- The lastIndexOf method.
- Looping through Array elements and find.
- Using map() method.
- Using filter() method.
How do I get an element in MATLAB?
To access elements in a range of rows or columns, use the colon . For example, access the elements in the first through third row and the second through fourth column of A . An alternative way to compute r is to use the keyword end to specify the second column through the last column.
How do I find a specific element in Matlab?
To find a specific integer value, use the == operator. For instance, find the element equal to 13 in a 1-by-10 vector of odd integers. To find a noninteger value, use a tolerance value based on your data.
How do you find something in a string in Matlab?
Output Arguments If str is a cell array of character vectors or a string array, k is a cell array. For each piece of text in str , the corresponding cell of k contains a vector of doubles indicating the index of each occurrence of pat .
What is a correct method to sort the elements of an array?
By default, the sort() method sorts the array elements in ascending order with the smallest value first and largest value last. The sort() method casts elements to strings and compares the strings to determine the orders.
How to determine if an array is a cell array in MATLAB?
We can determine if the array declared is a cell array or not by using iscell () function in Matlab. It returns a logical value that is 1 or 0 depending on the type of array in the input argument. If the array is a cell array, then it returns logical 1 (True) and if it is not then it returns logical 0 (False).
What will I See in my Activity Feed in MATLAB Central?
– MATLAB Answers – MATLAB Central You will see updates in your activity feed. You may receive emails, depending on your notification preferences. Find in a cell array? Suppose a cell array 10×1 consisted of random numbers from 1 to 5. How can I find the locations for number 5? I’ve deleted the duplicate question.
How to convert the structure to cell array in MATLAB?
We can also convert the structure to cell array by using the “struct2cell” function in Matlab. The elements present in the structure are copied to the resultant array which is a cell array but it will not contain the header names. If we want to display the header names, then we can use the “fieldnames” function.
How to work with cell array in Excel?
Please find the below syntaxes that are used while working with cell array: Y=cell (x): This returns array in the form of x by x dimension and empty matrix. Y=cell (size): This function returns an array of the given size mentioned in the input argument. For example, cell ( [3,4]) returns an array of 3 by 4 dimensions.