Find row and column of a value in matlab

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WebJun 5, 2024 · How to find "maximum" value in a table and to extract the other data's based on maximum value (i.e maximum value row): I have a table with 6 columns as shown below Theme Copy Calcul = table; Calcul.Element = cell2mat (raw (:, 1)); Calcul.Tau = cell2mat (raw (:, 2)); Calcul.Pressure = cell2mat (raw (:, 3)); Calcul.VMStress = cell2mat … WebMar 22, 2024 · I have a large matrix with with multiple rows and a limited (but larger than 1) number of columns containing values between 0 and 9 and would like to find an efficient way to identify unique row-wise combinations and their indices to then build sums (somehwat like a pivot logic). Here is an example of what I am trying to achieve: a = 1 2 …

Find matching rows based on specific column values - MATLAB …

WebOct 17, 2024 · findgroups will return the group index of each row, along with an optional output of all the unique rows. In my example I'm assuming that 'class 1' is the first output, but you can make the explicit comparison with strcmp to make a more robust solution. WebFor VLOOKUP, this first argument is the value that you want to find. This argument can be a cell reference, or a fixed value such as "smith" or 21,000. The second argument is the range of cells, C2-:E7, in which to search for the value you want to find. The third argument is the column in that range of cells that contains the value that you seek. the share group reviews

Finding the column and row - MATLAB Answers

WebDec 20, 2011 · find (idx) This will be the most scalable method if say you want 10 different numbers to be present in each row. Calling any/ intersect / all that many times and/or using that many dimensions is not really feasible. Soyy Tuffjefe on 27 Aug 2024 Suppose that A = [1 5 6 13 22; 9 5 4 6 37; 7 1 4 22 37]; and want = [5 6; 1 22; 4,37]; WebMar 15, 2011 · [row, col] = ind2sub (size (data), maxIndex); Another less compact approach finds the max values for each column at first: Theme Copy data = rand (5, 3); [maxNumCol, maxIndexCol] = max (data); [maxNum, col] = max (maxNumCol); row = maxIndexCol (col); Please read "help max" also. 13 Comments Show 12 older comments Raghuram on 26 … WebApr 13, 2024 · disp ('element location of values of x greater than 10') fprintf ('row %d col %d \n',xgt10row,xgt10col) it outputs element location of values of x greater than 10 row 3 col 4 row 3 col 4 row 1 col 2 row 2 col 3 row 1 col 1 row 2 col 2 row 3 col 3 row 4 col 4 which is basically going through the entirety of xgt10row before moving on to xgt10col. my sch webmail

Matlab: find a value in a matrix - Stack Overflow

Find() function in MATLAB - GeeksforGeeks

WebJun 30, 2024 · It can be done with a simple conditional expression and find (). The conditional statement will convert your vector to a binary vector, and then find () will locate all the values that are 1. Here's an example: Theme Copy A = [1 13 4 7 5 10 21]; [row, column] = find (A==7) row = 1 column = 4 Sign in to comment. Sign in to answer this … Webfind () returns the row and the column of the desired value, in your case "23", in matrix A. using a for loop you can copy the value and its following ones: my schaffers millWebJun 30, 2024 · It can be done with a simple conditional expression and find (). The conditional statement will convert your vector to a binary vector, and then find () will … the share group discount code

"WebDec 3, 2024 · With the pure objective of wanting to find all matching rows. That is, there may be [9 5 X], and [3 8 X] and so on and on, and there are lots of different … " - Find row and column of a value in matlab

Find row and column of a value in matlab

How can I remove rows containing Nan values in table?

WebJan 16, 2024 · nanRows = any (isnan (m), 2); % Delete those rows with nans in column 2 or 3 % In other words, extract only rows that don't have a nan in them into a % new variable. You could use the same variable as the original if you want. tNoNans = t (~nanRows, :) Or, assuming you already have table t in memory, and want to do it all in … WebAug 3, 2014 · value = A(find(A(:,1)==row_data),find(A(1,:)==column_data)) giving us - value = 0.4000 0.5000 0.5000 0.6000 Otherwise, if you are looking to find the value …

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WebLearn more about matrix, matlab I have a matrix, A, and I want to find the minimum value given specified row and column vectors, r and c. I also want to return the col and row of … WebIf all you want to know is the value of a certain part of the matrix just call the index. Theme. Copy. A (3) A (3) = 8. You can call multiple things with indexing, and you can add logic …

WebDec 3, 2024 · With the pure objective of wanting to find all matching rows. That is, there may be [9 5 X], and [3 8 X] and so on and on, and there are lots of different combinations, too many to manually do (a (:,1:2)== (a (1,1:2))) for. The key now is how you define your problem so you want to find if row 79 has the first two values as row 99? WebLearn more about matrix, matlab I have a matrix, A, and I want to find the minimum value given specified row and column vectors, r and c. I also want to return the col and row of that minimum value in A.

WebSep 12, 2013 · Find rows in matrix where entries match certain constraints? In Matlab, i have a matrix (MxN) and I want to find the rows whose entry in a specific column is … WebMar 15, 2024 · Method two: NUM2CELL, ARRAYFUN, and FIND: Theme Copy C = cellfun (@ (v)find (v>=0,1,'first'),num2cell (M,2)) C = 3×1 2 1 2 Method three: CUMPROD and SUM: Theme Copy C = 1+sum (cumprod (M<0,2),2) C = 3×1 2 1 2 Method four: CUMPROD, ONES, and MTIMES: Theme Copy C = 1+cumprod (M<0,2)*ones (size …

WebOct 29, 2015 · according to the matlab documentation, if i am using the whole matrix i can use the ind2sub function: [val,idx] = max (A (:)) [row,col] = ind2sub (size (A),idx) but how can i get that working for my example where i am using vectors a and b to determine the rows and columns it finds the values over?

WebSep 21, 2024 · Answers (1) Cris LaPierre on 21 Sep 2024. One feature of a table is that your columns can be different data types (e.g. a double and a cell). In a matrix, all your … the share group leadsWebNov 28, 2024 · Hi. I want to find row and column of array in matrix. But with out using the find function. Because it finds the same numbers and put them in specific matrix. I want … the share hotelsWebMar 15, 2024 · Method two: NUM2CELL, ARRAYFUN, and FIND: Theme Copy C = cellfun (@ (v)find (v>=0,1,'first'),num2cell (M,2)) C = 3×1 2 1 2 Method three: CUMPROD and … the share hotels hakoba 函館WebThe code should also do this if the value was not 2 so if I had a, array with [ 1,2 ; 3,1 ; 3,2 ; 3,3 ; 3,5; 4,1 ] it would return only one value for 3 in the first column. my scheda videoWebNov 1, 2024 · [row, col] = find (A>3, 2, 'last') Output: So, A (2, 3) and A (3, 3) are the last elements that are greater than 3. We got (2, 3) and (3, 3) as output not (3,2) and (3, 3) because MATLAB treats the array as a single … my schedule - 1 uhc-comWebMar 22, 2024 · I have a large matrix with with multiple rows and a limited (but larger than 1) number of columns containing values between 0 and 9 and would like to find an … the share hotels hatchi kanazawaWebJul 4, 2024 · For finding the index of an element in a 3-Dimensional array you can use the syntax [row,col] = find (x) this will give you the row and the column in which the element is present. Example: Matlab % MATLAB code for Finding an index % of an element in a 3-D array array = [1 2 3; 4 5 6; 7 8 9] % find () will get the index of element my schedule - 1