WebApr 13, 2024 · a = randi (5,20,1); x = a*0; [a1,ix] = sort (a); % sort array to see how many duplicates k = 0; for i = 1:length (a)-1 if a1 (i)~=a1 (i+1) x (k+1:i) = i-k; % write numer of duplicates k = i; % position of last diplicate end end x (k+1:end) = length (x)-k; % write last portion of duplicates [~,ix1] = sort (ix); % restore original order WebIf A is a vector, then sort (A) sorts the vector elements. If A is a matrix, then sort (A) treats the columns of A as vectors and sorts each column. If A is a multidimensional array, then sort (A) operates along the first array dimension whose size does not equal 1, treating the … B = topkrows(X,k,col) sorts the results by the columns specified by col.Use this … Sort index, returned as a vector, matrix, or multidimensional array. I is the same size … B = sortrows(A,column) sorts A based on the columns specified in the vector … Many functions in MATLAB® can take the elements of an existing array and put …
How to get the order indices in a character array? - MATLAB …
WebJun 2, 2024 · 1 Link Helpful (0) Theme Copy s=sortrows (x); KSSV on 2 Jun 2024 Theme Copy [val,idx] = sort (A (:,1)) ; % sort the first column iwant = A (idx,:) % arrange A in ascending order of first column Sign in to answer this question. WebMar 13, 2024 · To get an index vector you would have run. Theme Copy [g,gN,gL] = grp2idx (s); You can reproduce input argument s using the output gL: Theme Copy gL (g (:,:)) You can also use gN(g) to reproduce the input argument s as a cell array of character vectors. Theme Copy gN (g (:,:)) the great pyramid of giza คือ
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WebFeb 27, 2024 · Assuming your sumsqr function computes the sum of squares of the elements, this is fairly straightforward with the element-wise power operator (.^) and the dim input to the sum function. Theme Copy x = 1:12 x = 1×12 1 2 3 4 5 6 7 8 9 10 11 12 m = reshape (x, 4, 3) % Taking sum of squares of blocks of 4 elements m = 4×3 s = sum (m.^2, … WebAug 21, 2007 · To sort multiple additional vectors in the same way as an initial one, we can easily take advantage of the sort index. A = [1 8 3 17 0 4 7]; [sortA, ind] = sort (A); B = [2 5 6 1 9 3 8]; sortBbyA = B (ind); sortB = sort (B); Here are the indices required to rearrange A into sortA . ind ind = 5 1 3 6 7 2 4 the great pyramid of giza queen\\u0027s chamber