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To find array elements that meet a condition, use find in conjunction with a relational expression. For example, find(X<5) returns the linear indices to the elements in X that are less than 5. To directly find the elements in X that satisfy the condition X<5, use X(X<5).
Use nonzeros, nnz, and find to locate and count nonzero matrix elements. Create a 10-by-10 random sparse matrix with 7% density of nonzeros. A = sprand(10,10,0.07); Use nonzeros to find the values of the nonzero elements. v = nonzeros(A) v = 7×1. 0.9595.
any(A) returns logical 1 (true) if any of the elements of A is a nonzero number or is logical 1, and returns logical 0 (false) if all the elements are zero. If A is a nonempty, nonvector matrix, then B = any(A) treats the columns of A as vectors, returning a row vector of logical 1 s and 0 s.
29 paź 2014 · To find the mean of only the non-zero elements, use logical indexing to extract the non-zero elements and then call mean on those: mean(M(M~=0))
10 paź 2023 · In MATLAB, we can find the indices and values of non−zero elements in an array or matrix without using the "find" function. To do this, we iterate a loop through the elements of the matrix to check whether they are zero or not.
Accepted Answer: Guillaume. Hey, I would like to find the non-zero cells plus the zeros that has no zeros before or after them. For example in the array [0 1 2 2 2 0 0 4 5 0 3 0 0 0 5] I'll get the indexes: 1,2,3,4,5,8,9,10,11,15. Thanks!
I have a matrix of 1x1177 and I wanted to display all the nonzero values with the array and the location of them. I am able to get the location of them using: find (matrixOne) But I also need the values to be displayed.
