**matlab Find indices of elements in an array based on a**

Suppose you have a matrix A of size m-by-n. You wish to pick one element from each of the n columns at random: >> rows = randsample( m, n ); % sample n times from integers 1:m... Actually i have some text data in my cell..and i think i have to use loop to transfer only numerical data in matrix..

**Choosing Specific Elements from An Array MathWorks**

Actually i have some text data in my cell..and i think i have to use loop to transfer only numerical data in matrix.....Tutorial on matrix indexing in MATLAB. How can I extract rows, columns, elements from a MATLAB matrix? I want to index a more complicated area, how can I do it? How can I collect elements from a matrix fufiling given conditions? Can you show me some examples of MATLAB matrix indexing? Indexing into a matrix is the way to access its elements, rows or columns: in MATLAB there are â€¦

**Select all elements except one in a vector Stack Overflow**

If A is a vector, then all(A) returns logical 1 (true) if all the elements are nonzero and returns logical 0 (false) if one or more elements are zero. If A is a nonempty matrix, then all(A) treats the columns of A as vectors and returns a row vector of logical 1 s and 0 s. how to add device to family sharing I have a binary image with some pixel values 1 and rest 0...I want to find out the sum of all the pixel values in the image...can any one help?. How to draw something with space in art

## How To Choose Some Elements In Matrix Inmatlab

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## How To Choose Some Elements In Matrix Inmatlab

### I have a binary image with some pixel values 1 and rest 0...I want to find out the sum of all the pixel values in the image...can any one help?

- Stephen and I are guessing because the author just used a single letter of the variable rather than some descriptive name would would give us some context as to what "A" represents.
- I mean that the variable mustnot take the element that has value 0,or 1.For example,if i have a matrix A=[ 2 3 1;8 7 6; 5 4 0] the variable can take the value of a random element of the matrxix,excluding the 1 and zero,but it can take the value 2,3,8,7,6,5,4 one of them
- The MATLAB programming language offers predefined functions for merging sets of data into a new set or array. With a few lines of simple code, you can merge sets of data into a sorted array or
- 2) duplicate every non-zero element from this row with a some probability and add it to the matrix. 3) enlarge the size of the matrix (to keep it square) 4) repeate the procedure with the new matrix (with added row), say, 10 times.

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