Jan 31, 2022 · I have an array A: A = [2; 3; 5; -8; 9; 1; -1] how do I convert it into an array whose values are all negative? So as to obtain B: A = [-2; -3; -5; -8; -9; -1; -1] Thanks!

Apr 19, 2013 · If I have an array of positive and negative values, how do I only keep the positive ones, and replace the negative ones by 0?

Now I am trying to set up a nested for loop to redefine negative elements in A. I need to replace negative elements in A with a zero. How do I go about doing this?

How to change the values of an Matrix (or array) to 1 and 0 for positive and negative values in MATLAB? In this video it shows the code to change the values in a matrix to 1 and 0. It …

Jan 31, 2022 · I have an array A: A = [2; 3; 5; -8; 9; 1; -1] how do I convert it into an array whose values are all negative? So as to obtain B: A = [-2; -3; -5; -8; -9; -1; -1] Thanks!

Nov 18, 2020 · To set set negative values in a certain column of matrix "A" to 0, you can do this: For this example we assume A is a 2-D number matrix and that we are getting rid of negative …

Jul 25, 2016 · I have an array of size 401 x 381 which has positive and negative values. I would like to detect which row in each column this change of sign occurs for the purposes of …

Jun 5, 2013 · Is there a way to quickly replace zero elements in a matrix with a input of my choice. Quickly - meaning, without a loop. The direct answer is: which does exactly what you ask for, …

Oct 20, 2017 · I need all negative numbers to be positive and all positive numbers to be negative. Sign needs to flip after the zero in the middle of the array.

Dec 28, 2016 · Exchanging negative values in a matrix with 0. Learn more about negative values, zeors, replacing.