**Adding a number to all existing values within a column**

Replace the values of the first column that are greater than 5 by 0. In the second column, if the values are within the range 121-130, replace them by 0. If they are within the range 131-140, replace by 1, 141-150 by 2, 151-160 by 3, etc.... @tc88: you're right in that row/column indices are more intuitive. However, an assignment A(rowIdx, colIdx) = -1 assigns the value to all combinations of rowIdx/colIdx. Thus, if you want to assign multiple elements of an array in one go, linear indices are the way to go.

**How can I change one column of a .mat file ? MATLAB**

@tc88: you're right in that row/column indices are more intuitive. However, an assignment A(rowIdx, colIdx) = -1 assigns the value to all combinations of rowIdx/colIdx. Thus, if you want to assign multiple elements of an array in one go, linear indices are the way to go.... If we give a single row and column index, the result will be a scalar value. To select a whole row or column, use the colon (:) operator : using a single colon means, that all elements shall be selected in the appropriate dimension.

**How to convert row and column vectors of a symmetric**

Hello, I have a huge table with lots of data, as well of columns full of 'null' data. The null data are values of '-9999' or '-6999'. I want to remove the columns with null values, so I was thinking of writing a loop to determine if the mean, median, and maximum are all equal to each other, then that column …... It depends on what you know about the 35. Star's way will set all values of 35 in column "L" to zero. The ways I gave are if you know that it's row 2 in column 2 (the "L" column), and it's row 2 you want to set, instead of all the rows with a value of 35.

**How to change table dimensions by ordering by column**

It depends on what you know about the 35. Star's way will set all values of 35 in column "L" to zero. The ways I gave are if you know that it's row 2 in column 2 (the "L" column), and it's row 2 you want to set, instead of all the rows with a value of 35.... Change all negative values to positive values of the same magnitude (MATLAB) Ask Question 1. 0. I have a matrix of negative and positive values, I've tried using an if loop to change the negative ones to positive: if A(A<0) A = A.*(-1); end but it doesn't seem to do anything, what do? matlab. share improve this question. asked Jul 15 '15 at 14:03. Hikul. 34 1 1 5. Luis forgot the =, ind = A

## How To Change All Vlues Of A Column Matlabv

### How can I change one column of a .mat file ? MATLAB

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## How To Change All Vlues Of A Column Matlabv

### I have a Matrix, where few rows/columns have NaN value corresponding to all the columns/rows respectively. I know how to remove these rows/columns: X=X(:,~all(is an(X))); But I want to know the indices of these rows/columns.

- The 97th column is composed of numbers going from 1 to 100 and I need to change them to numbers going from 1 to 4. There are 1769 values (around 18 for each number of the 100) so I can't do it by hand. I need to change the values between 1 and 5, 11 and 15, 21 and 25... to 1, the values between 6 and 10, 16 and 20... to 2, the values between 51 and 55, 61 and 65... to 3 and the values between
- Change all negative values to positive values of the same magnitude (MATLAB) Ask Question 1. 0. I have a matrix of negative and positive values, I've tried using an if loop to change the negative ones to positive: if A(A<0) A = A.*(-1); end but it doesn't seem to do anything, what do? matlab. share improve this question. asked Jul 15 '15 at 14:03. Hikul. 34 1 1 5. Luis forgot the =, ind = A
- I have a table and want to add data to it iteratively. My data is sparse. Most of it is doubles. When I add a column with not all rows specified, the unspecified …
- It depends on what you know about the 35. Star's way will set all values of 35 in column "L" to zero. The ways I gave are if you know that it's row 2 in column 2 (the "L" column), and it's row 2 you want to set, instead of all the rows with a value of 35.

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