Mathematics, 11.02.2021 22:00 mariap3504
The correct answers can be found on the Pearson website. Consider the following matrix:
[4 90 85 75
2 55 65 75
x = 3 78 82 79
1 84 92 93]
1. Use the size function to determine the number of rows and columns in this matrix.
2. Use the sort function to sort each column in ascending order.
3. Use the sort function to sort each column in descending order.
4. Use the sortrows function to sort the matrix so that the first column is in ascending order, but each row still retains its original data. Your matrix should look like this:
[1 84 92 93
2 55 65 75
x = 3 78 82 79
4 90 85 75]
5. Use the sortrows function to sort the matrix from Exercise 4 in descending order, based on the third column.
Answers: 3
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The correct answers can be found on the Pearson website. Consider the following matrix:
[4 90 85 75...
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