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Engineering · Computer Science
Question details

For this assignment you will perform basic matrix operations (addition, subtraction, and scalar multiplication).

Something Helpful

You can give initial values for arrays. Ex: int[] arr = {3, -1, 9, 10};

You can also do this for 2D arrays. Ex: int[][] arr = {{1, 2, 3}, {3, -1 , 9}};

This would give you the following Matrix:

[1  2  3]
[3 -1  9]

You will create one class that has 3 methods: one for adding matrices, one for multiplying a matrix by a scalar (a number), one for subtracting matrices (this is the same as multiplying the second matrix by -1 and then adding, so utilize the two previous methods), and one for printing a matrix.

Each method should print the result.

Sample Outputs

[2  3]
[4  10]

+

[1  -1]
[3  -4]

=

[3  2]
[7  6]
[2  3]
[4  10]

*

-3

=

[-6  -9]
[-12  -30]
[2  3]
[4  10]

-

[1  -1]
[3  -4]

=

[1  4]
[1  14]
Answer
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