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equal definition, uses an image

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Jidong Xiao
2023-09-22 00:39:15 -04:00
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hws/03_matrix_class/README.md
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@@ -37,8 +37,11 @@ with every value initialized to fill. If either dimension is 0, the resulting ma
Your class must support the equality operator == and the inequality operator !=. Two matrices are considered Your class must support the equality operator == and the inequality operator !=. Two matrices are considered
to be equal if they have the same value in every position. In other words, matrices A and B are equal if and to be equal if they have the same value in every position. In other words, matrices A and B are equal if and
only if (∀i,j |i ∈ {0, 1, . . . , m − 2, m − 1}, j ∈ {0, 1, . . . , n − 2, n − 1}) a<sub>i</sub>,<sub>j</sub> = b<sub>i</sub>,<sub>j</sub> . ∀ is a common shorthand for only if
“for all,” so ∀i,j means “for every value of i and j.” ∈ is a common shorthand for “in”.
![alt text](images/matrix_equal_definition.png "matrix equal definition")
∀ is a common shorthand for “for all,” so ∀i,j means “for every value of i and j.” ∈ is a common shorthand for “in”.
Since a matrix has two dimensions, you will need to implement num rows() and num cols() which return the Since a matrix has two dimensions, you will need to implement num rows() and num cols() which return the
number of rows and the number of columns in the matrix respectively. number of rows and the number of columns in the matrix respectively.