3 ms·
It's the cartesian product. Think of it as a table with x labeling the top (x-axis) and y labeling the left side (y-axis). The cells of the table are the resu
by ww520 4y ago
It's the cartesian product. Think of it as a table with x labeling the top (x-axis) and y labeling the left side (y-axis). The cells of the table are the result of the product.
x 1 2
y |--------------
7 | (1,7) (2,7)
8 | (1,8) (2,8)
- bvxyigt 4y agoExcept, as the slides indicate, sequences of values are not sets. They are ordered. You can also, as they mention, refer to "y" in the definition of "x". This is like set union, but it is, again, sensitive to ordering of elements.