Elementary linear algebra(crossword)
Across
- 2. set of number arranged in rows and columns so as to form a rectangular arroy
- 4. the right(head)diagonal elements be 1, and the other elements be 0, what is the matrix called?
- 6. based on the given coordinates m-?
- 9. Large marsupial
- 10. Flying mammal
- 12. Likes to chase mice
- 13. is the ratio of the change in the y-coordinate to the change in the x- coordinate called?
- 14. Man's best friend
Down
- 1. two systems of linear equations have the same set of solutions,then what are these equations called?
- 3. Has a trunk
- 5. If the number of rows and columns in the matrix is equal,what is the matrix called?
- 7. by changing its rows into columns:
- 8. is the substraction of the product of diagonals of a given matrix called?
- 11. what is a directed straight line segment called?