Linear Algebra by Khalid
Across
- 4. The scalar is usually denoted by (the Greek letter lambda) and is called an eigenvalue of A,and the nonzero column matrix x is called an ___ of A corresponding to lambda
- 5. To define the determinant of a matrix of order higher than 2,it is convenient to use the notions of ___ and cofactors
- 7. If m=n, this matrix is called a ___ matrix
- 8. (x1+x2/2 and y1+y2/2) this is ___ formula
- 10. the elements on the main diagonal are multiplied and subtracted from the product of the other elements(if 2x2)
- 11. ___is a branch of mathematics rich in theory and applications
- 12. a square matrix is called ___ matrix if all the non-diagonal elements are zero
- 13. the matrix derived from the coefficients and constant terms of a system of linear equation called ___ matrix
- 14. ___ means to change rows and columns
Down
- 1. If each entry of a matrix is a real number,then the matrix is called a real ___
- 2. The matrix containing only the coefficients of the system is called the ___ matrix of the system
- 3. Matrix is composed of rows and ___
- 6. main diagonal should be 1 and those below it should be ___
- 9. a^2+b^2=c^2 this formula is ___ theorem