Linear Algebra by Khalid

Edit Answers
1234567891011121314
Across
  1. 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
  2. 5. To define the determinant of a matrix of order higher than 2,it is convenient to use the notions of ___ and cofactors
  3. 7. If m=n, this matrix is ​​called a ___ matrix
  4. 8. (x1+x2/2 and y1+y2/2) this is ___ formula
  5. 10. the elements on the main diagonal are multiplied and subtracted from the product of the other elements(if 2x2)
  6. 11. ___is a branch of mathematics rich in theory and applications
  7. 12. a square matrix is called ___ matrix if all the non-diagonal elements are zero
  8. 13. the matrix derived from the coefficients and constant terms of a system of linear equation called ___ matrix
  9. 14. ___ means to change rows and columns
Down
  1. 1. If each entry of a matrix is a real number,then the matrix is called a real ___
  2. 2. The matrix containing only the coefficients of the system is called the ___ matrix of the system
  3. 3. Matrix is composed of rows and ___
  4. 6. main diagonal should be 1 and those below it should be ___
  5. 9. a^2+b^2=c^2 this formula is ___ theorem