Linear Algebra

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Across
  1. 2. what is A+(B+C)=(A+B)+C
  2. 8. A+B=B+A is its formula
  3. 9. what do we say b in ax=b
  4. 10. is a matrix with the same number of raws as column
  5. 11. It is given by the following formula (X1+X2):2 ,(Y1+Y2):2
  6. 13. have magnitude and direction
  7. 14. consists of the variable B and the constant A
Down
  1. 1. is the element of a matrix which is selected first by an algorithm
  2. 3. a matrix obtained by deleting some of the rows and columns
  3. 4. are four regions that x and y axes break the plane
  4. 5. is the type of matrix transformation and creates perpendicular between axis
  5. 6. of the n-vectors a and b is the sum of the multiplication
  6. 7. which every element is zero
  7. 8. a numerical or constant quantify placed before and multiplying the variable
  8. 12. 1xN,Nx1 matrix is also called