Linear Algebra: Rank of the Matrix (M1.3)

 Echelon form means that the matrix is in one of two states:

  • Row echelon form.
  • Reduced row echelon form

A matrix is in row echelon form if it meets the following requirements:

  • The first non-zero number from the left (the “leading coefficient“) is always to the right of the first non-zero number in the row above.
  • Rows consisting of all zeros are at the bottom of the matrix.

row echelon form  

REF

https://www.statisticshowto.com/matrices-and-matrix-algebra/reduced-row-echelon-form-2/ 

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