Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Null Space and Column Space Basis

9th - 10th
Video first gives examples of finding the column space and null space of a matrix. Shows how to determine if the column space is a basis. Gives an example of finding the basis of the column space if the column space is not already a...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Dimension of the Column Space or Rank

9th - 10th
Video shows how to find the basis and dimension of the column space by finding its reduced row echelon form and using the columns corresponding to the pivot columns as the basis. Explains that rank is the dimension of the column space....
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Column Space of a Matrix

9th - 10th
Video defines the column space as a linear combination of the column vectors and relates it to span. Shows that the column space is a valid subspace. Shows several ways to interpret a column space. This video also appears in the strand...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Visualizing a Column Space as a Plane in R3

9th - 10th
Video reviews how to find a basis for the column space and talks about how to find it more efficiently using reduced row echelon form. Shows a visualization of the column space in R3 as a plane. Shows two methods to determine the...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Null Space and Column Space Basis

9th - 10th
Video first gives examples of finding the column space and null space of a matrix. Shows how to determine if the column space is a basis. Gives an example of finding the basis of the column space if the column space is not already a...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Null Space and Column Space Basis

9th - 10th
Video first gives examples of finding the column space and null space of a matrix. Shows how to determine if the column space is a basis. Gives an example of finding the basis of the column space if the column space is not already a...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Dimension of the Column Space or Rank

9th - 10th
Video shows how to find the basis and dimension of the column space by finding its reduced row echelon form and using the columns corresponding to the pivot columns as the basis. Explains that rank is the dimension of the column space....
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Column Space of a Matrix

9th - 10th
Video defines the column space a a linear combination of the column vectors and relates it to span. Shows that the column space is a valid subspace. Shows several ways to interpret a column space. This video also appears in the strand...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Visualizing a Column Space as a Plane in R3

9th - 10th
Video reviews how to find a basis for the column space and talks about how to find it more efficiently using reduced row echelon form. Shows a visualization of the column space in R3 as a plane. Shows two methods to determine the...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Visualizing a Column Space as a Plane in R3

9th - 10th
Video reviews how to find a basis for the column space and talks about how to find it more efficiently using reduced row echelon form. Shows a visualization of the column space in R3 as a plane. Shows two methods to determine the...