This video segment adapted from Shedding Light on Science describes how astronomical …
This video segment adapted from Shedding Light on Science describes how astronomical distances can be measured in units of light-years, and how the finite speed of light allows astronomers to study how the universe looked long ago.
This video segment adapted from Shedding Light on Science demonstrates the law …
This video segment adapted from Shedding Light on Science demonstrates the law of reflection by showing how light energy is reflected off both smooth and rough surfaces at predictable angles.
The Gilder Lehrman Institute of American History and the American Studies Program …
The Gilder Lehrman Institute of American History and the American Studies Program and History Department of Columbia University have joined together to observe the bicentennial of Lincoln’s birth in 1809 and to mark the publication of Our Lincoln: New Perspectives on Lincoln and His World, edited by Eric Foner, DeWitt Clinton Professor of History, Columbia University (W.W. Norton & Company).
This 27-minute video lesson provides an example using the orthogonal change-of-basis matrix …
This 27-minute video lesson provides an example using the orthogonal change-of-basis matrix to find the transformation matrix. [Linear Algebra playlist: Lesson 128 of 143]
This 12-minute video lesson provides an introduction to the null space of …
This 12-minute video lesson provides an introduction to the null space of a matrix and shows that the null space of a matrix is a valid subspace. [Linear Algebra playlist: Lesson 34 of 143]
This 18-minute video lesson shows how to solve a system of linear …
This 18-minute video lesson shows how to solve a system of linear equations by putting an augmented matrix into reduced row echelon form. [Linear Algebra playlist: Lesson 30 of 143]
This 12-minute video lesson provides another example of solving a system of …
This 12-minute video lesson provides another example of solving a system of linear equations by putting an augmented matrix into reduced row echelon form. [Linear Algebra playlist: Lesson 32 of 143]
This 12-minute video lesson discusses how to understand how the null space …
This 12-minute video lesson discusses how to understand how the null space of a matrix relates to the linear independence of its column vectors. [Linear Algebra playlist: Lesson 36 of 143]
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