This art history video discussion examines Gustav Klimt's "Death and Life", 1910, reworked 1915, oil on canvas, 178 x 198 cm (Leopold Museum, Vienna).

This art history video discussion examines Fitz Henry Lane's "Owl's Head", Penobscot Bay, Maine, 1862, oil on canvas, (Museum of Fine Arts, Boston).

This art history video discussion looks at the "Last Judgment Tympanum", Central Portal on West facade of the Cathedral of St. Lazare, Autun, c. 1130-46.

This art history video discussion looks at Laszlo Moholy-Nagy's "Composition A.XX", 1924, oil on canvas, 135.5 x 115cm (Musee national d'art moderne, Centre Georges Pompidou, Paris).

This art history video discussion examines Sir Frederic Leighton's "An Athlete Wrestling with a Python", 1877, bronze, 1746 x 984 x 1099 mm (Tate Britain, London).

This art history video discussion examines Leonardo da Vinci's "Adoration of the Magi", 1481, oil on panel (Galleria degli Uffizi, Florence).

In this video and accompanying essay, Dr. David Drogin discusses Leonardo da Vinci and his Letter to the Duke of Milan.

This art history video discussion examines Leonardo da Vinci's, Last Supper, oil, tempera, fresco, 1495-98 (Santa Maria delle Grazie, Milan).

This art history video presents a conversation between Salman Khan and Beth Harris about Leonardo da Vinci's "Mona Lisa" (c. 1503-1505, oil on panel) and its changing meaning. (Musée du Louvre).

This art history video discussion examines Leonardo da Vinci's "The Virgin and Child with St Anne and St John the Baptist" (Burlington House Cartoon), 1499-1500, charcoal and chalk on paper, c. 1499-1500 (National Gallery, London).

This art history video discussion examines Leonardo da Vinci's The Virgin of the Rocks, c. 1491-1508, oil on panel, National Gallery (London).

This art history video discussion examines Roy Lichtenstein's "Rouen Cathedral Set V", 1969, oil and magna on canvas, 3 canvases (SFMOMA).

This 16-minute video lesson shows that a projection onto a subspace is a linear transformation. [Linear Algebra playlist: Lesson 110 of 143]

This 14-minute video lesson shows how to determine the equation for a plane in R3 using a point on the plane and a normal vector.

This 25-minute video lesson introduces the idea of an angle between two vectors.

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 17-minute video lesson shows how to express a projection on to a line as a Matrix Vector prod. [Linear Algebra playlist: Lesson 61 of 143]

This 15-minute video lesson shows how to find the eigenvectors and eigenspaces of a 2x2 matrix. [Linear Algebra playlist: Lesson 136 of 143]

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]