Quizzes for video lectures

Ready-made comprehension quizzes for popular lectures: a summary, key ideas with timestamps and questions with explanations.

3Blue1Brown — Essence of linear algebra 16 lectures

VectorsLinear Combinations, Span, and Basis VectorsLinear Transformations and MatricesMatrix multiplication as compositionThree-dimensional linear transformationsThe determinantInverse matrices, column space and null spaceNonsquare Matrices as Transformations Between DimensionsDot Products and DualityCross productsCross Products in the Light of Linear TransformationsCramer's rule, explained geometricallyChange of basisEigenvectors and eigenvaluesA quick trick for computing eigenvaluesAbstract vector spaces

3Blue1Brown — Neural networks 7 lectures

But what is a neural network?Gradient Descent, How Neural Networks LearnBackpropagation, intuitivelyBackpropagation calculusTransformers, the tech behind LLMsAttention in transformers, step-by-stepHow Might LLMs Store Facts?