James Cook Math

@UCfYSpKDLTjNDcoOyPoMFIsA - 22.1K subscribers

This channel is about math. Lots and lots of math. Also, Physics. Enjoy. (I'm monetizing this channel out of curiosity, how long will it take to pay for the chalkboard I want for my basement... stay tuned, I may have to get serious and work on some merch )

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Differential Equations: eigenvectors and decoupling, theory of system of ODEs, examples, 2-25-26

Differential Equations: eigenvectors and decoupling, theory of system of ODEs, examples, 2-25-26 James Cook Math

12 views - 1 day ago

Applied Linear: examples of linear transformations, coordinate change for linear maps, 2-25-26

Applied Linear: examples of linear transformations, coordinate change for linear maps, 2-25-26 James Cook Math

13 views - 1 day ago

Spinors: Frankel Section 19.1 or so, some discussion of transitive group actions, 2-25-26

Spinors: Frankel Section 19.1 or so, some discussion of transitive group actions, 2-25-26 James Cook Math

29 views - 1 day ago

Multivariate Calculus: gradient in polar, cylindrical and spherical coordinates, 2-25-26

Multivariate Calculus: gradient in polar, cylindrical and spherical coordinates, 2-25-26 James Cook Math

11 views - 1 day ago

Advanced Calculus: variational calculus examples, help with homework, 2-24-26 part 1

Advanced Calculus: variational calculus examples, help with homework, 2-24-26 part 1 James Cook Math

32 views - 2 days ago

Multivariate Calculus: tangent space, constrained partial differentiation, 2-24-26 part 1

Multivariate Calculus: tangent space, constrained partial differentiation, 2-24-26 part 1 James Cook Math

16 views - 2 days ago

Advanced Calculus: variational calculus examples, help with homework, 2-24-26 part 2

Advanced Calculus: variational calculus examples, help with homework, 2-24-26 part 2 James Cook Math

19 views - 2 days ago

Multivariate Calculus: tangent space, constrained partial differentiation, 2-24-26 part 2

Multivariate Calculus: tangent space, constrained partial differentiation, 2-24-26 part 2 James Cook Math

28 views - 2 days ago

Abstract Algebra II: Questions for Boss Fight 1, 2-23-26

Abstract Algebra II: Questions for Boss Fight 1, 2-23-26 James Cook Math

28 views - 3 days ago

Differential Equations: Row Reduction, Null Space, Eigensolutions introduced, 2-23-26

Differential Equations: Row Reduction, Null Space, Eigensolutions introduced, 2-23-26 James Cook Math

20 views - 3 days ago

Matrix Groups: Spinors begin at last... almost... Section 19.1 of Frankel, 2-23-26

Matrix Groups: Spinors begin at last... almost... Section 19.1 of Frankel, 2-23-26 James Cook Math

34 views - 3 days ago

Multivariate Calculus: tangent space to parametrized surface or graph, 2-23-26

Multivariate Calculus: tangent space to parametrized surface or graph, 2-23-26 James Cook Math

20 views - 3 days ago

Applied Linear: Lecture 14: coordinate change for vectors, orthonormal introduced, 2-23-26

Applied Linear: Lecture 14: coordinate change for vectors, orthonormal introduced, 2-23-26 James Cook Math

11 views - 3 days ago

Abstract Algebra II: Polynomials Theory continued, the end. 2-20-26

Abstract Algebra II: Polynomials Theory continued, the end. 2-20-26 James Cook Math

37 views - 6 days ago

Differential Equations: Systems and Reduction of Order, Matrices begin, 2-20-26

Differential Equations: Systems and Reduction of Order, Matrices begin, 2-20-26 James Cook Math

16 views - 6 days ago

Matrix Groups: Quaternions and Clifford Algebras introduced, 2-20-26

Matrix Groups: Quaternions and Clifford Algebras introduced, 2-20-26 James Cook Math

53 views - 6 days ago

Multivariate Calculus: general derivative, tangent space to level surface, 2-20-26

Multivariate Calculus: general derivative, tangent space to level surface, 2-20-26 James Cook Math

27 views - 6 days ago

Applied Linear: Lecture 13: Matrix of Linear Transformation, 2-20-26

Applied Linear: Lecture 13: Matrix of Linear Transformation, 2-20-26 James Cook Math

19 views - 6 days ago

Advanced Calculus: Euler Lagrange Equations for several dependent variables, 2-19-26 part 1

Advanced Calculus: Euler Lagrange Equations for several dependent variables, 2-19-26 part 1 James Cook Math

38 views - 1 week ago

Advanced Calculus: Euler Lagrange Equations for several dependent variables, 2-19-26 part 2

Advanced Calculus: Euler Lagrange Equations for several dependent variables, 2-19-26 part 2 James Cook Math

80 views - 1 week ago

Multivariate Calculus: chain rules, diagram tricks, polar coordinate change, 2-19-26 part 1

Multivariate Calculus: chain rules, diagram tricks, polar coordinate change, 2-19-26 part 1 James Cook Math

18 views - 1 week ago

Multivariate Calculus: chain rules, diagram tricks, polar coordinate change, 2-19-26 part 2

Multivariate Calculus: chain rules, diagram tricks, polar coordinate change, 2-19-26 part 2 James Cook Math

21 views - 1 week ago

Abstract Algebra II: Irreducibility of Polynomials, reduction and Eisenstein, 2-18-26

Abstract Algebra II: Irreducibility of Polynomials, reduction and Eisenstein, 2-18-26 James Cook Math

30 views - 1 week ago

Applied Linear: Lecture 12: Coordinate Maps and Bases, 2-18-26

Applied Linear: Lecture 12: Coordinate Maps and Bases, 2-18-26 James Cook Math

28 views - 1 week ago

Matrix Groups: SU(2) homomorphism to SO(3) concluded? 2-18-26

Matrix Groups: SU(2) homomorphism to SO(3) concluded? 2-18-26 James Cook Math

28 views - 1 week ago

Multivariate Calculus: partial derivatives, phi hat derived, product rule, chain rule, 2-18-26

Multivariate Calculus: partial derivatives, phi hat derived, product rule, chain rule, 2-18-26 James Cook Math

25 views - 1 week ago

Advanced Calculus: from power series to complex integrals and then Euler Lagrange, 2-17-26 part 1

Advanced Calculus: from power series to complex integrals and then Euler Lagrange, 2-17-26 part 1 James Cook Math

37 views - 1 week ago

Multivariate Calculus: partial derivatives, total differential, level curves, .... 2-17-26 part 1

Multivariate Calculus: partial derivatives, total differential, level curves, .... 2-17-26 part 1 James Cook Math

23 views - 1 week ago

Advanced Calculus: from power series to complex integrals and then Euler Lagrange, 2-17-26 part 2

Advanced Calculus: from power series to complex integrals and then Euler Lagrange, 2-17-26 part 2 James Cook Math

127 views - 1 week ago

Multivariate Calculus: partial derivatives, total differential, level curves, .... 2-17-26 part 2

Multivariate Calculus: partial derivatives, total differential, level curves, .... 2-17-26 part 2 James Cook Math

24 views - 1 week ago

Applied Linear: Lecture 11: Injective, Surjective, Vector Spaces, Subspace Test, 2-16-26

Applied Linear: Lecture 11: Injective, Surjective, Vector Spaces, Subspace Test, 2-16-26 James Cook Math

28 views - 1 week ago

Abstract Algebra II: Division Algorithm, Irreducibility begins, 2-16-26

Abstract Algebra II: Division Algorithm, Irreducibility begins, 2-16-26 James Cook Math

29 views - 1 week ago

Multivariate Calculus: partial derivative proofs and example of directional derivative, 2-16-26

Multivariate Calculus: partial derivative proofs and example of directional derivative, 2-16-26 James Cook Math

31 views - 1 week ago

Matrix Groups: homomorphism of SU(2) and SO(3) continued, 2-16-26

Matrix Groups: homomorphism of SU(2) and SO(3) continued, 2-16-26 James Cook Math

31 views - 1 week ago

Differential Equation: review for Boss Fight 1, 2-16-26

Differential Equation: review for Boss Fight 1, 2-16-26 James Cook Math

37 views - 1 week ago

Abstract Algebra II: Lecture 12: formal polynomials vs. polynomial functions, 2-13-26 part 1

Abstract Algebra II: Lecture 12: formal polynomials vs. polynomial functions, 2-13-26 part 1 James Cook Math

34 views - 1 week ago

Matrix Groups: exp not surjective SL(2,R), beginning of SU(2) and SO(3) homomorphism, 2-13-26

Matrix Groups: exp not surjective SL(2,R), beginning of SU(2) and SO(3) homomorphism, 2-13-26 James Cook Math

37 views - 1 week ago

Differential Equations: Cauchy Euler problem, 2-13-26

Differential Equations: Cauchy Euler problem, 2-13-26 James Cook Math

35 views - 1 week ago

Abstract Algebra II: Lecture 12: formal polynomials vs. polynomial functions, 2-13-26 part 2

Abstract Algebra II: Lecture 12: formal polynomials vs. polynomial functions, 2-13-26 part 2 James Cook Math

43 views - 1 week ago

Multivariate Calculus: partial derivative and derivatives, directional derivative example, 2-13-26

Multivariate Calculus: partial derivative and derivatives, directional derivative example, 2-13-26 James Cook Math

33 views - 1 week ago

Applied Linear: L10: Linear Transformations and the Standard Matrix, 2-13-26

Applied Linear: L10: Linear Transformations and the Standard Matrix, 2-13-26 James Cook Math

49 views - 1 week ago

Advanced Calculus: Lagrange Multipliers and Local Optimization via eigenvectors, 2-12-26 part 1

Advanced Calculus: Lagrange Multipliers and Local Optimization via eigenvectors, 2-12-26 part 1 James Cook Math

34 views - 2 weeks ago

Multivariate Calculus: multivariate limit calculation, directional derivative, 2-12-26 part 1

Multivariate Calculus: multivariate limit calculation, directional derivative, 2-12-26 part 1 James Cook Math

36 views - 2 weeks ago

Advanced Calculus: Lagrange Multipliers and Local Optimization via eigenvectors, 2-12-26 part 2

Advanced Calculus: Lagrange Multipliers and Local Optimization via eigenvectors, 2-12-26 part 2 James Cook Math

61 views - 2 weeks ago

Multivariate Calculus: multivariate limit calculation, directional derivative, 2-12-26 part 2

Multivariate Calculus: multivariate limit calculation, directional derivative, 2-12-26 part 2 James Cook Math

23 views - 2 weeks ago

Abstract Algebra II: UFDs, but first algebraic number theory story time, 2-11-26

Abstract Algebra II: UFDs, but first algebraic number theory story time, 2-11-26 James Cook Math

54 views - 2 weeks ago

Differential Equations: resonant frequency derivation, variation of parameters, 2-11-26

Differential Equations: resonant frequency derivation, variation of parameters, 2-11-26 James Cook Math

65 views - 2 weeks ago

Matrix Groups: Lie Algebras of triangular, orthogonal, unitary and their specials, 2-11-26

Matrix Groups: Lie Algebras of triangular, orthogonal, unitary and their specials, 2-11-26 James Cook Math

32 views - 2 weeks ago

Multivariate Calculus: topology and limits in Rn, path limits, 2-11-26

Multivariate Calculus: topology and limits in Rn, path limits, 2-11-26 James Cook Math

54 views - 2 weeks ago

Advanced Calculus: Tangent Space and Normal Space to k-manifold in Rn, 2-10-26 part 1

Advanced Calculus: Tangent Space and Normal Space to k-manifold in Rn, 2-10-26 part 1 James Cook Math

56 views - 2 weeks ago

Advanced Calculus: Tangent Space and Normal Space to k-manifold in Rn, 2-10-26 part 2

Advanced Calculus: Tangent Space and Normal Space to k-manifold in Rn, 2-10-26 part 2 James Cook Math

26 views - 2 weeks ago

Abstract Algebra II: Lecture 10: PIDs, primes and irreducible elements, 2-9-26

Abstract Algebra II: Lecture 10: PIDs, primes and irreducible elements, 2-9-26 James Cook Math

39 views - 2 weeks ago

Differential Equations: 2nd LI solution formula, Retarded Springs and SHM, 2-9-26

Differential Equations: 2nd LI solution formula, Retarded Springs and SHM, 2-9-26 James Cook Math

74 views - 2 weeks ago

Matrix Groups: trace formula, affine group's Lie algebra, 2-9-26

Matrix Groups: trace formula, affine group's Lie algebra, 2-9-26 James Cook Math

27 views - 2 weeks ago

Applied Linear: Review for Boss Fight 1: 2-9-26

Applied Linear: Review for Boss Fight 1: 2-9-26 James Cook Math

76 views - 2 weeks ago

Multivariate Calculus: Review for Boss Fight 1, 2-9-26

Multivariate Calculus: Review for Boss Fight 1, 2-9-26 James Cook Math

88 views - 2 weeks ago

Matrix Groups, Adjoint Representation of Matrix Lie Group or Algebra, almost an example, 2-6-26

Matrix Groups, Adjoint Representation of Matrix Lie Group or Algebra, almost an example, 2-6-26 James Cook Math

39 views - 2 weeks ago

Abstract Algebra II: Euclidean Domains, examples, theory of associates and PIDs, 2-6-26

Abstract Algebra II: Euclidean Domains, examples, theory of associates and PIDs, 2-6-26 James Cook Math

34 views - 2 weeks ago

Differential Equations: undetermined coefficients, method of annihilators, 2-6-26

Differential Equations: undetermined coefficients, method of annihilators, 2-6-26 James Cook Math

50 views - 2 weeks ago

Applied Linear: L9: Column Space and Null Space Bases, Rank Nullity Theorem, 2-6-26

Applied Linear: L9: Column Space and Null Space Bases, Rank Nullity Theorem, 2-6-26 James Cook Math

27 views - 2 weeks ago