Jeff O'Connell

1.62K subscribers

52 videos

I am a Professor of Mathematics at Ohlone College in Fremont, California. I use this channel for videos I use in my classes...or goofy stuff I come up with a...

Latest Videos

About my TED Talk - Imaginary Numbers Are Not Imaginary

Derivation of the Differential Equation Describing the Motion of a Pendulum

Derivation of the Spring-Mass Differential Equation

Happy First Day of Spring (and Fall) from a Mathematician 🤓

Euler's Formula (Proof)

Moser's Circle

Calculus with a Table Saw

Introduction to LaTeX (part 2)

Introduction to LaTeX (part 1)

Example of Laplace Transform of a Periodic

Laplace Transform of a Periodic Function

L'Hopital's Rule - Part 2

L'Hopital's Rule - Part 1

L'Hopital's Rule - Part 3

Proofs of Limit of Sin(x)x and (1-cos(x))x

Tables on your calculator

laplace of integral

laplace transform of -tf(t) proof

Delta Epsilon part 3

Delta-Epsilon part 2

Delta-Epsilon part1

Variation of Parameters - part 3

Variation of Parameters - part 2

Variation of Parameters - part 1

Proof of cos(A+B) formula

Proofs of properties of logarithms

Properties of Logarithms

Eulers Method in Excel

Derivation of the Quadratic Formula

Eigenvalues and eigenvectors - part 4