Jeff O'Connell

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 and want to share 🤓

About my TED Talk - Imaginary Numbers Are Not Imaginary
About my TED Talk - Imaginary Numbers Are Not Imaginary
Derivation of the Differential Equation Describing the Motion of a Pendulum
Derivation of the Differential Equation Describing the Motion of a Pendulum
Derivation of the Spring-Mass Differential Equation
Derivation of the Spring-Mass Differential Equation
Happy First Day of Spring (and Fall) from a Mathematician 🤓
Happy First Day of Spring (and Fall) from a Mathematician 🤓
Euler's Formula (Proof)
Euler's Formula (Proof)
Moser's Circle
Moser's Circle
Calculus with a Table Saw
Calculus with a Table Saw
Introduction to LaTeX (part 2)
Introduction to LaTeX (part 2)
Introduction to LaTeX (part 1)
Introduction to LaTeX (part 1)
Example of Laplace Transform of a Periodic
Example of Laplace Transform of a Periodic
Laplace Transform of a Periodic Function
Laplace Transform of a Periodic Function
L'Hopital's Rule - Part 2
L'Hopital's Rule - Part 2
L'Hopital's Rule - Part 1
L'Hopital's Rule - Part 1
L'Hopital's Rule - Part 3
L'Hopital's Rule - Part 3
Proofs of Limit of Sin(x)/x and (1-cos(x))/x
Proofs of Limit of Sin(x)/x and (1-cos(x))/x
Tables on your calculator
Tables on your calculator
laplace of integral
laplace of integral
laplace transform of -tf(t) proof
laplace transform of -tf(t) proof
Delta Epsilon part 3
Delta Epsilon part 3
Delta-Epsilon part 2
Delta-Epsilon part 2
Delta-Epsilon part1
Delta-Epsilon part1
Variation of Parameters - part 3
Variation of Parameters - part 3
Variation of Parameters - part 2
Variation of Parameters - part 2
Variation of Parameters - part 1
Variation of Parameters - part 1
Proof of cos(A+B) formula
Proof of cos(A+B) formula
Proofs of properties of logarithms
Proofs of properties of logarithms
Properties of Logarithms
Properties of Logarithms
Eulers Method in Excel
Eulers Method in Excel
Derivation of the Quadratic Formula
Derivation of the Quadratic Formula
Eigenvalues and eigenvectors - part 4
Eigenvalues and eigenvectors - part 4