The Gradient, the Tangent Plane and Approximation

How To Compute Tangent Planes to Surfaces, Display them, and Use for Approximations

Tangent Line to a Surface

3D Plotting of Surfaces in MatLab and Octave v2.0

3D Plotting of Surfaces in MatLab and Octave

Directional Derivatives and Linear Approximation

Integration in Spherical Coordinates and Calculation of the Moment of Inertia

Integration in in Cylindrical Coordinates and Calculation of the Moment of Inertia

How to Calculate a Disk's Moment of Inertia

Areas in Polar Coordinates

How to Evaluate Double Integrals

Double Integrals and Iterated Integrals

Integration Techniques : Half Angle Substitution

ODEs Lesson 34 Frobenius Method with Repeated Roots

ODEs Lesson 33 Series Solutions by the Frobenius Method

ODEs Lesson 32 Power Series Solution of Non-Homogeneous ODE

ODEs Lesson 29 The Two Tank Problem

ODEs Lesson 31 General Power Series Solutions

ODEs Lesson 30 Solve ODEs with variable coefficients by Power Series

ODEs Lesson 28 Solve dx /dt = A x(t) + g(t) - a system of first order non-homogeneous ODEs

ODEs Lesson 27 Convert ODE Into a First Order System

ODEs Lesson 26 Solve x'=Bx using Generalized Eigenvectors

ODEs Lesson 25 Solve a System of 1st Order ODEs

ODEs Lesson 24 Eigenvalues and Eigenvectors

ODEs Lesson 23 Determinants and Invertibility

ODEs Lesson 22 Inverse of Matrix

ODEs Lesson 20 Matrices and System of Linear Agebraic Equations

ODEs Lesson 21 Matrix Algebra and Matrix Equations

ODEs Lesson 19 Numerical Solution of Spring/Mass Periodic Force IVP

ODEs Lesson 18 Laplace Transforms of Arbitrary Periodic Functions