UsefulLinks
Mathematics
Multivariable Calculus
1. Foundations of Three-Dimensional Space
2. Vector-Valued Functions and Space Curves
3. Functions of Several Variables
4. Partial Derivatives
5. Optimization of Multivariable Functions
6. Multiple Integrals
7. Vector Calculus
3.
Functions of Several Variables
3.1.
Introduction to Multivariable Functions
3.1.1.
Definition and Notation
3.1.2.
Domain and Range
3.1.3.
Functions of Two Variables
3.1.4.
Functions of Three or More Variables
3.2.
Visualization of Multivariable Functions
3.2.1.
Graphs of Functions of Two Variables
3.2.1.1.
Surfaces in 3D Space
3.2.1.2.
Interpreting Surface Plots
3.2.2.
Level Curves
3.2.2.1.
Definition and Construction
3.2.2.2.
Contour Maps
3.2.2.3.
Interpreting Level Curves
3.2.3.
Level Surfaces
3.2.3.1.
Functions of Three Variables
3.2.3.2.
Equipotential Surfaces
3.3.
Limits and Continuity
3.3.1.
Limits of Multivariable Functions
3.3.1.1.
Definition Using Distance
3.3.1.2.
Evaluating Limits
3.3.2.
Techniques for Finding Limits
3.3.2.1.
Direct Substitution
3.3.2.2.
Factoring and Simplification
3.3.2.3.
Squeeze Theorem
3.3.3.
Nonexistence of Limits
3.3.3.1.
Two-Path Test
3.3.3.2.
Multiple Path Analysis
3.3.4.
Continuity
3.3.4.1.
Definition of Continuity
3.3.4.2.
Properties of Continuous Functions
3.3.4.3.
Continuity on Domains
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2. Vector-Valued Functions and Space Curves
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4. Partial Derivatives