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Math 20E Fall 2023
Terminology and Theorems
Updated 10/26/23
Note: The following list is a minimal collection of the important terms and theorems for this course. You simply must be familiar with them and how they are used. This basic knowledge is analogous to the vocabulary of a language: it
is impossible to speak the language without it.
- Section 1.1 (review)
- vector addition; scalar multiplication
- geometry of vector operations
- coordinates of a point; components of a vector
- the standard basis vectors
- point-direction form of a line
- parametric equation of a line: point-point form
- Section 1.2 (review)
- the inner product
- unit vectors
- length; distance
- angle between two vectors
- Cauchy-Schwarz inequality
- orthogonal projection
- triangle inequality
- displacement; velocity
- Section 1.3 (review)
- matrices (2x2 and 3x3)
- properties of determinants
- cross products
- geometry of 2x2 determinants; geometry of 3x3 determinants
- equation of a plane in space
- distance from a point to a plane
- Section 1.4 (review)
- cylindrical coordinates
- spherical coordinates
- Section 2.1 (review)
- functions; mappings
- graphs of functions
- level sets, curves and surfaces
- sections
- Section 2.2 (review)
- open sets
- boundary; boundary points
- limit
- properties of limits
- continuity; continuous functions
- Section 2.4 (review)
- path
- curve
- parametrize
- velocity
- speed
- tangent vector
- tangent line
- Section 2.6 (review)
- gradient
- directional derivative
- gradient normal to level surface
- tangent plane to level surface
- Section 3.1 (review)
- iterated partial derivatives
- mixed partial derivatives
- equality of mixed partial derivatives
- Section 4.1 (review)
- differentiation rules for paths
- sum rule
- scalar multiplication rule
- dot product rule
- cross product rule
- chain rule
- acceleration
- Newton's second law
- Section 4.2 (review)
- Section 2.3
- partial derivatives
- linear approximation
- tangent plane
- derivative; matrix of partial derivatives
- Section 2.5
- constant multiple rule
- sum rule
- product rule
- quotient rule
- chain rule
- Section 5.1
- double integral
- slice method; Cavalieri's principle
- iterated integrals
- Section 5.2
- Section 5.3
- x-simple region
- y-simple region
- boundary
- elementary region
- Section 5.4
- simple region
- mean-value inequality
- mean-value theorem
- Section 6.1
- one-to-one
- onto
- one-to-one and onto mapping
- Section 6.2
- Jacobian determinant
- change of variables theorem
- double integrals
- triple integrals
- polar coordinates
- cylindrical coordinates
- spherical coordinates
- Section 4.3
- vector field
- scalar field; component scalar fields
- gradient vector field
- flow line; streamline; integral curve
- Section 7.1
- path integral, integral of f(x,y,z) along the path c
- Section 7.2
- line integral of F along c
- differential form
- reparametrization
- orientation-preserving
- orientation-reversing
- opposite path
- change of parametrization for path integrals (theorem)
- line integrals of gradient vector fields (theorem)
- simple curve
- parametrization
- endpoints
- oriented simple curve, directed simple curve
Section 7.3
- parametrized surface, parametrization of a surface
- differentiable or C1 surface
- tangent vectors to parametrized surfaces
- regular, smooth
- tangent plane
Section 7.4
- surface area
- of a graph
- of a surface of revolution
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