Mathematics and Music
- Hamiltonian Cycles in Music
- Ionian, Dorian and Phrygian Modes
- Lydian,Mixolydian and Aeolian Modes
- D Minor Inversions
- Modes
Elementary Math for Teachers
- Course Introduction
- Math 3041 Homeworks 1-13
- Math 3041 Practice Problems
- Relations
- Errata
- Section 1.1 Counting
- Section 1.2 Place Value
- Exercise on the Addition Table
- Section 1.4 Subtraction
- Section 1.5 Multiplication
- Exercise on the Multiplication Table
- Section 1.6 Division
- Section 3.3 Algorithms
- Section 3.4 A Division Algorithm
- Section 3.5 Estimation
- Section 4.1 Prealgebra
- Section 4.3 Divisibility
- Section 5.3 Factors and Prime Numbers
- Exercises on Factors and Primes
- Exercises on prime numbers and the greatest common factor
- Section 6.1 Fractions
- Section 6.1 Partitive and Measure Division
- Notes on the conversion of units
- Solving Algebra and Other Story Problems by Sybilla Beckmann
- Tree of Porphyry
- Some Educational References
Precalculus/Foundations of Mathematics
- On Definition (Definition according to Aristotle)
- On Truth
- On implication
- On Sets
- Relations and Functions
- Fractions
- Properties of the real numbers
- Order and Inequalities
- Absolute Value
- Straight Lines
- The Plane
- Some Standard Forms of the Straight Line
- Graphing examples
- Image of a function
- The Circle
- The Parabola
- Exponential functions–review
- Sequences
- Limits of sequences
- Complex Numbers
- Notes on Trigonometry
Calculus
- The Limit of a Sequence
- The epsilon-delta definition of a limit -From Brilliant.org
- Limits using Epsilon and Delta – Example.
- The Chain Rule
- Points of Inflexion
- Rates of Change
- Rectilinear Motion
- Mean Value Theorem
- Optimization (Application to Optics)
- Antiderivative Formulae
- Antiderivatives Involving the Secant Function
- The Definite Integral
- The Fundamental Theorem
- Applications of the Definite Integral
- Work
- Harder Substitution Examples
- The Irrationality of e
- Nintendo Calculus ☺
- Some Ways to Define Functions
- Remarks on Parity
- Hyperbolic Sectors
- Hyperbolic Functions
- Inverse Trigonometric and Hyperbolic Functions
- Miscellaneous Trigonometric and Hyperbolic Integrals
- Hyperbolic Functions – Examples
- Euler’s Formula – Useful Corollaries
- Terminal Velocity
- The Substitution $t = \tan (x/2)$
- Rational Functions
- Integration of Rational Functions
- Improper Integrals
- Convergence of Series
- Absolute Convergence
- Ratio Test
- Cauchy Condensation
- Alternating Series
- Limit Comparison Test
- Power Series-I
- Power Series-II
- Computing Taylor Series
- Exponential Series
- The Irrationality of e
- Equality up to Order $n$
- Limit Superior and Limit Inferior
- The Cycloid
- Curvature
- Complex Numbers – Miscellaneous Computations
Calculus of Several Variables
- Determinants and Orientation in R^2
- The Vector Product
- Matrix Multiplication -Brief Review
- Reformulation of the usual Derivative
- The Derivative of a Scalar Function
- The Derivative of a Vector Valued Function
- The Chain Rule for Curves
- The Chain Rule for Vector Valued Functions
- Unit Speed Reparametrization
- Line Integrals of Scalar Functions
- Line Integrals of Vector Fields
- Vector Fields and Potential Functions
- Optimization – Summary
- Optimization with Constraints
- Double Integrals
- Formulae for Integration
Differential Equations
- Introduction to ODE’s
- Properties of the Direction Field
- Separable ODE’s
- Integrating Factors
- Second Order Linear ODE’s
- Second Order Linear ODE’s with Constant Coefficients
- Method of Variation of Parameters
- Forced Oscillator – Steady State Solution by Fourier Transfor
- Convolution and Time Invariant Linear Systems
- Forced Damped Oscillatory Systems
- Scaling of First and Second Order Linear Equations (nondimensionalization)
Logic
- Some Axioms for Set Theory
- Propositional Calculus – Syntax
- Propositional Calculus – Theorems
- Propositional Calculus – Proofs
- Propositional Calculus – Semantics
- Functions, Relations and Structures
- First Order Logic – Syntax
- First Order Logic – Axioms
- First Order Logic – Semantics
- Logical circuit symbols and connectives
- Turing Machines
- First Order Logic – Substitution
Geometry
- Unit Speed Reparametrization
- Winding Number and Signed Curvature
- Regular Surfaces I
- Regular Surfaces II
- Regular Surfaces III
- Jacobian of the Differential
- Some Regular Surfaces
- Surfaces of Revolution
- The Second Fundamental Form
- Gauss’s Theorema Egregium
- Minimal Surfaces
- Hyperbolic Paraboloid Exercise
- Self Adjointness
- Umbilics
- Isometries
- Connection Coefficients
Combinatorics/Discrete Mathematics
- Inverse Functions
- Digraph Taxonomy
- Directed Graphs
- Equivalence Relations
- Simple Graphs
- Edge unlabelled Multigraphs
- Elementary Combinatorial Formulae
- The Symmetric Difference
- Balls in Boxes
- Binomial-Multinomial Theorems
- Multisets
- Partitions
- Inclusion Exclusion Principle
- On the Number of Surjections
- Function Digraphs
- Group Actions
- Orbit Stabilizer Theorem
- Cycle Structure
- Chemical Isomers and Coloring
- Closure
- Lattice Types
- Max–min inequality
- Summary of Lecture on the GCD
- Whitney’s Theorem
Algebra
- Permutations and Transpositions
- Group axioms
- The Euclidean Group E(3)
- Subgroups
- Group homomorphisms
- Isomorphisms
- Cyclic Groups
- Lagrange’s Theorem
- Normal Subgroups
- First Isomorphism Theorem
- Greatest Common Divisors
- Direct Products of Modules
- Direct Sums of Modules
- Retracts (Summands)
- Products of Groups I
- Products of Groups II
Linear Algebra
- Matrix Multiplication
- Elimination and Back Substitution.
- The Inverse of a Matrix.
- LU Factorization.
- Permutations and Transpositions
- Reduction to the Identity
- Linear Spaces
- Linear Independence
- Spanning Sets and Independent Sets
- Exam I -Practise Questions
- Euclidean Space
- Lines in Euclidean Space
- Gram Schmidt Algorithm
- Orientation in $R^2$
- The Vector Product
- Planes
- Linear Equations
- Linear Equations – Simple Examples
- Subspaces (updated April 27 2019)
- Applications of the Hermite Normal Form (Updated April 27, 2019)
- The Hermite Normal Form
- Matrix of a Linear Map
- Dimensions of Kernel and Image
- The Null Space of a Matrix
- Finding the Left Nullspace
- Determinants.
- Determinant of a Direct Product.
- Graph Matrices
- Circuits
- Closure
- Affine Spaces in Physics
- Distance to an Affine Subspace
- Convex Sets
- The Centroid
- Projection and Least Squares
Statistics
- The Distribution of the Mean.
- Projection and Least Squares. .
- Linear Correlation..
- Some Important Density Functions.
- Selected Formulae.
- Elementary Combinatorial Formulae.
- Normal CDF Table.
Physics and Chemistry
- Scientific Units
- Formulae for Integration
- Isomers
- Physical Applications of Stokes’ Theorem
- Hamilton’s Equations
- Special Relativity
- Waves – Terminology
- Table of Ph Values
- Concerning the Measurability
of a Global Mean Surface Temperature