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Vectors & Matrices

SequencesLessonsMaterialsVideos
  1. Math

Vectors & Matrices

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Vector properties, magnitudes, and algebraic operations including addition and scalar multiplication. Introduces matrix representations, arithmetic, and computational techniques for solving linear systems.

Vector QuantitiesMathematical and physical quantities defined by both magnitude and direction. Emphasizes vector addition, component resolution, and applications in force and motion.
MathNumbers & CountingCounting ObjectsNumber NamesComparing NumbersNumber OperationsCounting SequenceNumbers 0-10Place Value Understanding and SystemAdd and Subtract Within 20Addition and Subtraction ConceptsAddition and Subtraction EquationsAddition and Subtraction ProblemsFoundations for MultiplicationMultiplication and Division PropertiesMultiply and Divide Within 100Multiplication and Division ProblemsFactors and MultiplesProperties of OperationsPatterns and RelationshipsGenerate and Analyze PatternsMulti-Digit ArithmeticPlace Value OperationsMulti-Digit and Decimal OperationsNumerical ExpressionsFour Operations and PatternsFour Operations Problem SolvingMeasurement & DataMeasurable AttributesMeasuring LengthsMeasure and Estimate Lengths in Standard UnitsRelate Addition and Subtraction to LengthClassifying and Counting ObjectsTime and MoneyArea Concepts and MeasurementPerimeter and Area MeasuresAngle Concepts and MeasurementTime, Volume, and MassMeasurement Unit ConversionsGeometryIdentifying ShapesShapes and AttributesShape Attributes and ReasoningShapes and CompositionClassifying 2D FiguresGeometric Figures and RelationshipsLines, Angles, and ShapesAngle, Area, and VolumeGeometric MeasurementVolume of 3D ShapesCoordinate Plane ApplicationsTransformations in the PlaneCongruence and SimilarityUnderstand congruence in terms of rigid motionsSimilarity and TransformationsProve Theorems Involving SimilarityPythagorean TheoremTrigonometry for General TrianglesMake Geometric ConstructionsProve Geometric TheoremsTheorems About CirclesFind Arc Lengths And Areas of Sectors of CirclesVolume FormulasRelationships Between Two-Dimensional and Three-Dimensional ObjectsProve Simple Geometric Theorems AlgebraicallyTranslate Between Geometric Description and Equation for Conic SectionApply Geometric Concepts in Modeling SituationsFractions & DecimalsFractions as NumbersBuilding FractionsFraction Equivalence and OrderingAdding and Subtracting FractionsMultiplying and Dividing FractionsDividing FractionsDecimal FractionsMulti-Digit Computation and FactorsAdd, Subtract, Multiply, and Divide Rational NumbersRational Number SystemIrrational Numbers and ApproximationsRatiosRatios and ProportionsProportional RelationshipsUnit RateAlgebraAlgebraic ExpressionsGenerate Equivalent ExpressionsQuantitative RelationshipsProportional Relationships and Linear EquationsEquations and InequalitiesEquation Solving and ReasoningLinear Equations and SystemsGraph Equations and InequalitiesSystems of EquationsReal-World Algebraic ProblemsQuantitative Reasoning with UnitsExpression StructureEquivalent Expression FormsRadicals and Integer ExponentsRational ExponentsRational and Irrational NumbersPolynomial OperationsPolynomial IdentitiesPolynomial Zeros and FactorsRational ExpressionsComplex Number OperationsComplex Numbers in PolynomialsComplex Numbers on PlaneStatistics & ProbabilityRepresent and Interpret DataData DistributionsStatistical VariabilityProbability ModelsCompound Event ProbabilitiesStatistical SamplingInterpret Categorical and Quantitative DataBivariate Data PatternsInterpret Linear ModelsComparing Two PopulationsRandom Processes in StatisticsIndependence and Conditional ProbabilityExpected ValuesProbability-Based Decision MakingStatistical Inference and ConclusionsFunctionsFunction Concepts and NotationDefine and Compare FunctionsInterpret Functions in ContextAnalyze Function RepresentationsModel Relationships with FunctionsIdentify Linear vs Exponential GrowthDistinguish Between Function TypesCompare Growth RatesInterpret Function ExpressionsBuild Functions from RelationshipsConstruct and Model FunctionsTransform and Combine FunctionsModel Comparison and SelectionSolve Exponential EquationsTrigonometryTrigonometric Ratios Involving Right TrianglesTrigonometric Functions and Unit CircleModel with Trigonometric FunctionsTrigonometric IdentitiesVectors & MatricesIntroduction to Vectors and MatricesVector QuantitiesVector OperationsMatrix OperationsCalculusLimits and ContinuityDerivative Concepts and NotationDerivative Rules and TechniquesApplications of DerivativesOptimization ProblemsRelated RatesCurve Sketching and AnalysisIntegration Concepts and NotationAntiderivatives and Indefinite IntegralsDefinite Integrals and AreaFundamental Theorem of CalculusIntegration TechniquesApplications of IntegrationDifferential EquationsSequences and SeriesParametric and Polar FunctionsVector-Valued Functions
Lesson
Data Containers Worksheet
Data Vectors Rubric

Data Containers

An undergraduate-level introduction to visualizing vectors as multi-dimensional data containers. Students explore real-world applications from catering costs to nutritional data, shifting the perspective of vectors from geometric arrows to abstract data structures.

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Lenny
1/19
Lesson
Stochastic Storm Slides
Modern ML Debates
Neural Optimization Check Exit Ticket

Stochastic Gradients in High Dimensions

Exploring Stochastic Gradient Descent (SGD) and its role in navigating high-dimensional, non-convex landscapes in machine learning.

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Lenny
1/18
Lesson
Boundary Path Slides
Constrained Extremes Worksheet
Lagrangian Insight Guide

Constrained Lagrange Optimization

Solving optimization problems under constraints using the method of Lagrange multipliers, focusing on the alignment of gradient vectors.

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Lenny
1/18
Lesson
Descent Dynamics Slides
Convergence Code Challenge
Optimization Algorithm Cheat Sheet

Implementing Gradient Descent

Implementation of iterative numerical methods, focusing on the geometry of convergence, learning rates, and momentum in gradient descent.

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Lenny
1/18
Lesson
Curvature Landscape Slides
Point Classification Lab Worksheet
Hessian Analysis Key

Analyzing Curvature with Hessians

An examination of second-order derivatives via the Hessian matrix to understand surface curvature and classify critical points using eigenvalues.

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Lenny
1/18
Lesson
Ascent Vector Slides
Steepest Ascent Worksheet
Gradient Geometry Guide

Interpreting the Gradient Vector

Students analyze the gradient vector as a directional quantity, establishing its geometric relationship with level sets and proving it indicates the steepest ascent.

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Lenny
1/18
Lesson
PCA Strategy Teacher Guide
Invariant Direction Slides
Face Compression Project Worksheet

Principal Vector Directions

Identify eigenvectors as the invariant directions of linear operators. Students apply these concepts to Principal Component Analysis (PCA) to extract the most significant 'directions of variance' in high-dimensional datasets.

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Lenny
1/18
Lesson
Orthogonal Basis Teacher Guide
Subspace Projection Slides
Signal Decomposer Worksheet

Subspace Orthogonalization

Master the decomposition of vectors into orthogonal components. Students implement the Gram-Schmidt process to build orthonormal bases, providing the foundation for numerical stability and signal processing.

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Lenny
1/18
Lesson
Dimensionality Curse Teacher Guide
Hyperspace Paradox Slides
Orange Peel Simulation Activity

Hyperspace Paradoxes

A deep dive into the counter-intuitive geometric properties of R^n as n grows large. Students explore the concentration of measure, the 'thin skin' of high-dimensional spheres, and why random vectors tend toward orthogonality.

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Lenny
1/18
Lesson
Similarity Metrics Teacher Guide
Semantic Vector Slides
Document Vector Lab

Semantic Vector Similarity

Analyze vector direction independently of magnitude using cosine similarity. Students explore semantic similarity in high-dimensional spaces, differentiating between Euclidean distance and angular separation in document clustering and text analysis.

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Lenny
1/18
Lesson
Norm Landscapes Teacher Guide
Norm Space Slides
Unit Ball Workshop

Vector Norm Landscapes

Investigate the geometry of vector magnitudes through various Lp norms (L1, L2, Linf). Students explore how the choice of norm defines 'size' and 'distance' in computational contexts like signal processing and regularization.

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Lenny
1/18
Lesson
Continuous Force Slides
Stress Field Analysis Worksheet

Stress Tensors and Continuous Media

The sequence culminates with the application of higher-order vector quantities (tensors) to describe internal forces. Students analyze the Cauchy stress tensor and solve equilibrium equations in continuous media.

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Lenny
1/17
Lesson
Field Calculus Slides
Connection Mechanics Challenge Worksheet

Gradient Divergence and Curl in General Coordinates

Students generalize standard vector calculus operations using the covariant derivative. They derive the expressions for gradient, divergence, and curl in arbitrary coordinate systems using Christoffel symbols.

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Lenny
1/17
Lesson
Metric Mapping Slides
Geometric Weaver Workshop

The Metric Tensor and Geometry

Students utilize the metric tensor to raise and lower indices, effectively mapping between vector and covector quantities. The lesson focuses on calculating arc lengths and angles in curved spaces.

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Lenny
1/17
Lesson
Component Dualism Slides
Index Mastery Challenge

Covariant and Contravariant Components

This lesson introduces the rigorous definitions of covariant (dual) and contravariant vectors based on transformation properties. Students practice index notation and Einstein summation convention.

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Lenny
1/17
Lesson
Curvilinear Canvas Slides
Coordinate Shift Workshop

Curvilinear Coordinates and Basis Vectors

Students analyze vector quantities in non-Cartesian systems (cylindrical, spherical, and general curvilinear). They distinguish between holonomic and non-holonomic bases and calculate local basis vectors.

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Lenny
1/17
Lesson
Convergence Horizon Slides
Quantum Completeness Case Study Discussion Guide
Sequence Reflection Exit Ticket

Banach and Hilbert Spaces

Analyze complete normed and inner product spaces (Banach and Hilbert) and their applications in physics.

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Lenny
1/17
Lesson
Dual Perspectives Slides
Functional Mapping Exercise Worksheet
Riesz Proof Breakdown Teacher Resource

Dual Spaces and Linear Functionals

Investigate dual spaces, linear functionals, and the Riesz Representation Theorem.

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Lenny
1/17
Lesson
Orthogonal Insight Slides
Geometric Generalizer Activity Worksheet
Gram Schmidt Guide Answer Key

Inner Product Spaces and Orthogonality

Explore inner product spaces, orthogonality, and the Gram-Schmidt process in general spaces.

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Lenny
1/17
Lesson
Metric Morphosis Slides
Norm Nuance Analysis Worksheet
Inequality Reference Sheet Student Resource

Normed Spaces and Generalized Magnitude

Introduce Normed Linear Spaces to define magnitude, comparing L-p norms and analyzing convergence.

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Lenny
1/17