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Model Perspective
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Model Perspective

Insights, knowledge, and enjoyment from a mathematical modeling researcher and educator. Hosted by Haihua Wang, a modeling instructor and author of "Clever Use of Chat for Mathematical Modeling", "Modeling: The Mathematics of Thinking", "Mathematical Modeling Practice: A Hands‑On Guide to Competitions", and co‑author of "Mathematical Modeling: Teaching Design and Cases".

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Recent Articles

Latest from Model Perspective

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Model Perspective
Model Perspective
Apr 20, 2026 · Industry Insights

How a Head‑Controlled Wheelchair Turns Lab Research into Real‑World Freedom

The article examines the technical and human challenges of turning a simple IMU‑based head‑controlled wheelchair prototype into a reliable, everyday mobility solution for a high‑level spinal‑injury patient, highlighting sensor noise, environmental variability, user‑specific adaptations, and the broader lesson that engineering should serve concrete, real‑world problems.

EngineeringR&Daccessibility
0 likes · 11 min read
How a Head‑Controlled Wheelchair Turns Lab Research into Real‑World Freedom
Model Perspective
Model Perspective
Apr 19, 2026 · Industry Insights

How Humanoid Robots Slashed Marathon Times from 2h40 to 50 min – A Mathematical Analysis

The article models the dramatic performance jump of Chinese humanoid robots in half‑marathon races, explains the exponential decay curve built from two data points, examines cooling, weight reduction, battery, and navigation breakthroughs, and discusses the broader industry implications and limits of this rapid progress.

AIHumanoid RobotsPerformance Modeling
0 likes · 9 min read
How Humanoid Robots Slashed Marathon Times from 2h40 to 50 min – A Mathematical Analysis
Model Perspective
Model Perspective
Apr 18, 2026 · Industry Insights

Why Do Chinese Professors ‘Rescue’ Failing Students? A Game-Theoretic Analysis

The article examines the widespread practice of “rescuing” borderline‑failing students in Chinese universities, modeling teachers' decisions with an expected‑utility framework, exploring incentive structures, threshold effects, and collective‑action dilemmas that drive grade inflation and its long‑term consequences.

educationgame theorygrade inflation
0 likes · 9 min read
Why Do Chinese Professors ‘Rescue’ Failing Students? A Game-Theoretic Analysis
Model Perspective
Model Perspective
Apr 17, 2026 · Industry Insights

How a Korean Math Comic Turns Storytelling into Powerful Learning

The "Adventure Island" math comic series blends narrative adventure with rigorous mathematics, using a three‑stage story‑explanation‑exercise format and research‑backed design principles such as narrative‑driven learning, dual‑coding theory, and intrinsic motivation to lower entry barriers and engage young learners.

dual codingeducational comicsintrinsic motivation
0 likes · 15 min read
How a Korean Math Comic Turns Storytelling into Powerful Learning
Model Perspective
Model Perspective
Apr 16, 2026 · Industry Insights

Unpacking the Multi‑Layer Costs of the 2026 US‑Iran Conflict

The article breaks down the 2026 US‑Iran war into short‑term, mid‑term and long‑term cost layers, provides rough monetary estimates for each, and argues that the true price includes irreversible weapon loss, eroded ally trust, global perception shifts, and domestic political legitimacy—all far beyond the visible dollar figures.

Industry Insightsconflict economicsmilitary cost analysis
0 likes · 9 min read
Unpacking the Multi‑Layer Costs of the 2026 US‑Iran Conflict
Model Perspective
Model Perspective
Apr 15, 2026 · Industry Insights

Why Are Chinese Hotels Closing? A Budget‑Constraint Analysis of Shifting Consumer Demand

The article applies a classic budget‑constraint model to China's 2025 hotel market, revealing how slowed income growth, cheaper travel alternatives, and lifestyle changes force consumers to downgrade or skip overnight stays, concentrating demand in low‑price segments and threatening mid‑range hotels.

Budget ConstraintChina HospitalityConsumer Demand
0 likes · 8 min read
Why Are Chinese Hotels Closing? A Budget‑Constraint Analysis of Shifting Consumer Demand
Model Perspective
Model Perspective
Apr 14, 2026 · Industry Insights

What Drives the US Blockade of Iranian Ports? Game Theory and Oil Supply Shock Insights

The US Central Command’s April 13 blockade of Iranian ports in the Strait of Hormuz is examined through the lens of the Chicken Game, credible commitment, and quantitative supply‑shock modeling, revealing who bears the brunt, the likely price impact, and broader strategic implications for global energy markets.

EnergyGeopoliticsInternational Relations
0 likes · 8 min read
What Drives the US Blockade of Iranian Ports? Game Theory and Oil Supply Shock Insights
Model Perspective
Model Perspective
Apr 12, 2026 · Industry Insights

Why Loud Quit Threats Stay and Silent Workers Actually Leave

Applying decision‑theory and game‑theoretic models, the article explains why employees who loudly threaten to quit often stay, while silent workers quietly prepare to leave, describing utility comparisons, a complaint‑as‑pressure‑release mechanism, cheap‑talk signaling, and two stable workplace equilibria with practical implications for observers, managers, and individuals.

Decision TheoryPsychologyemployee turnover
0 likes · 8 min read
Why Loud Quit Threats Stay and Silent Workers Actually Leave
Model Perspective
Model Perspective
Apr 9, 2026 · Industry Insights

Why the Silly Big Personality Test Feels So Accurate: A 15‑Dimensional Clustering Analysis

The article dissects the Silly Big Personality Test (SBTI), explaining its 15‑dimensional Euclidean space, threshold‑based hierarchical clustering, statistical tricks like the Barnum effect, and its viral spread as a social meme, while highlighting the scientific limits of such entertainment‑focused assessments.

Barnum effectData AnalysisPsychology
0 likes · 7 min read
Why the Silly Big Personality Test Feels So Accurate: A 15‑Dimensional Clustering Analysis