The Zero Saga
Posted by Armando Brito Mendes | Filed under Investigação Operacional, matemática
debate um erro comum em IO x/zero=infinito
- Introduction
- A Common Fallacy
- Dividing by Zero Can Get You into Trouble!
- A Sample of the Grown-ups’ Arguments Insisting on Dividing by Zero
- What About Taking the Limit?
- Educating the Educators
- Act of Dividing by Zero Is a Meaningless Operation: Forget Its Result
- Origin of the Common Fallacy: Dividing by Zero
- The Need for Numbers
- The Two Notions of Zero
- Is Zero Either Positive or Negative?
- Is Zero an Even or Odd Number?
- Zero is “not there”
- Is 1 a Number or Just a “Unit” for Counting?
- Origin of Infinity and its Symbol
- Other Apparent Difficulties with Zero
- Descartes’ Representations of Numbers
- Mathematics Is for Unification and Extensions
- Genealogy of Rational and Irrational Numbers
- The Two Numbers Nature Cares Most: Inventions or Discoveries
- Equation: Its Structure, Roots, and Solutions
- SQRT(4) = +2, and – 2 right? Misplacement of the Sign
- 1 = 2 right? Confusions between Continuous and Discrete Variables
- 1 = 5 right? Confusions between Numbers and Operations
- Recurring Fractions Are Rational Numbers: Confusions between Series and Their Limits
- IEEE Special Floating Point
- 0 = 1 right?
- From Finger Numbers to Computer: The Most Fascinating Journey
- Errant Views and Calculator-assisted Experiment
- Notes, Further Readings, and References
- A Collection of JavaScript E-labs Learning Objects
Europe Mirror Site Collection
Tags: definição, otimização
Linear Optimization with Applications
Posted by Armando Brito Mendes | Filed under Investigação Operacional, matemática, materiais ensino
Uma boa página sobre programação linear
- Introduction & Summary
- Optimization-Modeling Process
- Ingredients of Optimization Problems and Their Classification
- Linear Programming (LP)
- Dual Problem: Its Construction and Economics Implications
- Learning From the Optimal Strategy
- Goal-Seeking Problem
- Exercise Your Knowledge to Enhance What You Have Learned (PDF)
- Linear Optimization Solvers to Download (free-of-charge),
Tags: otimização, problemas
The Science of Better
Posted by Armando Brito Mendes | Filed under Investigação Operacional
what is O.R.?
In a nutshell, operational research (O.R.) is the discipline of applying advanced analytical methods to help make better decisions.
Tags: análise de sistemas, intro IO, otimização, problemas
