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184 results

OpenMDAO
Multiobjective optimization

Multiobjective optimization is somewhat of a misnomer -- you actually have to have predefined weightings for each of the ...

5:49
Multiobjective optimization

23,129 views

3 years ago

OpenMDAO
Nonlinear and linear systems and solvers

In OpenMDAO terms, your nonlinear system is your model or governing system of equations. Your linear system is a ...

13:15
Nonlinear and linear systems and solvers

1,653 views

3 years ago

OpenMDAO
Basic optimization problem formulation

One of the most important steps in optimization is formulating well-posed and meaningful problems that you can interpret ...

8:52
Basic optimization problem formulation

5,164 views

3 years ago

mathapptician
1   Linear Programming Basics

Here are two examples of linear programming problems. This one here is a minimization problem and this one here is a ...

5:08
1 Linear Programming Basics

12,526 views

10 years ago

mathapptician
1   Linear Programming Duality

And we let (P) denote this linear programming problem. Then the dual problem of (P) is the following linear programming problem.

6:33
1 Linear Programming Duality

3,116 views

10 years ago

mathapptician
1   Dual problem in general

Recall that the dual problem of this minimization problem is defined to be this linear programming problem here. There are a ...

7:50
1 Dual problem in general

1,821 views

10 years ago

OpenMDAO
Fitting tabular data using smooth curve fits

If you're fitting a curve or surface to data and want to ever use gradient-based optimizers or Newton solvers, make sure to do it in a ...

7:03
Fitting tabular data using smooth curve fits

962 views

3 years ago

mathapptician
2  Extreme point optimal solution

You might have observed that when you solve a linear programming problem, you often end up with an optimal solution there is ...

5:48
2 Extreme point optimal solution

4,005 views

10 years ago

OpenMDAO
Debugging your optimizations, part 1

Optimization of complicated multidisciplinary systems is not easy. By following this systematic debugging procedure you can ...

12:08
Debugging your optimizations, part 1

1,648 views

3 years ago

Martin Laskowski
Building a LEGO® Optimization App :) - PART 01: The Problem Description

Full page at https://opt-models.org/compendium/lego/problem-description/) SERIES INTRO: we build an unofficial app for the ...

16:02
Building a LEGO® Optimization App :) - PART 01: The Problem Description

545 views

1 year ago

mathapptician
1   Fundamental Theorem of Linear Programming

The fundamental theorem of linear programming states the following: for any given linear programming problem, exactly one of ...

5:29
1 Fundamental Theorem of Linear Programming

12,395 views

10 years ago

OpenMDAO
Solving coupled systems

When you have a coupled or implicit system, you must use a solver to converge that system. Take time to recognize those systems ...

9:36
Solving coupled systems

2,165 views

3 years ago

Mixed Integer Programming
Suresh Bolusani - Generalized Benders' Decomposition for Multilevel/Multistage Optimization

Part of MIP2020 online workshop: https://sites.google.com/view/mipworkshop2020/home Poster Session 4: Stochastic ...

9:51
Suresh Bolusani - Generalized Benders' Decomposition for Multilevel/Multistage Optimization

1,249 views

5 years ago

mathapptician
3 Faces of a polyhedron
7:15
3 Faces of a polyhedron

2,461 views

10 years ago

NPTEL IIT Bombay
Lecture 13A: Farkas' lemma

Week 7: Lecture 13A: Farkas' lemma.

14:51
Lecture 13A: Farkas' lemma

5,362 views

4 years ago

NPTEL IIT Bombay
Lecture 14A: Complementary Slackness

Week 7: Lecture 14A: Complementary Slackness.

17:02
Lecture 14A: Complementary Slackness

1,130 views

4 years ago

NPTEL IIT Bombay
Lecture 10A: Extreme points and optimal solution of an LP

Week 5: Lecture 10A: Extreme points and optimal solution of an LP.

18:13
Lecture 10A: Extreme points and optimal solution of an LP

1,855 views

4 years ago

mathapptician
3   Minimal faces
4:56
3 Minimal faces

743 views

10 years ago

Wikipedia Fan
Cutting-plane method | Wikipedia audio article

This is an audio version of the Wikipedia Article: https://en.wikipedia.org/wiki/Cutting-plane_method 00:03:16 1 Gomory's cut ...

14:09
Cutting-plane method | Wikipedia audio article

59 views

6 years ago

mathapptician
1   Certifying infeasibility of a system of linear inequalities

Recall the following result from linear algebra: a system of linear equations Ax = b is inconsistent (that is, has no solution) if and ...

8:59
1 Certifying infeasibility of a system of linear inequalities

6,153 views

10 years ago

Spoken-Tutorial IIT Bombay
Optimization Using Karmarkar Function - English

Dear Friends, Welcome to the spoken tutorial on Optimization of Linear Functions with Linear Constraints Using Scilab In this ...

8:00
Optimization Using Karmarkar Function - English

9,989 views

11 years ago

mathapptician
2   Extreme points of polyhedra

Notice that x* satisfies this system of linear equations. But since the rank of this matrix is n, that means x* is the only solution to the ...

4:39
2 Extreme points of polyhedra

7,072 views

10 years ago

NPTEL IIT Bombay
Lecture 18: Multi-stage Problem Definition

Optimal Design Method, Optimal Solutions.

19:29
Lecture 18: Multi-stage Problem Definition

944 views

5 years ago

Operations Research Tezpur University
LPP Manufacturing Industry

Hello friends today in this video We'll learn how to use Microsoft Excel solver for linear programming based optimization problems ...

10:23
LPP Manufacturing Industry

419 views

8 years ago

OpenMDAO
How to debug solvers

Optimizers often push systems to their limits of multidisciplinary analysis, so sometimes solvers don't converge. You can follow a ...

16:32
How to debug solvers

853 views

3 years ago