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1

Studying rotational dynamics with a smartphone—accelerometer versus gyroscope

Braskén, Mats, Pörn, Ray

Journal:

Physics Education

Year:

2017

Language:

english

File:

PDF, 1021 KB

english, 2017

2

Exploring the convex transformations for solving non-convex bilinear integer problems

Iiro Harjunkoski, Ray Pörn, Tapio Westerlund

Journal:

Computers & Chemical Engineering

Year:

1999

Language:

english

File:

PDF, 297 KB

english, 1999

3

Solving Pseudo-Convex Mixed Integer Optimization Problems by Cutting Plane Techniques

Tapio Westerlund, Ray Pörn

Journal:

Optimization and Engineering

Year:

2002

Language:

english

File:

PDF, 571 KB

english, 2002

4

Interactive modeling activities in the classroom—rotational motion and smartphone gyroscopes

Pörn, Ray, Braskén, Mats

Journal:

Physics Education

Year:

2016

Language:

english

File:

PDF, 870 KB

english, 2016

5

Corrigendum: Studying rotational dynamics with a smartphone—accelerometer versus gyroscope (2017 Phys. Educ . 52 045024)

Braskén, Mats, Pörn, Ray

Journal:

Physics Education

Year:

2017

Language:

english

File:

PDF, 149 KB

english, 2017

6

Comparison of different MINLP methods applied on certain chemical engineering problems

Hans Skrifvars, Iiro Harjunkoski, Tapio Westerlund, Zdravko Kravanja, Ray Pörn

Journal:

Computers & Chemical Engineering

Year:

1996

Language:

english

File:

PDF, 427 KB

english, 1996

7

A cutting plane method for minimizing pseudo-convex functions in the mixed integer case

Ray Pörn, Tapio Westerlund

Journal:

Computers & Chemical Engineering

Year:

2000

Language:

english

File:

PDF, 140 KB

english, 2000

8

An extended cutting plane method for a class of non-convex MINLP problems

Tapio Westerlund, Hans Skrifvars, Iiro Harjunkoski, Ray Pörn

Journal:

Computers & Chemical Engineering

Year:

1998

Language:

english

File:

PDF, 714 KB

english, 1998

9

Convexification of different classes of non-convex MINLP problems

Ray Pörn, Iiro Harjunkoski, Tapio Westerlund

Journal:

Computers & Chemical Engineering

Year:

1999

Language:

english

File:

PDF, 156 KB

english, 1999

10

Numerical and environmental considerations on a complex industrial mixed integer non-linear programming (MINLP) problem

Iiro Harjunkoski, Tapio Westerlund, Ray Pörn

Journal:

Computers & Chemical Engineering

Year:

1999

Language:

english

File:

PDF, 374 KB

english, 1999

11

Global solution of optimization problems with signomial parts

Ray Pörn, Kaj-Mikael Björk, Tapio Westerlund

Journal:

Discrete Optimization

Year:

2008

Language:

english

File:

PDF, 958 KB

english, 2008

12

Different transformations for solving non-convex trim-loss problems by MINLP

Iiro Harjunkoski, Tapio Westerlund, Ray Pörn, Hans Skrifvars

Journal:

European Journal of Operational Research

Year:

1998

Language:

english

File:

PDF, 598 KB

english, 1998

13

[Computer Aided Chemical Engineering] European Symposium on Computer Aided Process Engineering-10 Volume 8 || Mixed integer non-linear programming using cutting plane techniques

Year:

2000

Language:

english

File:

PDF, 385 KB

english, 2000

14

On Solving 0-1 Quadratic Programs by Reformulation Techniques

Pörn, Ray, Nissfolk, Otto, Skjäl, Anders, Westerlund, Tapio

Journal:

Industrial & Engineering Chemistry Research

Year:

2017

Language:

english

File:

PDF, 785 KB

english, 2017