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A core Course on Modeling
Introduction to Modeling 0LAB0 0LBB0 0LCB0 0LDB0 S.5
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define formalize execute conclude context initial problem
initial problem conceptual model conceptualize conceptual model formal model formalize formal model result execute result resolve initial problem? conclude 2
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sometimes, all modeling phases may be skipped
3 define conceptualize formalize sometimes, all modeling phases may be skipped execute conclude 3
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sometimes, the formal phases may be skipped
define conceptualize formalize sometimes, the formal phases may be skipped execute conclude A geographic map and/or a compass are examples of conceptual models that may help to solve problems without further need for formal manipulations. 4
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sometimes, the formal phases may be skipped
QUIZ A map and compass form a (material) model of a piece of terrain, serving the purpose ‘decision making’ without need for a formal model. Give another example. define conceptualize formalize sometimes, the formal phases may be skipped execute conclude A geographic map and/or a compass are examples of conceptual models that may help to solve problems without further need for formal manipulations. 5
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sometimes, the formal phases may be skipped
define conceptualize formalize sometimes, the formal phases may be skipped execute conclude A geographic map and/or a compass are examples of conceptual models that may help to solve problems without further need for formal manipulations. 6
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define formalize execute conclude conceptualize formulate purpose
Negotiate with problem owner; reach explicit agreement What problem are we solving? What context? What purpose? What will be done with the results? 7
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define formalize execute conclude conceptualize formulate purpose
identify entities formalize execute conclude What entities do we consider? What properties do we have per entity? 8
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define formalize execute conclude conceptualize formulate purpose
9 define formulate purpose conceptualize identify entities choose relations formalize execute conclude What qualitative relations do these entities have? 9
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define formalize execute conclude conceptualize formulate purpose
10 define formulate purpose conceptualize identify entities choose relations formalize obtain values execute conclude Which properties have known values (and which not)? How do we obtain (measure?) the required values? Which properties do we need to know 10
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define formalize execute conclude conceptualize formulate purpose
11 define formulate purpose conceptualize identify entities choose relations formalize obtain values formalize relations execute conclude How do translate relations to formal relations? 11
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define formalize execute conclude conceptualize formulate purpose
12 define formulate purpose conceptualize identify entities choose relations formalize obtain values formalize relations execute operate model conclude What can we / must we do with the model? How can we do that? 12
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define formalize execute conclude conceptualize formulate purpose
13 define formulate purpose conceptualize identify entities choose relations formalize obtain values formalize relations execute operate model obtain result conclude What result do we get out? 13
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define formalize execute conclude conceptualize formulate purpose
14 define formulate purpose conceptualize identify entities choose relations formalize obtain values formalize relations execute operate model obtain result conclude present result In which context should we present the result? What presentation is appropriate? 14
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define formalize execute conclude conceptualize formulate purpose
15 define formulate purpose conceptualize identify entities choose relations formalize obtain values formalize relations execute operate model obtain result conclude present result interpret result In which context should we present the result? What presentation is appropriate? What does the result mean? What further conclusions can we draw from it? 15
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r e f l e c t i o n define formalize execute conclude conceptualize
formulate purpose conceptualize identify entities choose relations formalize obtain values formalize relations execute operate model obtain result r e f l e c t i o n conclude present result interpret result 16
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define Right problem? formalize execute conclude (problem validation)
formulate purpose Right problem? (problem validation) conceptualize identify entities choose relations formalize obtain values formalize relations execute operate model obtain result conclude present result interpret result 17
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define Right problem? Right concepts? formalize execute conclude
formulate purpose Right problem? (problem validation) conceptualize identify entities choose relations Right concepts? (concepts validation) formalize obtain values formalize relations execute operate model obtain result conclude present result interpret result 18
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define Right problem? Right concepts? Right model? formalize
formulate purpose Right problem? (problem validation) conceptualize identify entities choose relations Right concepts? (concepts validation) formalize obtain values formalize relations Right model? (model verification) execute operate model obtain result conclude present result interpret result 19
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define Right problem? Right concepts? Right model? formalize
formulate purpose Right problem? (problem validation) conceptualize identify entities choose relations Right concepts? (concepts validation) formalize obtain values formalize relations Right model? (model verification) Right outcome? (outcome verification) execute operate model obtain result conclude present result interpret result 20
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Right answer? define Right problem? Right concepts? Right model?
formulate purpose Right problem? (problem validation) conceptualize identify entities choose relations Right concepts? (concepts validation) formalize obtain values formalize relations Right model? (model verification) Right outcome? (outcome verification) execute operate model obtain result Right answer? (answer verification) conclude present result interpret result Why is this relevant? 21
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