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Questions tagged [modeling]

Modeling is the constructing and manipulating abstract (mathematical and/or graphical) representations of economic, engineering, manufacturing, social, and other types of situations and natural phenomenon, simulated with the help of a computer system.

Modeling is the construction and manipulation of abstract (mathematical and/or graphical) representations of economic, engineering, manufacturing, social, and other types of situations and natural phenomenon, simulated with the help of a computer system.

2023 questions
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OO Interface translation to Haskell

My specific problem is actually not about the general translation of an OO interface to Haskell. This is just the best title I could come up with. Yet, I'm sure that my problem originates from a still poor understanding of modeling code with Haskell…
Eugen
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What are the differences between BPMN and CMMN?

Although BPMN and CMMN have different symbols, they both seem to represent the activities that happen in a scenario somehow. Are the two standards interchangeable (at least in some situations)? If not, when should I use BPMN / CMMN? Thank you!
Kyle Costello
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How to start modelling a web application?

I ask this, because tomorrow is my first meeting with the client, in which she tells me, what she is doing right now (by hand) and what it is, what the new web-application should do in the end. I wondered, what I do during she shows me the steps of…
bl4ckb0l7
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Django OneToMany

I'm implementing a small e-shop application in django. My question concerns modelling an Order with many OrderLines: How to model the Order to OrderLines relationship with the OrderLines accessible directly from the Order, i.e. Order def…
paweloque
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What is a clabject?

I am trying to find a clear definition of clabject. Has anyone a good one ?
JCLL
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Consistent terminology: Modeling, DAE, ODE

I am new to the subject "modeling of physical systems". I read some basic literature and did some tutorials in Modelica and Simulink/Simscape. I wanted to ask you, if I understand the following content correctly: Symbolic manipulation is the…
AssMero
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Super-fast rounding function (PBC)

I really need very fast round() function in C - it is necessary for Monte Carlo particle modeling: at every step you need to wrap coordinates into periodic box to compute volume interactions : for example for(int i=0; i < 3; i++) { coor.x[i] =…
Rsmmnt
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How to document software algorithms?

I'm working on a large project for a university assignment, we're developing an application that is used by a business to compile quotes for their various services. I need to document the algorithms in a way that the client can sign off on to make…
Chris
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How to combine class design and matrix math efficiently?

For a while now I'm mentally plagued by the clash of two design philosophies for physical systems modeling and I'm wondering what kind of solutions the community came up for this. For complex(er) simulations, I love the abstraction of creating…
K.-Michael Aye
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How can I draw diagrams from database in python

How can I visually model items in a database using python? I have a Django project that currently models my home network in the admin views. It currently describes what devices there are and what they are connected to. For example: Devices: …
JamoBox
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uml component diagram difference between assembly and interfaces with dependency

Can someone explain in what's the difference between elements marked in diagram? I think it only depends on how many interfaces we want to connect. Am I right? https://i.stack.imgur.com/9EVln.png
user3565261
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Simple algorithm modeling stock market behavior

I have been working on a virtual stock market game using PHP. The formula that I have been using for deciding the price of a stock is $price += $ran*0.001*$price + $ratio*0.005*$price where $ran = rand(-1*$intensity, 2*$intensity) $intensity is a…
Archit Verma
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How to generate Java from online UML models?

I need to create UML class diagram online and to generate Java code from it. Drawing tools such as cacoo don't allow to generate code as they are not real UML modelers. Does anybody know an UML online tool that generates Java code? Thanks for your…
user2594748
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Relationship between GEF and GMF?

I'm working on summary on the eclipse modeling project and its various sub - projects. It is not going to get published, it's sole purpose is to help my colleagues and above all my boss to get an overall impression of the topic. For better…
Patrick
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how do you organize your model code in asp.net-mvc?

it seems like in my model folder, all of my classes fits into one of 3 buckets: Pure POCO data objects / business Objects Repository implementation code to query databases and external services Helper code. Is this normal and is there a best…
leora
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