Questions tagged [modeling]
21 questions
4
votes
2 answers
Installing Network Simulator (NS-2, allinone) on Linux Mandriva
I downloaded the Network Simulator NS-2 from here -
http://www.isi.edu/nsnam/ns/ns-build.html#allinone
Build ns via GCC 4.2.2 -
tar-xzf ns-allinone-2.35.tar.gz
cd ns-allinone-2.35
./install
Get the error message -
make: *** [tk3d.o] Error…
user182411
3
votes
4 answers
What's a simple way to do sensitivity analysis in Excel?
I have an Excel model of medium complexity that I'm trying to do some sensitivity analysis on. The ideal would be to have, for each of a set of inputs, run over a range of possible values and store the resulting output values (so maybe changing one…
YGA
- 2,035
2
votes
2 answers
Add a bitmap to the ground of a Google SketchUp model?
Is it possible to add a bitmap to the floor ground of a Google SketchUp model?
mullek
1
vote
1 answer
How can I perform business/programming/mindmap 'modeling' in 3d?
Are there any possibilities of modeling in a 3d environment? Not in a Maya or 3d studio MAX way (which I do not have any experience with), but in a UML diagram software kind of way..?
ropstah
- 371
1
vote
1 answer
How do I flip a lens from a catalog in Zemax?
I am pretty new to this ray tracing software. It is simple to add custom surfaces and insert lenses from a catalog, but I can't figure out how to flip left-right a component without having to modify each surface manually.
This would be useful for…
Ando
- 11
- 1
- 3
1
vote
1 answer
3ds Max Rendering
Hey I render 36 frames from different angles to PNG files on 3Ds Max 2013 but now I want to hide a model and make it so all the parts its blocking to also become transparent.
If you don't understand what I mean I don't want to simply "hide" the…
Madmadmax
- 11
1
vote
3 answers
Compiling NOAA WAVEWATCH III got error in Ubuntu
I'm trying to compile the NOAA WW3 model and every time I try to execute w3_make file, I get this message:
*****************************
*** WAVEWATCH III make ***
*****************************
…
Erincon
- 111
1
vote
1 answer
Power BI: advanced query relationships
I need to do left joins in my data model in Power BI. I import my model from SQL Server where I have one big fact table with multiple relationships to dimension tables. Power BI only allows me to do inner joins which allows me to put to my report…
DSCP
- 11
1
vote
2 answers
Excel Forecast model for subscriptions received in advance for next 2 years
I am working on a financial model that contains:
Months in columns (Jan-2020 to Dec-2025)
Number of subscribers per month (column) per package in rows
Price of each package in rows
Doing cash flow is easy as [monthly subscribers (column) x per…
Tee
- 33
- 6
1
vote
1 answer
Automating converstion of files from .MQO to .OBJ
I have a full folder of .MQO 3D model files that I converted from .DAT 3D model files These files can be imported with the program "Metasequoia 4".
I want to import the .MQO file and then export it as an .OBJ.
I have tested this process, and it…
JohnnyMccrum
- 21
- 1
- 3
0
votes
2 answers
Automated Visio Database Model Diagrams
Is it possible to automatically create a Visio database model diagram from a edge list or some sort of source/target file? I am looking to automatically create some sort of data flow diagram in Visio based off of source and target information that…
Jared
- 349
0
votes
0 answers
Excel/OpenOffice spreadsheet template for expected and actual values
I would like to create a spreadsheet to generate graphs about cost items (anything with a cost, doesn't matter what) in order to have:
expected values: these would be created using some formulas to simulate future costs.
actual values: these…
Max Corbeau
- 468
0
votes
1 answer
Network modeling software
What software is good for modeling network architecture?
Essentially, I want to do this:
With what software could this be achieved? I need a free or open source solution. I don't need to do a network simulation, just a simple representations tool…
0
votes
2 answers
Collaborative data modelling software?
I'm trying to find a tool where a lot of people can work on a data model collaboratively. Embarcadero has a an ER application called ER/studio which apparently comes with a repository system that acts like typical version control software. That…
at01
- 279
0
votes
1 answer
Running several sets of assumptions through a model in Excel
Hello and thank you in advance for your help! This question is for excel.
I have created a dynamic model which outputs estimated annual interest revenue, and it depends on 5 inputs (average term length, average interest rate, etc.).
Each month,…
