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Modelica --constrainedby-- missing on constrained models
I try to structure a package in the following way
package TopLevel
package Examples
model Example
end Example;
end Examples;
package Components
model TwoPhase
replaceable ...
0
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0
answers
102
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How to solve this complex equation in MATHEMATICA?
I am trying to solve a complex integral equation including an infinite continued fraction.
Continued fraction to order n=50
$Version
(*14.2.0 for Microsoft Windows (64-bit) (December 26, 2024)*)
...
2
votes
1
answer
566
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Running Wolfram Engine in Visual Studio Code
I downloaded the Wolfram Engine and have verified that it works by running it in the terminal.
I also downloaded a VSC extension for the Wolfram Langauge: https://github.com/WolframResearch/vscode-...
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0
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73
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Why does Mathematica says it didn't create a context when Needs was evaluated but it does?
In Mathematica 14.0.0 (MacOS Sonoma 14.4.1) I made a simple package consisting of two "sub packages". One of them is loaded as "private" from with the main package:
The package ...
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0
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45
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Difference between Rule and Pattern
Please, explain me the main difference between the Rule and the Pattern in the following examples:
Why we are got the different results for -> and :>?
Another one thing I want to reproduce is ...
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0
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39
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Printing Issue of Greek Characters in Jupyter Notebook with Wolfram Engine Kernel
I use Jupyter Notebook with the Wolfram Engine, and I write the command:
Print["Συνάρτηση Green"]
However, instead of printing:
Συνάρτηση Green
it prints:
[CapitalSigma][Upsilon][Nu]:03ac[...
0
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1
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107
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Solution of Consumer problem in Wolfram Mathematica doesn't work
I'm trying to solve a contrained consumer problem with Cobb-Douglas preferences with Wolfram Mathematica 13.1. This problem is simple and can be solved analyticaly.
But my code doesn't work.
Utility = ...
0
votes
1
answer
149
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Area under parametric curves
I would like to find the area under the following parametric plot in Wolfram Mathematica:
F[j_] := NIntegrate[2 Sqrt[1 - j^2/r^2], {r, j, 1}]
ParametricPlot[{{F[j], F[j] + 2 Pi*j}, {F[j] + 2 Pi *j, F[...
1
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0
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69
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Using the Wolfram API in python to obtain directions between multiple (lat, lng) points
I am trying to get the directions between multiple (lat, lng) points in python using the Wolfram API. I know this works on the wolfram notebook but I was wondering how I could adapt it to work with ...
0
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1
answer
108
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How to 3D plot a 2 parameter function that includes a definitive integral, using Wolfram Alpha?
I'm trying to plot the following function using Wolfram Alpha:
I have used the following natural language query:
plot (x^2 − ( Integrate sqrt(1 − t) ) , for x from 0 to 5, for y from -4 to 1)
I'm ...
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0
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48
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Wolfram format for mathmatics equations
I am trying to solve a system of 4 equations in Wolfram.
x4 - x1 + x2 - x1 - b - b x1 =0 , x1 -x2+x3-x2 - b- b x2=0 , x1 -x4+x3-x4 + b - b* x4=0, x4 -x3+x2-x3 - b -b* x3=0 , b > 0, solve for{x1,x2,...
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2
answers
104
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How to formulate this simple mathematical riddle in Wolfram Language
I'm trying to formulate the below question into a computable wolfram language solution, but can't seem to get it right.
Question:
Place three piles of matches on a table, one with 11 matches, the ...
1
vote
1
answer
256
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Power: Infinte expression 1/0 encountered
I am working on a Mathematica lab that involves the Folium of Descartes. I am trying to find vertical and horizontal tangent lines and then plot them with the folium in the same graph. I keep getting ...
0
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2
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428
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Wolfram Mathematica is returning an incorrect derivative for the function (16x-4^x)/2x
In Mathematica, I open a new notebook and define the function f(x) as:
f[x_]=((16x-4^x)/2x)
Then, I calculate the derivative with the command:
f'[x]
This returns the following:
1/2 (-4^x + 16 x) + 1/2 ...
1
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1
answer
119
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Mean and SD representation using Epilog lines on graph ( In Mathematica)?
I am working in Mathematica with data set and have plotted them in the form of 2D graph. How to take Mean and SD of some specific range in the graph and to show them using horizontal and vertical ...