Questions tagged [webmathematica]
For all questions relating to webMathematica. Not for questions relating to Mathematica Online.
107
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2
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102
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How to write a function with many variables to represent the following in Show
How can I write a function with many variables to represent the following in Show and get figures?
CommunityBot
- 1
5
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2
answers
354
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An integral using Mathematica or otherwise
Consider the unit square integral $$I=\int_{(0,1)^5}\frac{x(1-x)y(1-y)u(1-u)v(1-v)w(1-w)}{(1-(1-xyuv)w)^2}\ dxdydudvdw$$
Using Mathematica or otherwise I need a closed form of I, possibly in terms of ...
- 14.9k
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0
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57
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How to compile a tools based on WL to C/C++
I am a new comer to learn WL.
I tried to compile a tool named qmritools into c code version.
After searching for some methods like ...
1
vote
1
answer
202
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Mathematica cannot find intersection of two functions [closed]
Why mathematica cannot solve this extremely easy equation?
g[x_] := -x + 2
h[x_] := 3 x
f[x_] := -x^2 + 4
CommunityBot
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52
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Forecast of 100 days prices using ARIMA-GARCH model but I encountered error saying the input for garch model is not valid
The below section is the data I take to do the ARIMA-GARCH model.
...
- 5,370
7
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1
answer
1k
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How to use Mathematica with hardly any financial resources
I'm a student from Afghanistan and I like to use Mathematica to experiment with as a hobby. But I cannot afford it. Does any one know of a free option?
0
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1
answer
137
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Mathematica code to compute a constant
I am reading an interesting paper One of the numbers ζ(5), ζ(7), ζ(9), ζ(11) is irrational by Zudilin. We fix odd numbers $q$ and $r$, $q\geq r+4$ and a tuple $\eta_0,\eta_1,...,\eta_q$ of positive ...
- 179
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3
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144
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I need help in complements of subsets
I have two subsets and tried this expression with MapThread:
...
- 29.1k
1
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0
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69
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One problem with ListPlot3D [duplicate]
I plot a table in Mathematica using ListPlot3D. The table contains very simple data but the resulting plot is very weird at least for me. I expect that the plot should look like a rectangle in 3D but ...
- 27.7k
3
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6
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519
views
2
votes
1
answer
84
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Nintegrate and Integrate don't give same results
I am trying to compute an integral of the form
$\int_{\frac{1}{10000}}^{\frac{1}{1000}}g(x)x e^{3ix}$
in Mathematica both numerically and analytically. $g(x)$ is equal to
...
- 119
-2
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2
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180
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How do I create cobweb iterations or stair steps **WITH ARROWS** to show attractive and repulsive fixed points for a graph? [closed]
I'm new to Mathematica, so I would appreciate any help. How do I create cobweb iterations or stair steps WITH ARROWS to show attractive and repulsive fixed points for this graph?
I want it to look ...
- 31.7k
-1
votes
1
answer
78
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How to extract f from given data data in mathematica
How to get all f separately in a table in mathematica
T={{{a=0.3,b=2,c=5,f=5}},{{a=0.6,b=0.2,c=1.5,f=0.33}},{{a=0.13,b=2,c=7,f=11}}}
- 54.6k
0
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1
answer
83
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Graphing and calculating the volume using mathematica (or other)
I posted the following in MSE: (See Here)
Consider two cylinders Cs (solid) and Ch (hollow):
Cylinder Cs has a radius rs, and has the points (x1,y1,z1) and (x2,y2,z2) as the centers of its bases.
...
- 5,222
15
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4
answers
1k
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Implementing a 100% Mathematica http server
I would like to dedicate a small machine to exclusively running a Mathematica kernel and use that kernel to read http requests arriving on port 80, treat them and send http responses back without any ...
- 1,365
5
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3
answers
1k
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Jacobian matrix evaluation at a point [duplicate]
I have a vector function $ f(x,y) = (f_1(x,y), f_2(x,y) ).$ I need to find the Jacobian matrix for $f$ evaluated at the point $(x,y) = (a,b).$
I learnt that I can use something like the following on ...
- 29.1k
1
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2
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152
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How can I plot a hexagon inside this cylinder so that it is always in the same direction as the cylinder, no matter what the orientation is?
How can I plot a hexagon inside this cylinder so that it is always in the same direction as the cylinder, no matter what the orientation is? In addition, the hexagon must always be the same size as ...
CommunityBot
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189
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0
votes
1
answer
76
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How can I put a condition inside a condition in mathematica? [closed]
The first part I programmed in python, in the second part I transcribed some parts for Mathematica
s1=3;
s2=-3;
s3=0;
se=5;
----------------------------------------...
- 12.7k
1
vote
1
answer
199
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code in mathematica for the game of guessing
Can we write code in Mathematica for the game where the user guesses an integer between 1-99 produced by the computer? If you have any ideas, I would be glad if you could help. I tried this:
...
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0
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61
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How can Integrate of conjugate transpose in mathematica?
please help me to integrate this matrix in matematica:
0 ConjugateTranspose[u[x,t]] (u_x)[x,t]+I vx,t[x,t] 0
-ConjugateTranspose[u[x,t]] (u^(1,0))[x,t]-I vx,t[x,t] 0 0
0 ...
0
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1
answer
257
views
Plot streamplot for two stability point for Jacobian
I have two points (0,0) and (5,-5). How can I plot the stability phase diagram for these two points in a single StreamPlot in Mathematica by showing those points ...
- 42.1k
0
votes
1
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43
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How to make a matrix that had diffrentation without functions
I want to make a matrix in Mathematica that looks like this:
Any idea on how I can do this?
- 69.5k
0
votes
1
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59
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Manipulating the plots obtained from NDSolve
I am trying to manipulate my parameters eNA, eNM, eMA, eMN, eAM, eAN in the following plot obtained from using NDSolve on my set of differential equations. But I can't find a way to do it. The ...
- 54.6k
1
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1
answer
53
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How I can import data from URL by using output of GoogleCustomSearch?
I am trying to make a word cloud from all URLs that are as outputs after using google custom search so I think I need to read those URLs as data or text to can make a word cloud
this is code just you ...
- 10.3k
10
votes
4
answers
3k
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Failed to connect remote Mathematica kernel using J/Link
I'm trying to connect to a remote Mathematica 8 kernel (on a Windows machine) using J/Link. On the client machine, I put the JLinkNativeLibrary.dll file in ...
- 121
1
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0
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76
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Dynamic Spreadsheet
Fellow Mathfolk,
Please excuse if this question sounds like it’s coming from someone who doesn’t know what they’re talking about.
I own iGrow.net & am trying to imbed a “dynamic spreadsheet,” ...
- 33
1
vote
1
answer
104
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Compute the polynomial interpolation of the points (xi, 1/(1 + x^2)) for xi = −2, 1, 0, 1, 2 [closed]
How can I be able to setup a mathematica code using a Vandermonde matrix? We had to plot the interpolated polynomial and regular polynomial. I had this but we aren't supposed to use the built-in ...
- 25.6k
3
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0
answers
174
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Create my own voice on Mathematica 12 [closed]
I want to create my own voice on Mathematica 12 and use it
for this function
SpeechSynthesize["Hello"]
We can use theses voices on Mathematica
...
- 169
2
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0
answers
66
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Clouddeploy and iframes
I am trying to migrate from webMathematica to Mathematica online on my educational website:
https://sameradeeb-new.srv.ualberta.ca
I ran into the following two problems:
1) Having multiple iframes ...
- 51
3
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0
answers
122
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How to embed a plot drawn by Mathematica into a webpage
In this webpage for Calculus, page
the author presented graphs of surfaces in 3D so that we can interact with (rotating, zooming).
My question: can we create a graph using Mathematica and then ...
- 435
1
vote
0
answers
58
views
Alter maximum output size from Linux command line
I recently installed Wolfram Mathematica in a instance in Google Cloud using GPUs and I'm running it inside Jupyter Notebook, Python 3, using Wolfram Client library. However, big outputs, like a 400,...
- 149
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2
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346
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Build API without the WolframCloud?
I'd like to have my code and api deployed, but not to the Wolfram Cloud. I have a an APIFunction, and I'd like to CloudDeploy it ...
- 2,060
2
votes
1
answer
148
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How to put a loop in a loop
I am doing some work with black-scholes. As commented within my code, I need my while loop to run 100 times. I am not sure if the best way to do this is with a nested argument or placing a for loop or ...
- 399k
0
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0
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172
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How to time shift x-axis in mathematica simulation?
I have a simulation from a system of equations that runs from 0 to 50
Normal =
NDSolve[{A /. Parameter, A[0] == .1}, {A[t]}, {t, 0, 50}];
That produces:
Now ...
- 261
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65
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5
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1
answer
2k
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How to use Mathematica in AWS cloud?
I have a free account in AWS cloud for 1 year for $750$ hours. How to run Mathematica in AWS cloud? And is Mathematica chargeable in AWS cloud?
- 2,060
3
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0
answers
177
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Can I use Mathematica to build a complex website? [closed]
I have made all of the pages in WIX. But there is one page, basically, a form page, that WIX currently don't provide dynamic feature. Given that mathematica also is good with Data analyses in the ...
- 9,863
1
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0
answers
54
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webMathematica Settings in Wolfram Workbench
I have Wolfram Workbench installed in the Eclipse IDE. Now I am trying to setup the connection in the webMathematica plugin for Workbench to connect to a remote server installed with webMathematica. ...
- 111
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1
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70
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How can I Reduce the covariance Matrix?
How can I reduce this covariance matrix? And also plot its eigenvalues? and how to compute its eigenvectors? Can we compute its eigenvalues and eigenvectors without reducing in compact form?
...
- 109k
6
votes
0
answers
211
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POST request content type, huge performance difference
I have a page on web mathematica that reads the value of the POST request's payload and responds accordingly. I've noticed a huge difference in the time the server takes to respond depending on the ...
- 113k
-1
votes
1
answer
47
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How to calculate this limit？ [closed]
Here is my question:
$\displaystyle\lim_{n\rightarrow \infty}n^2[(1+\frac{1}{1+n})^{n+1}-(1+\frac{1}{n})^{n}]=?$
Any hints will be fine. Thank you!
- 109k
13
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0
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343
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Wolfram new products
Can someone elaborate on the products relating to Wolfram Cloud? They all seem the same.
When I login to Wolfram Cloud there's:
Wolfram One
Wolfram Development Platform
Wolfram Programming Lab
...
- 13.5k
30
votes
6
answers
3k
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Graph databases / Nosql with Mathematica
I am very new to mathematica but it looks like an interesting language and I would like to explore it for a future project to create a web search engine. It seems like it would be fairly well suited ...
1
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1
answer
99
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1
vote
0
answers
82
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Which version of webMathematica should I use for mathematica 10.3?
Where can I find which version of webMathematica is compatible with which version of mathematica? The only hint I've found is this page: http://support.wolfram.com/kb/22167 but it's focused on end-of-...
- 211
2
votes
1
answer
89
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Regression Line in Mathematica using FIT function
I dont know if I am confused or if I am doing this incorrectly.
I have two data sets
a={1,2,3,4,5}
b={6,7,8,9,10}
Mathematica will translate the sets as
<...
- 109k
4
votes
1
answer
133
views
1
vote
1
answer
1k
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Plotting a few Maclaurin Series in Mathematica
I would like to plot the Taylor polynomials for several functions. Specifically:
Exp[Sin[x]]
( x^2 + Exp[ x ] )^( -1 )
and
...
- 241k
1
vote
1
answer
237
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Use FIT to calculate regression line from two sets of data
I figure out how to figure out the regression line using fit {I need to use FIT} for one set of number. However, I have to combine two sets and figure out the regression line.
...
- 14.5k