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Questions tagged [webmathematica]

For all questions relating to webMathematica. Not for questions relating to Mathematica Online.

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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. ...
VishnuPrasad 's user avatar
0 votes
1 answer
134 views

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 ...
Max's user avatar
  • 155
4 votes
3 answers
144 views

I need help in complements of subsets

I have two subsets and tried this expression with MapThread: ...
Alyasaa Jasim's user avatar
1 vote
0 answers
69 views

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 ...
HadamardN2's user avatar
2 votes
1 answer
83 views

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 ...
HadamardN2's user avatar
-2 votes
2 answers
174 views

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 ...
boii's user avatar
  • 43
-1 votes
1 answer
77 views

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}}}
Pulakesh Borah's user avatar
0 votes
2 answers
88 views

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?
Chin Ching CHAN's user avatar
0 votes
1 answer
82 views

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. ...
Hussain-Alqatari's user avatar
5 votes
3 answers
1k views

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 ...
Zizo's user avatar
  • 153
0 votes
0 answers
182 views

How to extract the numerical values in the tables

...
Calculations Statistics's user avatar
0 votes
1 answer
76 views

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; ----------------------------------------...
Yhan Vonchesty's user avatar
1 vote
2 answers
152 views

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 ...
Yhan Vonchesty's user avatar
7 votes
1 answer
951 views

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?
Ashkan's user avatar
  • 121
1 vote
1 answer
198 views

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: ...
seda's user avatar
  • 11
0 votes
0 answers
60 views

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 ...
user79234's user avatar
0 votes
1 answer
252 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 ...
Naomi's user avatar
  • 11
0 votes
1 answer
43 views

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?
Najm Abid's user avatar
0 votes
1 answer
59 views

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 ...
Another_Ramanujan_Fan's user avatar
1 vote
1 answer
53 views

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 ...
May Aly Awad's user avatar
1 vote
0 answers
75 views

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,” ...
SDH's user avatar
  • 33
1 vote
1 answer
103 views

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 ...
Bob Duncan's user avatar
3 votes
0 answers
172 views

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 ...
Garuda Ikëtum's user avatar
2 votes
0 answers
65 views

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 ...
Samer Adeeb's user avatar
3 votes
0 answers
121 views

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 ...
Binjiu's user avatar
  • 435
1 vote
0 answers
56 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,...
razimbres's user avatar
  • 149
2 votes
1 answer
148 views

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 ...
subrinarafiq's user avatar
0 votes
0 answers
169 views

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 ...
grading's user avatar
  • 261
0 votes
0 answers
65 views

How do I change the axes?

...
Michael's user avatar
5 votes
1 answer
1k views

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?
a b's user avatar
  • 99
3 votes
0 answers
177 views

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 ...
user1470393's user avatar
3 votes
6 answers
511 views

Finding the frequency of letters in a string

Given the following string: ...
beemen's user avatar
  • 193
1 vote
0 answers
54 views

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. ...
IlludiumPu36's user avatar
0 votes
1 answer
70 views

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? ...
naveed anjum's user avatar
-1 votes
1 answer
47 views

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!
user58005's user avatar
6 votes
0 answers
211 views

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 ...
flagg19's user avatar
  • 211
1 vote
1 answer
99 views

Modulus of grad

...
pat's user avatar
  • 11
1 vote
0 answers
82 views

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-...
flagg19's user avatar
  • 211
2 votes
1 answer
85 views

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 <...
user2896245's user avatar
4 votes
1 answer
129 views

How to display a True/False table [closed]

Below is my written program ...
Goldy's user avatar
  • 245
1 vote
1 answer
1k views

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 ...
swandog's user avatar
  • 13
1 vote
1 answer
235 views

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. ...
user2896245's user avatar
13 votes
0 answers
343 views

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 ...
I should change my Username's user avatar
2 votes
0 answers
94 views

Low resolution of Math formulas in Wolfram Web Resources [closed]

I use Wolfram Web Resources extensively, but unfortunately, all of the displayed math is in low resolution. Is there a way of viewing (and copying) math in high resolution? For example: http://...
Porcupine's user avatar
  • 121
8 votes
0 answers
399 views

Best Wolfram tool for interactive web-based calculator

A colleague is considering re-implementing this online "Photon Propulsion Calculator" using a Mathematica-based product. I wanted to ask the community which product would be best. WebMathematica ...
ConvexMartian's user avatar
3 votes
1 answer
257 views

webmathematica to share my game?

I wrote the code for a puzzle game. It's written in a notebook that I would like to share on the internet: ...
user45643's user avatar
1 vote
3 answers
185 views

limit values from RegionPlot3D?

I want to find the limit value (range) of "x", "y" and "z" on which above above function is positive for given range. for this i use ...
physics_mia's user avatar
0 votes
1 answer
125 views

Integration using Mathematica [closed]

Assuming $0<x,y<1$ and $0<v<1$, consider the function $f(x,y)=1+(1-2x)(1-2y)$. How to find the integral $I=\int_{\{xy+xy(1-x)(1-y)\leq v\}} \,f(x,y)\;dx \, dy$ using Mathematica or Matlab?...
Sudha's user avatar
  • 21
1 vote
1 answer
244 views

Graph not plotting any points [closed]

f [x_] := (x + ln[x] - 3) Plot[f[x], {x, 0, 5}] How come this comes out with an empty graph? I tried this and same results: ...
Jessia's user avatar
  • 11
8 votes
2 answers
343 views

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 ...
M.R.'s user avatar
  • 31.6k