# Questions tagged [webmathematica]

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

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102 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?
354 views

### 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 ...
57 views

### 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
202 views

### 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
52 views

### 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. ...
1k 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?
137 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 ...
144 views

### I need help in complements of subsets

I have two subsets and tried this expression with MapThread: ...
1 vote
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 ...
519 views

### Finding the frequency of letters in a string

Given the following string: ...
84 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 ...
180 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 ...
78 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}}}
83 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. ...
1k views

### 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 ...
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 ...
1 vote
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 ...
189 views

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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; ----------------------------------------...
1 vote
199 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: ...
61 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 ...
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 ...
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?
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 ...
1 vote
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 ...
3k views

### 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 ...
1 vote
76 views

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,” ...
1 vote
104 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 ...
174 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 ...
66 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 ...
122 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 ...
1 vote
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,...
346 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 ...
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 ...
172 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 ...
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2k 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?
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 ...
1 vote
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. ...
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? ...
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 ...
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!
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 ...
3k views

### 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 vote
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1 vote
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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-...
89 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 <...
133 views

### How to display a True/False table [closed]

Below is my written program ...
1 vote