17 votes

Graph databases / Nosql with Mathematica

Mathematica can also connect to Neo4J via the REST API. Instructions for use on OS X: 1. Install Neo4j 2. start the webserver $ sudo apachectl start 3. start ...
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14 votes

Graph databases / Nosql with Mathematica

For MongoDB instead of using the Rest interface using urls as suggested by Mike, you can use the Java driver. Here's the proof of concept that should allow a lot of fruitful things ... I'm still ...
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  • 10.7k
12 votes

Graph databases / Nosql with Mathematica

I have an open-source MongoDB Mathematica driver here: https://github.com/zbjornson/MongoDBLink. There are quick setup instructions and an overview in the readme. It's built on the official Java ...
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  • 1,168
12 votes

Graph databases / Nosql with Mathematica

Here is one example of how to create a neo4j connection using JDBC driver from this git. The steeps are: 1- Put the JAR file (neo4j-jdbc-2.0.1-SNAPSHOT-jar-with-dependencies.jar) together with other ...
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  • 25.3k
9 votes

How to use Mathematica in AWS cloud?

Install version 11.3 of the player, write your script.wl and run wolframscript -f script.wl If you want a GUI check https://...
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  • 1,970
8 votes
Accepted

Font style in Mathematica matching \mathcal and \mathbf in Miktex

I think what you want is script style. You can enter letters in that style in two ways: For example, \[ScriptCapitalT] $\mathcal{T}$ or alternatively by the ...
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  • 95.2k
7 votes
Accepted

How to label Ticks in ListDensityPlot

Is this what you had in mind? ...
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  • 533
7 votes

Contour plot with points and line together

Inspired by @eldo's ContourLabels, a variation that gives color-coded points for labels: ...
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  • 349k
6 votes

Graph databases / Nosql with Mathematica

Wolfram Language version 11.3 now has support for interfacing with MongoDB. You can connect to a MongoDB database via MongoConnect. For example, connecting to a ...
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  • 3,469
6 votes
Accepted

Creating REST Web Service with webMathematica

After @Hans comment, get much more clear how to do it in webMathematica. It could't be simpler. IMO, the best way to see how it works, after install webMathematica, is going into: ...
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  • 25.3k
6 votes
Accepted

Build API without the WolframCloud?

Currently APIFunction / CloudDeploy works only with the Public Cloud or an Enterprise Private Cloud. So either you need an EPC ...
6 votes

How to put a loop in a loop

Define random using SetDelayed so that each time it is used it gives a different random vector: ...
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  • 349k
6 votes
Accepted

Jacobian matrix evaluation at a point

Let f be a vector function: f[x_, y_] := {f1[x, y], f2[x, y]}; Then the Jacobian is the matrix valued function: D[f[x, y], {{x, y}}] and the Jacobian at point {a,b} is: ...
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  • 24.9k
5 votes

Computing the first derivative in x, y ,and z

I believe this is a duplicate. I just note that Grad can provide all the partial derivatives in one step. I just post this not to encourage all multiple rule lists ...
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  • 55.1k
5 votes

Implementing a 100% Mathematica http server

This is node.js that creates a local server if you are experimenting. Again this isn't legal to use on something other then a local port. ...
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  • 61
5 votes
Accepted

How to make a matrix that had diffrentation without functions

One possiblity is to define the function d as: d = {{D[#, x], 0}, {0, D[#, y]}, {D[#, x], D[#, y]}} & To apply this operator to a particular function: ...
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  • 65.7k
5 votes

Jacobian matrix evaluation at a point

You can do it as follows: Vector field: F[{x_, y_}] := Evaluate[{f1[x, y], f2[x, y]}] X = {x, y}; X0 = {a, b}; The Jacobian Matrix: ...
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4 votes

Contour plot with points and line together

...
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  • 34.5k
4 votes
Accepted

Contour plot with points and line together

data = Table[ Sin[i + j^2], {i, 0, 3, 0.1}, {j, 0, 3, 0.1}]; ListContourPlot[data, Epilog -> {PointSize[Large], Red, Point[{{5, 15}, {10, 5}}]}]
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4 votes

Creating REST Web Service with webMathematica

If you have a look at the "webMathematica/Examples/PlotScript/PlotScript.jsp" example : ...
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4 votes

Computing the first derivative in x, y ,and z

You could try using ...
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  • 2,944
4 votes
Accepted

How to adapt MSPToExpression function in $PrePrint?

I suppose this is what you need. So the first thing is to use Module since With injects values into held expressions. ...
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  • 132k
4 votes

webmathematica to share my game?

This applies to any Wolfram Cloud based web application, not simply to your question, but there are say 4 steps involved in creating a web app. Hopefully some of this carries over from WC to ...
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  • 45.5k
4 votes

Finding the frequency of letters in a string

Why not use LetterCounts LetterCounts[sentence, IgnoreCase -> True] // KeySort N[#]/Total[#] &[%] ...
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4 votes

Jacobian matrix evaluation at a point

If you have a look at this link you can take the code as appears there. Namely, ...
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  • 5,884
3 votes

How to label Ticks in ListDensityPlot

You mean like this: ...
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3 votes
Accepted

padding with zero in Table

...
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  • 349k
3 votes

DateListPlot in webMathematica doesn't show FrameTicks properly

Works fine for me under Linux and Windows. Make sure you specified the right Kernel and FrontEnd in MSPConfiguration.xml. I.e., in Windows add this before ...
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  • 16.8k

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