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 ...
- 36.9k
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 ...
- 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 ...
- 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 ...
- 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://...
- 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 ...
- 95.2k
7
votes
Accepted
7
votes
Contour plot with points and line together
Inspired by @eldo's ContourLabels, a variation that gives color-coded points for labels:
...
- 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 ...
- 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: ...
- 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:
...
- 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:
...
- 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 ...
- 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.
...
- 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:
...
- 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:
...
- 4,383
4
votes
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}}]}]
- 19.4k
4
votes
Creating REST Web Service with webMathematica
If you have a look at the "webMathematica/Examples/PlotScript/PlotScript.jsp" example :
...
- 81
4
votes
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.
...
Kuba♦
- 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 ...
- 45.5k
4
votes
Finding the frequency of letters in a string
Why not use LetterCounts
LetterCounts[sentence, IgnoreCase -> True] // KeySort
N[#]/Total[#] &[%]
...
- 9,283
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,
...
- 5,884
3
votes
3
votes
Accepted
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 ...
- 16.8k
Only top scored, non community-wiki answers of a minimum length are eligible