I would like to once again welcome guest blogger. Mark has written here last year about (p.s., in the recently-released R2014a, MathWorks added, although for some reason not to Matlab projects).

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Flex ooh ooh ooh clean. Today, Mark discusses how to integrate JSON with Matlab. What is JSON It’s often necessary to save objects and arrays to a file, for lots of reasons. In Matlab, you would just save the desired objects in a mat-file, but that’s a binary format that in general only Matlab can read.

One reason you might want to cache objects is to pass to a non-Matlab API. True there are libraries to import mat-files (for example: ), but there are already accepted standards for passing objects such as XML and JSON (JavaScript Object Notation, ) that most APIs readily understand.

Both of these methods attempt to serialize data into a text based format that limits the types of objects they can contain. Because sometimes the API is a human being who needs to read and edit the file, one of the JSON’s goals is to be “easy for humans to read and write”. Here’s a sample of a JSON object. >> [ matlabroot ' toolbox local classpath.txt' ] C: Program Files MATLAB R2012a toolbox local classpath. Txt • Copy the classpath to your working folder and append the path the jar file to the end.

Use hash marks to comment lines. •: create a new file called “javaclasspath.txt” in your working folder with the path of the new jar file in it.

Use hash marks for comments. • Restart Matlab to enable the jar file within Matlab. Using the Java library is the same as using any Java library in Matlab. One nice feature is that tabbing after typing “ object.” gives a pop-up list of available properties and methods, including inherited ones. Here are some simple usage examples.

Related posts: • – JGit source-control integration package can easily be integrated in Matlab. • – This article explains how Java's Robot class can be used to programmatically control mouse and keyboard actions. • – This article explains a couple of Matlab utilities that use Java's Robot class to programmatically control mouse and keyboard actions. • – This article shows how an external Java library can be integrated in Matlab. • – Groovy code can seamlessly be run from within Matlab. • – JGraph is a powerful open-source Java library that can easily be integrated in Matlab figures.

For a long answer:, by David Goldberg, published in the March, 1991 issue of Computing Surveys. Copyright 1991, Association for Computing Machinery, Inc. Short answer: Just as 1/3 can not be exactly represented in decimal, 1/10 has no exact representation in binary. The java.lang.Double class is probably underused by MATLABers: its toString() method returns a string representation of a double that uses the minimum number of digits required to exactly reproduce that double during deserialisation (i.e to get back to that member of the subset of numbers represented in IEEE double). Java.lang.Double uses the.

Leave a Reply HTML tags such as or are accepted. Wrap code fragments inside tags, like this: a = magic(3); sum(a) I reserve the right to edit/delete comments (read the site ). Not all questions will be answered. You can always email me (altmany at gmail) for private consulting.

A live preview of your comment is displayed beneath the button below. Name * Email * Website Your email address will not be published. Required fields are marked *. •: @Henry – read my response to Sam’s comment above, where I explain the benefits of controllib.internal.util.hStri ng2Char over convertStringsToChars. •: Hi, Yair, I read your blogs a lot. Thanks for sharing all the useful skills and fun tricks. Regarding the difference between 'string' and 'char', which did annoy me sometimes.

•: Thx so much, Collin. This works 😀 •: Hi The statusbar will vanished when there exsiting two or more docked figures. The statusbar needed to be fixed in the container? May you give me some advices? •: hi，I have a problem when useing the statusbar.

I find that the statusbar will be vanished when exsiting two docked figures. May you give me some advice? Thanks •: Dear Yair, Thanks for your inputs.

Our current plan is to bring a university-student into our team for internship to study the way for – what we are expected. Also, we want. •: Chen I don’t believe the R2016b version has any methods to set position You can do it through the desktop: jDesktop = com.mathworks.mlservices.Ma.

•: Thanks Yair and Igor for the additional input. I’m finding this really helpful to drill down into the specific issues, and will make sure the team sees your. •: Thx a lot. I think, it is probably impossible in 16b to set an opening size. I haven’t found any available function but this is not that bad, in 16b the most new futures.