MATLAB: How to get the proactive help on Matlab

helpMATLABproactive

In Matlab Online the program tells helps tips while you write code. (Small help box/bubble under the active area.) The downloaded (windows) version of Matlab R2018A doesn't have this feature. (at least for me) How do I turn it on?

Thank you! Tommi

Best Answer

@Tommi Karhinen: installed MATLAB has several ways to get help/tips while typing:

https://www.mathworks.com/help/matlab/matlab_env/help-resources.html

https://www.mathworks.com/help/matlab/matlab_env/check-syntax-as-you-type.html

"To complete names in the Command Window or Editor, type the first few characters of the name you want to complete, and then press the Tab key. Use the arrow keys to select the name you want, and then press the Tab key again."

To get function inputs write the function name and the first parenthesis, then pause for a second (or press ctrl+f1) and you will get a pop-up like this:

https://blogs.mathworks.com/community/2008/10/20/function-hints/

https://www.mathworks.com/matlabcentral/answers/170474-how-to-turn-on-the-function-hint

Related Solutions

MATLAB: How to turn on the function hint

Syntax hinting and function completion are available in both the Command Window and Editor, and are on by default:

http://www.mathworks.com/help/matlab/matlab_env/check-syntax-as-you-type.html

http://blogs.mathworks.com/community/2008/10/20/function-hints/

The documentation states:

"To use function syntax hints, type a function name with an opening parenthesis, and then pause. A tooltip opens showing the basic syntax for the function"

"To complete names in the Command Window, type the first few characters of the name you want to complete, and then press the Tab key."

The documentation also tell us how to turn it on and off: "Function hints are enabled by default. To change this setting, on the Home tab, in the Environment section, click Preferences. Select MATLAB > Keyboard, and then set the options for Function hints."

MATLAB: Key press in GUI

You can catch such keys in the WindowKeypressFcn. This will help you to identify the names of the pressed keys:

FigH = figure
set(FigH, 'WindowKeyPressFcn', @KeyPress)
function KeyPress(Source, EventData)
disp(EventData)

Another idea is to use the (still undocumented?) "CurrentKey" and "CurrentModifier" properties of the FIGURE.

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Related Solutions

MATLAB: How to turn on the function hint

MATLAB: Key press in GUI

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