qt plot not working

[suvit verma]

Hey There,

I have installed octave version-4.2.2 on fedora 29, but the qt plot is not working. it is showing a black plot in result

Following code was used to produce the result:

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>> x = -10:0.1:10;

>> plot (x, sin (x));

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. Please help.

Screenshot from 2019-05-04 14-01-09.png
Description: PNG image