Launch octave from Qt

[Nick_Neo]

Is there any way to launch octave using Qt with a button click?
I tried this

QProcess p;
    p.start("/usr/bin/octave");
    p.waitForFinished(-1);

QProcess p;
    p.start("/usr/bin/octave");
    p.waitForFinished(-1);

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But it didn't work. Nothing is being displayed.
Any kind of help is appreciated.... Thanks in advance