[Octave-bug-tracker] [bug #66563] ezplot of constant fcn fails: error: error: XX(0): subscripts must be either integers 1 to (2^63)-1 or logicals

[Rik]

Follow-up Comment #6, bug #66563 (group octave):

@Colin: See
https://octave.discourse.group/t/need-matlab-test-of-constant-functions/6082

I asked for verification of Matlab behavior.  You are correct that feval()
returns a single value of the constant function for multiple inputs.  So, for
Matlab compatibility we can't change that.  See the attached changeset which
expands ezplot to do polar or 2-D plots of constant functions.  I found the
same solution you did independently.

Given that Matlab doesn't handle constant functions for contour plots, do we
really need Octave to do so?  I would probably vote no.


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