GNU Octave - Bugs: bug #57671, Power operator operating on...

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bug #57671: Power operator operating on complex numbers results in NaN when broadcasting

Submitter:	None
Submitted:	Sun 26 Jan 2020 11:18:40 PM UTC


Category:	Interpreter	Severity:	4 - Important
Priority:	5 - Normal	Item Group:	Incorrect Result
Status:	Confirmed	Assigned to:	None
Originator Name:	gs	Originator Email:	-email is unavailable-
Open/Closed: *	Open	Release: *	dev
Operating System: *	GNU/Linux	Fixed Release:	None
Planned Release:	None

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Mon 27 Jan 2020 01:35:49 AM UTC, comment #2: Bumping the version up to "dev" since this is still present. The issue seems to be related to broadcasting and I have changed the Summary to reflect that. A simple test case with broadcasting that fails is ([1;0]j) .^ [1, 0] ans = 0.0000 + 1.0000i 1.0000 + 0i 0 + 0i NaN - NaNi But if the matrices are full and there is no broadcasting then this works ([1,1; 0,0]j) .^ [1, 0; 1, 0] ans = 0 + 1i 1 + 0i 0 + 0i 1 + 0i	Rik <rik5>
Mon 27 Jan 2020 12:08:09 AM UTC, comment #1: I tried on 5.2.0 > (j[0;0]).^[2 1 0] ans = 0 0 1 0 0 1 >> (j[0;0;0]).^[2 1 0] ans = 0 0 1 0 0 1 0 0 1 >> (j*[0;1;0]).^[2 1 0] ans = 0.00000 + 0.00000i 0.00000 + 0.00000i NaN - NaNi -1.00000 + 0.00000i 0.00000 + 1.00000i 1.00000 + 0.00000i 0.00000 + 0.00000i 0.00000 + 0.00000i NaN - NaNi >>	Doug Stewart <dastew>
Sun 26 Jan 2020 11:18:40 PM UTC, original submission: j is the complex operator note the NaN in the last one >> (j[0]).^[2 1 0] ans = 0 0 1 >> (j[1]).^[2 1 0] ans = -1 + 0i 0 + 1i 1 + 0i >> (j*[0;1]).^[2 1 0] ans = 0.00000 + 0.00000i 0.00000 + 0.00000i NaN - NaNi -1.00000 + 0.00000i 0.00000 + 1.00000i 1.00000 + 0.00000i	Anonymous

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-email is unavailable- added by rik5 (Posted a comment)

-email is unavailable- added by dastew (Posted a comment)

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Date	Changed by	Updated Field	Previous Value	Replaced by
2020-01-27	rik5	Category	None	Interpreter
		Severity	3 - Normal	4 - Important
		Item Group	None	Incorrect Result
		Status	None	Confirmed
		Release	4.2.2	dev
		Summary	Complex numbers in array gives NaN	Power operator operating on complex numbers results in NaN when broadcasting

GNU Octave - Bugs: bug #57671, Power operator operating on...

bug #57671: Power operator operating on complex numbers results in NaN when broadcasting

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