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[Octave-bug-tracker] [bug #60032] [octave forge] (matgeom) sph2cart2d he
From: |
Nicholas Jankowski |
Subject: |
[Octave-bug-tracker] [bug #60032] [octave forge] (matgeom) sph2cart2d help text shows incorrect input order |
Date: |
Tue, 9 Feb 2021 10:11:59 -0500 (EST) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.36 |
URL:
<https://savannah.gnu.org/bugs/?60032>
Summary: [octave forge] (matgeom) sph2cart2d help text shows
incorrect input order
Project: GNU Octave
Submitted by: nrjank
Submitted on: Tue 09 Feb 2021 10:11:58 AM EST
Category: Octave Forge Package
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Documentation
Status: None
Assigned to: None
Originator Name: Nicholas Jankowski
Originator Email:
Open/Closed: Open
Release: other
Discussion Lock: Any
Operating System: Any
_______________________________________________________
Details:
as per
https://octave.discourse.group/t/error-in-sph2cart2d-function-help-in-package-matgeom-octave-6-1/724
help for 2ph2cart2d shows the following input order:
SPH2CART2 Convert spherical coordinates to cartesian coordinates.
C = SPH2CART2(S)
C = SPH2CART2(THETA, PHI) (assume rho = 1)
C = SPH2CART2(THETA, PHI, RHO)
[X, Y, Z] = SPH2CART2(THETA, PHI, RHO);
S = [phi theta rho] (spherical coordinate).
C = [X Y Z] (cartesian coordinate)
note the input order difference for the single array input S.
Looking at the code, it appears that the single array is handled expecting the
same order as the separate inputs. The help also mentions that there was a
change made to the input order:
03/11/2006: change convention for angle: uses order [THETA PHI RHO]
I suspect this was just a missed doc change.
cc'd package maintainer
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