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From: | anonymous |
Subject: | [Octave-bug-tracker] [bug #58334] pdist2 giving wrong distances |
Date: | Fri, 8 May 2020 07:50:14 -0400 (EDT) |
User-agent: | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.132 Safari/537.36 |
URL: <https://savannah.gnu.org/bugs/?58334> Summary: pdist2 giving wrong distances Project: GNU Octave Submitted by: None Submitted on: Fri 08 May 2020 11:50:12 AM UTC Category: None Severity: 3 - Normal Priority: 5 - Normal Item Group: Incorrect Result Status: None Assigned to: None Originator Name: Originator Email: address@hidden Open/Closed: Open Release: 5.2.0 Discussion Lock: Any Operating System: GNU/Linux _______________________________________________________ Details: A small example: X = [0.25016 0.40176 0.18690 0.48684 0.67867 0.55511 0.35095 0.43696 0.26798 0.48223 0.58751 0.90527 0.60076 0.11600 0.12838 0.78479 0.88859 0.55260 0.48078 0.27091 0.81413 0.30470 0.91434 0.88039 0.76428 0.14590 0.59941 0.62366 0.59127 0.85512] Y = [0.774411 0.429394 0.546792 0.143279 0.040654 0.502580 0.076307 0.342643 0.750640 0.961380 0.782662 0.666286 0.922622 0.783488 0.466200] D = pdist2(X, Y) Correct result from Matlab: D = Columns 1 through 3 0.636494305254179 0.491401011188418 0.592893306504636 0.380663622297955 0.726538352653871 0.565405579843355 0.507062712315745 0.50519585298872 0.56328070225954 0.488750327571246 0.759011529054072 0.498641922142533 0.550853039186497 0.595811652350808 0.844763580096822 0.459350000458256 1.06444061535484 0.916092860848724 0.427558123137662 0.513797774457033 0.415662135776161 0.753052901223413 0.965465878183688 0.629154897269345 0.288513672329406 0.637255844553033 0.731358441311782 0.379467862883011 0.81131272405713 0.610185842295607 Columns 4 through 5 0.938472780106061 0.822149559038987 0.498359960911789 0.456943927356519 0.806710807749593 0.697267307973061 0.569896813344311 0.652023738101612 0.929423408076212 0.814406366372464 0.235221758942492 0.193672534521548 0.717442902146227 0.760930906159028 0.703141693330725 0.755316622409437 0.669915408107621 0.670324959111624 0.431675776040305 0.526863173288853 Wrong result from pdist2 (statistics package): D = 0.00000 0.09657 0.00000 0.53190 0.40468 0.00000 0.62852 0.24792 0.00000 0.00000 0.18624 0.28602 0.18322 0.59750 0.50986 0.91063 0.95838 0.95890 1.09129 1.07915 0.99667 0.69867 0.85966 1.29805 1.20277 0.58019 1.06320 1.02563 0.61461 0.60706 0.71440 0.56953 0.45477 0.96065 0.98533 0.00000 0.87073 0.55589 0.00000 0.00000 0.28851 0.63726 0.73136 0.66992 0.67032 0.37947 0.81131 0.61019 0.43168 0.52686 _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?58334> _______________________________________________ Message sent via Savannah https://savannah.gnu.org/
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