I quite like some aspects of that version. I think the movement is clearer (no rotation) than for the plus 2x2 3d version and the consistency in movement for the scalar and vector addition is nice. I don't like how the lines of the matrices get split up for the matrix addition. It implies a complexity that isn't helpful. I think it is useful to get across that the verb acts on the array as a whole.
My 2cents! > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of bob therriault > Sent: Sunday, 7 March 2010 12:25 > To: Chat forum > Subject: Re: [Jchat] New reference animation for x + y in NuVoc > > Thanks Harvey, > > There are certainly many ways to approach this visualization. I took a > shot at the approach you described (at least I think I came close to > it) and the result is on the Plus (+) Jwiki NuVoc: > http://www.jsoftware.com/jwiki/Vocabulary/plus > I added a vector component and still came in under 30 seconds. Let me > know what you think. > > Cheers, bob > > On -Mar5-2010, at -Mar5-20105:57 PM, PackRat wrote: > > > bob therriault wrote: > >> [Ric's] favourite is now on the jwiki page for Plus (+) as 'Plus 2X2 > >> 3d'. It is a bit of a hybrid between 'Plus 3X3' and 'Plus 2X2' > > > > Two suggestions: > > > > (1) The vid currently jumps from scalar plus to matrix plus. From a > > beginner standpoint, I suggest inserting vector plus between them. > > > > (2) For vectors and matrices, I find the sudden shifting to an angle > > for the addition somewhat visually disturbing. I suggest instead > > having one matrix offset below the other and then sliding them > together > > so that the individual items are on an angle to one another before > the > > "explosion". I'm thinking of something along these lines, where the > > two matrices would slide toward each other to achieve the central > > position below: > > > > 0 1 0 1 1 5 > > 1 4 1 4 > > ---> ---> > > 3 4 3 4 6 5 > > 3 1 3 1 > > > > I'm not sure how to handle the plus signs, but probably they would > work > > best located in front of the items of the second matrix: > > > > 0 1 > > + 1 + 4 > > > > 3 4 > > + 3 + 1 > > > > Just a suggestion that might make it a bit easier for a beginner to > > comprehend. > > > > Harvey > > > > --------------------------------------------------------------------- > - > > For information about J forums see > http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
