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

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