[Blindmath] Format for matrices

[Ken Perry]

While I agree this is the correct way to display it if the person has a web
browser that displays mathml it might be better to display it in a code
block or a normal table until web browsers catch up with mathml.  I tried
this block of code in IE 9 and it just gave a string of  numbers with Jaws
12 and while I would love it if all browsers supported this if you're trying
to make something accessible for the time being for a student it might be
better using something else.

Just my opinion.

Ken

-----Original Message-----
From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On
Behalf Of Neil Soiffer
Sent: Wednesday, November 09, 2011 1:39 PM
To: Blind Math list for those interested in mathematics
Subject: Re: [Blindmath] Format for matrices

You can use MathML.  Here's a 4x4 identity matrix:

<math display='block' xmlns='http://www.w3.org/1998/Math/MathML'>
 <mrow>
  <mrow><mo>(</mo>
   <mrow>
    <mtable>
     <mtr>
      <mtd>
       <mn>1</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
     </mtr>
     <mtr>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>1</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
     </mtr>
     <mtr>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>1</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
     </mtr>
     <mtr>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>0</mn>
      </mtd>
      <mtd>
       <mn>1</mn>
      </mtd>
     </mtr>

    </mtable>
   </mrow>
  <mo>)</mo></mrow>
 </mrow>
</math>


On Wed, Nov 9, 2011 at 2:56 AM, Richard Baldwin
<baldwin at dickbaldwin.com>wrote:

> Is there an accepted accessible format for representing 4x4 matrices 
> in web pages?
>
> Thanks,
> Dick Baldwin
>
> --
> Richard G. Baldwin (Dick Baldwin)
> Home of Baldwin's on-line Java Tutorials http://www.DickBaldwin.com
>
> Professor of Computer Information Technology Austin Community College
> (512) 223-4758
> mailto:Baldwin at DickBaldwin.com
> http://www.austincc.edu/baldwin/
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