Maths - Octonion and Clifford Algebra - Code to generate the tables

Here is how I generated the tables for this page.

The tables were generated using this program.

To produce the results the program needs to have an XML input code. Here I have listed this input code next to the output of the program:

 

code program output
<classDef>
<outputTable type="product" format="html" name="octonion (c x c) x c" analyse="on" enableLabels="on">
<mathTypeCompound name="a" type="compound">
<mathTypeCompound name="a" type="compound">
<mathTypeCompound name="a" type="complex"/>
<mathTypeCompound name="a" type="complex"/>
</mathTypeCompound>
<mathTypeCompound name="a" type="complex"/>
</mathTypeCompound>
</outputTable>
<outputTable type="product" format="html" name="octonion c x (c x c)" analyse="on" enableLabels="on">
<mathTypeCompound name="a" type="compound">
<mathTypeCompound name="a" type="complex"/>
<mathTypeCompound name="a" type="compound">
<mathTypeCompound name="a" type="complex"/>
<mathTypeCompound name="a" type="complex"/>
</mathTypeCompound>
</mathTypeCompound>
</outputTable>
</classDef>

Octonion

This is the table often given for octonions:
e e1 e2 e3 e4 e5 e6 e7
e1 -e e4 e7 -e2 e6 -e5 -e3
e2 -e4 -e e5 e1 -e3 e7 -e6
e3 -e7 -e5 -e e6 e2 -e4 e1
e4 e2 -e1 -e6 -e e7 e3 -e5
e5 -e6 e3 -e2 -e7 -e e1 e4
e6 e5 -e7 e4 -e3 -e1 -e e2
e7 e6 e6 -e1 e5 -e3 -e2 -e

analysing commutivity: table does not commute:
for example: e1*e2 != e2*e1

analysing associativity: table does not associate,
for example, (e1* e2)* e3=e4* e3=-e6
is not equal to e1*(e2* e3)=e1*e5=e6

 

 

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see also:

 

Correspondence about this page

Book Shop - Further reading.

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cover us uk de jp fr ca Quaternions and Rotation Sequences.

 

Terminology and Notation

Specific to this page here:

 

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