Re: BASIC with built-in matrix functions?

"R.Nicholson" <rhnlogic@[EMAIL PROTECTED]
> wrote in message 
news:1187654570.440885.16490@[EMAIL PROTECTED]
> On Aug 20, 4:45 pm, "Tom Lake" <tl...@[EMAIL PROTECTED]
> wrote:
>> "R.Nicholson" <rhnlo...@[EMAIL PROTECTED]
> wrote in message
>>
>> news:1187632146.498427.302270@[EMAIL PROTECTED]
>>
>> > For what kind of applications do people use matrix
>> > operations in Basic?  Graphics?  Engineering?  Math
>> > homeworks?  Signal processing?
>>
>> With the ANSI Standard BASIC syntax, you use matrices for
>> various effects using matrix math.
>>
>> Example:
>> DRAW polygon(4) with Rotate(pi/4) * ****ft(1,2)
>>
>> Transformation Effects:
>>
>> ****FT(a,b) Move by a horizontally and by b vertically
>>
>> SCALE(a,b) Change scale, multiplying horizontal coordinates by a,
>> and vertical coordinates by b; if a = b, then you may specify SCALE(a)
>>
>> ROTATE(t) Rotate around origin counterclockwise by an angle t
>>
>> SHEAR(t) Lean vertical lines forward (clockwise) by an angle t
>
> None of your examples used the MAT or other matrix
> command in an application written in Basic!  A better
> example might be something like MAT PLOT.

They use implied MAT commands.  Scale uses matrix multiplication by a 
scalar,
****ft uses matrix addition, etc.  Without the MAT commands, these
parameters
wouldn't function.

Tom Lake