On Wednesday, February 25, 2004, at 08:48 AM, Bojsza wrote:
on mouseUp put empty into xArray put empty into zArray put "1 2 3" into xArray split xArray by space -- create an array from a list (3x1 array) put "2 3 4" into zArray -- create a 1x3 array matrixMultiply(xArray,zArray) put it into arrayOut end mouseUp
on mouseUp put "1,1:1;1,2:2;1,3:3" into x split x using ";" and ":" put "1,1:2;2,1:3;3,1:4" into y split y using ";" and ":" put matrixMultiply(x,y) into z combine z using ";" and ":" put z end mouseUp
==> 1,1:20
In hindsight, I think this might be more readable using space instead of ";".
2. I know that I can go from a list to an array with the split command. Can I go from an array to a list also using the split > command?
Use combine as Jeanne explained and used above.
3. Can I create an array with a variable ie a 3x1 array with angle as a variable?
atan(angle) cos(angle) sin(angle)
Yes and no.
You can make an array builder function that instantiates such an array for the angle provided at build. Like this (off the top of my head):
function angleArray alpha put atan(alpha) into a[1,1] put cos(alpha) into a[1,2] put sin(alpha) into a[1,3] return a end alpha
However, you might want to look at value(). You can evaluate a string and strings can be array elements. Thus, you can have an array of expressions. You can be as creative in expression processing as you want.
Dar Scott
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