Pastelland Forum

No,it's just the way I write cursive "x"
Because in maths, the normal x looks like the "multiply" sign.

I don't use the multiply sign

The Kakama wrote:No,it's just the way I write cursive "x"
Because in maths, the normal x looks like the "multiply" sign.

Don't you use the interpunct?

Don't you use the interpunct?

Generally not encouraged in Malaysia, because that can be mistaken as the decimal point(our system is loosely based on the UK system, and they use the interpunct as THEIR decimal point).

The Kakama wrote:It probably took him a very,VERY long time.Gotta admire World's patience.

Epically when the Computer gets slower when the detail get more complex.

It took me, and Its still a work in progress, I think it started 2 years ago, maybe 3. There more in the File, its the type up stuff that Report what each Images it about.

Good luck on your drawings.
Hope you can post a few more sometime soon.

The Kakama wrote:

Don't you use the interpunct?

Generally not encouraged in Malaysia, because that can be mistaken as the decimal point(our system is loosely based on the UK system, and they use the interpunct as THEIR decimal point).

But what happens when you have to differentiate between dot (a⋅b) and cross products (a×b) when dealing with vectors?

What's the difference?

The Kakama wrote:What's the difference?

Dot product is a contraction product that takes 2 vectors and gives a number, and cross product only works in 3D vectors, takes 2 vectors and gives another vector.
Example: if a=(1 1 0) and b=(1 0 0), then a·b=1 and a×b=(0 0 -1)

The Kakama wrote:What's the difference?

Well a cross product creates a vector that goes up from the plane that the a and b vectors make, which includes matrix-calculation. A dot product is basically the terms of each vector multiplied together, e.g. for vectors a=xi+yj+zk and b=ri+sj+tk, a⋅b=xr+ys+zt. Or you could do it by taking the length of the two vectors and multiplying them with cosine of the angle between them, i.e. |a||b|cosx=a⋅b.

http://en.wikipedia.org/wiki/Cross_product
http://en.wikipedia.org/wiki/Dot_product

EDIT: Well ninja'd. Danmit.