https://www.dropbox.com/s/c5ds9ayjgh9ct5i/Screenshot%202014-10-18%2023.11.18.jpg?dl=0

Can you please tell me what is that multiplication supposed to mean?

Question

https://www.dropbox.com/s/c5ds9ayjgh9ct5i/Screenshot%202014-10-18%2023.11.18.jpg?dl=0

Can you please tell me what is that multiplication supposed to mean?

hartnn · Answer

whats the context of this question ?

hartnn · Answer

vectors ?

seems like cross product of those 2 vectors

christos · Answer

https://www.dropbox.com/s/6xr3jtwa7phb0vs/Screenshot%202014-10-18%2023.58.17.jpg?dl=0

hartnn · Answer

woah!

hartnn · Answer

i have no idea!

christos · Answer

haha np

zepdrix · Answer

|dw:1413666048041:dw|I think they're just saying that X is a region like this, no? :o

zepdrix · Answer

The first [box] is boundaries for x,
the second [box] is boundaries for y, or your function

zepdrix · Answer

i think :o....
maybe..

christos · Answer

hmm can you tell what the d=2 is?

christos · Answer

"take d=2 so you can visualise the problem"

zepdrix · Answer

hmm :c

hartnn · Answer

length , width of that box

zepdrix · Answer

ahh nice!

christos · Answer

hmm so you think that the multiplication of those 2 vectors is giving me the 2x2 matrix right?

christos · Answer

maybe its not an operator but a declaration

zepdrix · Answer

|dw:1413666371097:dw|

zepdrix · Answer

|dw:1413666429709:dw|

zepdrix · Answer

|dw:1413666469334:dw|The multiply operator just tells us that our X can be anywhere in this box. yah? :O something like that.

zepdrix · Answer

d is telling us the size of that box, as hart pointed it.

So if they had given us d=3,

zepdrix · Answer

|dw:1413666532491:dw|