Thanks so much for these videos, but I thought (maybe it's just me) that chapter 3 could have used a little bit more explanation. I had a lot of trouble understanding twist and why the exponential matrices for twist made sense.
Pro tip: the cross product is anticommutative, so -omega × q can be rewritten as q × omega. Which is much easier to remember and will make programming much simpler by eliminating an easy to introduce error
He's using the scew symmetric matrix representation of a vector to do the cross product of the two vectors. Google scew symmetric matrix or it is explained in ch 3 if you have the book
Thanks so much for these videos, but I thought (maybe it's just me) that chapter 3 could have used a little bit more explanation. I had a lot of trouble understanding twist and why the exponential matrices for twist made sense.
Pro tip: the cross product is anticommutative, so -omega × q can be rewritten as q × omega. Which is much easier to remember and will make programming much simpler by eliminating an easy to introduce error
Sir how are u multiplying those (w1 and q1). I don't get that.
He's using the scew symmetric matrix representation of a vector to do the cross product of the two vectors. Google scew symmetric matrix or it is explained in ch 3 if you have the book
Thanks for your clear explanation.
Ty