ATAR Notes: Forum

VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Specialist Mathematics => Topic started by: /0 on March 09, 2009, 06:31:21 pm

Title: hats
Post by: /0 on March 09, 2009, 06:31:21 pm: For vectors like $\vec {AB}$ , what is the notation for unit vector? Is it like $\hat{\vec{AB}}$ or $\hat{AB}$ ?
Title: Re: hats
Post by: TrueTears on March 09, 2009, 06:33:03 pm: $\hat{\vec{AB}}$
Title: Re: hats
Post by: Mao on March 09, 2009, 08:51:05 pm: Quote from: /0 on March 09, 2009, 06:31:21 pm
For vectors like $\vec {AB}$ , what is the notation for unit vector? Is it like $\hat{\vec{AB}}$ or $\hat{AB}$ ?

I usually get lazy and define $\hat{a}$ as the unit vector in the direction of $\vec{AB}$
Title: Re: hats
Post by: /0 on March 09, 2009, 08:54:28 pm: ah ok, thanks both of you!