Question

How do you write polar number. Say V is a polar number. Do you bold it? I thought bold is for vector?

Answer 1

\( \bf{V} \) ?

Answer 2

V=

Answer 3

That vector isn't it? I am asking how the textbook represent a polar number. polar number is a number with angle.

Answer 4

Do you write tilde below V?

Answer 5

vector is bold and has arrow above.

Answer 6

when you say a polar number , do you mean a vector represented in polar form?

Answer 7

This question is 4 months old :o

Answer 8

\[\vec z={\bf z} =(a,b)=a{\bf\hat x}+b{\bf\hat y}=a{\textbf e}_1+b{\textbf e}_2\]
\[\vec z={\bf z} =(r,\theta)=re^{i\theta}=r\big(\cos(\theta)+i\sin(\theta)\big)=r\hat{\textbf r}\]