What is r hat (^) like exactly and how do you calculate it?
2014年10月20日 · Homework Statement What is r hat (^) like exactly and how do you calculate it? I know that it is something to do with unit vectors and that it should be gotten in some form of …
Writing vectors in the $\\hat{r}$ and $\\hat{\\theta}$ basis
The symbols $\hat{x_1}$, $\hat{y_1}$, $\hat{x_2}$ and $\hat{y_2}$ can be applied just as well. In physics, this coordinate system is usually related to a non-inertial system, for example a …
What is the meaning of having ^ over a vector name?
2015年6月2日 · Yet, the comment I answered to did miss the meaning of the $\hat{}$ in the linked video (if you watch it, you'll notice that vectors are denoted with an arrow, and that the hat is …
What does a hat or star means in math?
2015年6月15日 · $\begingroup$ I'll second Ross's comment: I have always seen the hat used to denote a unit vector. Sometimes $\vec x$ is a vector of arbitrary length and $\hat x$ a unit …
notation - What is the symbol ≙ most commonly used for in a ...
The hat above the equals sign is an estimator. Originaly estimators are used on terms. For example: $$\widehat{\theta}(X)$$ But it has appeared (sometimes) more convenient to use it …
Derivative of r^hat | John Taylor | Classical Mechanics - Physics …
2010年1月23日 · dr^hat/dt = D[phi] * phi^hat Sorry for the horrible formating but I don't know how to make this better. The Attempt at a Solution I have a few problems with this first why in the …
How to typeset the symbol “^” (caret/circumflex/hat)
2017年10月3日 · For those of you trying to do the ^^ smiley, here is a comparison of various methods (the first is \textsuperscript, the second is \^, the third is a scaled version of \wedge in …
What is the cross product in spherical coordinates?
2015年10月12日 · The curl of an arbitrary vector, $\\vec{A}$ is The curl of an arbitrary vector $\\vec{A}$ in spherical coordinates \\begin{align*} \\nabla \\times \\vec{A} & ...
Why Use i, j, and k as Unit Vectors Instead of x, y, and z?
2011年6月20日 · By convention, i, j, k are vectors.x, y, z are coordinates.So you might have (in a cartesian coordinate system) ...
Why are I, J, and K used for unit vectors? - Physics Forums
2011年3月18日 · [tex]{\hat i},{\hat j},{\hat k}[/tex] are the unit vectors for Cartesian coordinates only. They are constant vectors. 2. Unit vectors have no units because they just signify …