What is the meaning of i, j, k in vectors? - Physics Forums
2005年11月4日 · Vectors can be broken into i j and k, representing the x y and z axes, respectively. Basically it's a more standard way of expressing vectors without any relative …
Adding the vectors ijk notation - Physics Forums
2013年2月17日 · Add the following 3 displacement vectors and give the answer in ijk notation and in magnitude and direction format. A = 3i - 3j m B = i - 4j m C = -2i + 5j m. Then I have to do a …
Why are I, J, and K used for unit vectors? - Physics Forums
2011年3月20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 …
Help! Understanding Adding/Subtracting Vectors in i, j, k - Physics …
2010年9月10日 · I am studying for a test I have on Monday and in my class we briefly went over adding and subtracting vectors in the y, x, and z components or in other words the i, j, and k. …
Cross product by epsilon ijk method - Physics Forums
2010年3月6日 · Homework Statement I need to calculate Ax(BxC) -A, B, C are vectors, apart from bac-cab rule, I need to get it by epsilon ijk -Following I will note it by e(ijk). Homework …
Why do mathematicians use i, j, and k to represent unit vectors in ...
2009年6月4日 · For one thing, ijk=-1. One consequence: ij=k, jk=i, and ki=j. Another consequence is that multiplication in the quaternions is not commutative. Hamilton described his quaternions …
Expressing cartesian unit vectors in terms of spherical unit vectors
2006年7月20日 · You could do it geometrically if you can draw the pictures carefully. An arguably easier algebraic way to do it is to use the fact that, eg, [itex]\hat x = \nabla(x)[/itex], where x is …
Best Unit Vectors in LaTeX for TeX.SE Interaction - Physics Forums
2014年7月9日 · In summary, egreg shared code on TeX.SE for creating unit vectors in LaTeX using the packages newtxtext, newtxmath, and amsmath. The code allows for the use of both …
Proving Parallelograms: ABCDEFGH with IJK - Physics Forums
2005年8月28日 · Hello :D ABCDEFGH is a cube with a side of 3cm. The points I and J are defined by: vector BI = 1/5 of vector BF vector CJ = 4/5 of vector CG The plan (EIJ) cuts line ...
Why Use i, j, and k as Unit Vectors Instead of x, y, and z?
2011年6月20日 · Why are i, j, and k perfered in many texts to represent the 3 spatial dimensions instead of (what seems to me to be more intuitive) x, y, and z?