
What does Z —> Z x Z mean in this question? : r/learnmath - Reddit
2020年2月25日 · ZxZ is the Cartesian product of Z. You'd have met this a long time ago as co-ordinates, (x,y) where both x and y are in Z. f is a function from Z to ZxZ, f(0) for example is (0,5).
X, Y, Z Axis. What do they stand for? - Acoem USA
2019年9月23日 · Everything must have perspective, a point of view, to be communicated. To communicate the three spatial dimensions, we use the X,Y, Z coordinates. These denote …
help with simplifying this boolean expression x'y'z + xyz + xy'z' + x ...
2013年4月11日 · Posted by u/prog_dunsta - 4 votes and 9 comments
What are the roles of X, Y, and Z receivers? : r/footballstrategy
2020年10月5日 · That said, here are my conceptions of X, Y, and Z receivers: X: Your best prototypical outside receiver. Think of Andre Johnson when he was in the NFL, or DeAndre …
What's the difference between the letters for motherboard
2014年10月24日 · X > Z > H > B Only X and Z fully support CPU overclocking. Must be used with a "K" processor. X and Z have the prettiest, trendiest motherboards. H is like Z but slightly …
Probability density function of Z=X+Y and Z=XY - Physics Forums
2024年1月22日 · Thank you for catching me on my mistake! I did some reading on Wikipedia and found the answers. Although, I could not find a derivation for the density function of ##Z=X+Y##.
If X,Y,Z mutually independent, is X*Y and X*Z independent?
2012年4月21日 · = E[X^2]E[Y]E[Z] if you have complete independence. Remember that if you have independence, them E[XY] = E[X]E[Y] and all I am doing is partitioning A and B down to …
Y axis up or Z axis up? : r/gamedev - Reddit
The floorplan becomes the X and Y, and the extrusion becomes the Z. Thus, you end up with a Z-up system. Alternatively, Maya is an animation software. For this you generally work with …
Calculate Z-Component of Vector A & B - Physics Forums
2009年8月6日 · if A and B are in the x-y plane, and if C = AxB, then A z = B z = C x = C y = 0. Perhaps it will help you to remember this: it's always cos of the angle … the only reason we …
Simplify (x-a)(x-b)(x-c)...(x-z) : r/learnmath - Reddit
2016年8月31日 · There's no reason to believe the (x-x) factor isn't 0. It's probably some stupid "lesson" about thinking ahead through a problem before attempting to solve it, but it's very …