z (EN)

bogstav, symbol

bogstav “z”

1. det lille bogstav "z"
   Tilmeld dig for at se oversættelser af eksempelsætninger og ensprogede definitioner af hvert ord.

   The word "zip" starts with the letter "z".

symbol “z”

1. en reel variabel i matematik, når x og y allerede er i brug
   The the equation is x + 2y + 3z2 + u = 7.
2. en kompleks variabel i matematik
   Let z = x + yi, where x is the real part and y is the imaginary part of the complex number.
3. den tredje koordinat i 3D kartesisk system i matematik
   In the three-dimensional system, a point can be represented as (x, y, z).
4. værdien af en standard normalfordelt stokastisk variabel i statistik
   In our study, z > 2 indicated that the test results were significantly above average.
5. symbol for atomnummer i kemi
   In the periodic table, the element oxygen has a z = 8, indicating it has 8 protons in its nucleus.
6. symbol for rødforskydning i astronomi
   Astronomers measured z = 1.5 for the distant galaxy, indicating it is moving away from us at a significant speed.