"average velocity vector" speed "average speed" pdf acceleration

Classified in Physics

Written at on English with a size of 994 bytes.

 

#1 magnitude of vector 

     sqrt(v)
#2 unit vector
     v/(magnitude)
#3 dot product, cross product
     x*xn+y*yn   , matrix hide column
#5 angle udotv//magnitude(udotv)
     acute <90 , right =90 , obtuse >90
#6 vector parametrization
     r = a + t(b-a)
#7 speed of vector
     magnitude of velocity then apply t
#8 integral of curve
     int , l<t<h , 1*sqrt(x't^2+y't^2+z't^2)dt
#9 gradient
     df/dx i + df/dy j + df/dz k
#10 directional derivative Duf= gradientF dot unitv
     1. Gradient of f , 2. Apply point , 3. Find unit vector
     4. gradientF dot unitv

Entradas relacionadas: