linear application • determine Ker(f) kernel and Im(f) the image • injective surjective • MPSI prep
http://www.jaicompris.com/lycee/math/...
Linear application - determining the kernel Ker(f) and the image Im(f) - explained through an example
Determining whether the application is injective - surjective - rank theorem
f: R^4 in R^3 f(x,y,z,t)=(x+2y+3z-2t,y+z-t,x-y+t)
MPSI PCSI PTSI MP2I prep algebra - vector space - injection surjection