how to obtain random vector from the defined matrix

suppose, for c matrix c=[1 2 3; 3 4 5;6 7 8;9 10 11;12 13 14;15 16 17];

randomly i have to select any row vector.

Answer 1

[KSSV]

 c=[1 2 3; 3 4 5;6 7 8;9 10 11;12 13 14;15 16 17]; 
 [m,n] = size(c)

m = 6

n = 3

 idx = randsample(m,1) 

idx = 3

 iwant = c(idx,:)

iwant = 1×3

6 7 8

[Anita Zade]

Thanks a lot. This is working!