what is the meaning of? K*(i-1):end

i have a function: c_t(i,1+K*(i-1):end)=..... i don't undestrand the meaning of K*(i-1):end

Answer 1

[Youssef Khmou]

c_t(i,1+K*(i-1):end) means selecting elements identified by 1+K(i-1) to end from matrix c_t in the row i, generally X(a:b) picks elements of positions a,a+1,a+2,...b.

Answer 2

[Matt J]

If what's confusing is the use of END, then here, it is the same as

     L=size(c,2);

     c_t(i,1+K*(i-1):L)=....

More info at http://www.mathworks.com/help/matlab/ref/end.html