You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 121.m
    path of file: ./repos/miss_hit/tests/style/dsl/cvx
    
    the code of the file until where you have to start completion: cvx_begin gp quiet
    % optimization variables
    variables v(M) y(M) w(M)
    
    % objective function is the base transmit time

    
function is the base transmit time
    tau_B = C * w(1);
    
    minimize(tau_B)
    subject to
        % fixed problem constraints
        Nmin <= v <= Nmax;
        
        for i = 1:M - 1
            y(i + 1) + v(i)^pwj <= y(i);
            w(i + 1) + y(i) * v(i)^pwi <= w(i);
        end