function [y] = plotCableInTime( filename, nx, step)
        fid = fopen(filename);
        %garbage = fread(fid,1,'float');
%         Skip reading of the first frames
        for i=1:step-1
            fread(fid, [1, nx], 'float', 0, 'ieee-le');
            %fread(fid, [rows, cols], 'float');
        end
        %u = fread(fid, [rows, cols], 'float');
        y = fread(fid, [1, nx], 'float', 0, 'ieee-le');
        fclose(fid);
        plot(y);
end