在MATLAB中矢量化循环

Question

有没有办法在MATLAB中对以下循环进行矢量化？

for j = 1:length(cursor_bin)
    cursor_bin(j) = mean(cursor(bin == j));
end

cursor_bin,cursor和bin所有载体.

Answer 1

accumarray 这样做:

cursor_bin = accumarray(bin(:), cursor(:), [], @mean);