这个编码如何实现？

yulun9988

我刚学，请问这个遗传算法编码如何实现？哪位帮我修改一下。谢谢！
; i+ n. s! ^4 h
, A- U0 Y+ G5 ?; p6 p- Dmin_var=-10;
max_var=10;
; x* u# J, a* n* O' ~2 Bscale_var=0.0001;
popsize=20;

function [bin_gen ,bits] = encoding(min_var ,max_var ,scale_var ,popsize)
bits = ceil (log2 ( (max_var
-
& N3 x% P6 Z( ?$ b: i" cmin_var) . / scale_var) ) ;
% [# W2 u1 r, M5 ~6 N" `! ubin_gen = randint (popsize ,sum(bits) ) ;
) s2 y# i$ E- V2 D# |' t/ r( c function [bin_gen ,bits] = encoding(min_var ,max_var ,scale_var ,popsize)
. Y' ?6 B' `# {) D; C' z|
Error: Function definitions are not permitted in this context.