contour函数报错怎么办？

panphp

clear
  u. I( d8 H; V3 W+ ?1 l) yncinfo('rhum.mon.mean.nc');
. _, N! w. b6 y+ \  E+ ^5 H! ky_len=60;
t_len=854;
z_index=7
9 P" M% q% W. ]/ x+ |x_index=120
x = ncread('rhum.mon.mean.nc','lon');%x
z = ncread('rhum.mon.mean.nc', 'level');%z
y = ncread('rhum.mon.mean.nc', 'lat');%y
t = ncread('rhum.mon.mean.nc', 'time');%t
+ D/ R0 ^5 r7 z( J% Y% prhum = ncread('rhum.mon.mean.nc', 'rhum');
$ ]: E3 \5 _0 z' z$ j" Vfigure; hold on;
2 g0 ^0 F$ q) b' jdraw_y = 30:1:60;
6 M" k' M3 q5 ^# ?9 Edraw_t = 1:1:854;
+ `/ y2 ~5 U0 g+ J* h# ]5 i# D2 @f = rhum(x_index,draw_y,z_index,draw_t)
7 U7 h4 ~5 t# W1 E1 Y5 j+ v( _# Wfor ii = 1:1:numel(draw_y)
5 B! a; D( s" m4 _0 ~) |    for jj = 1:1:numel(draw_t)
/ k8 S1 Q4 M/ d1 {4 l- l& a        Z(jj,z_index,ii,x_index) = f(x_index,draw_y(ii),z_index,draw_t(jj));
6 R* l7 E" c1 F3 L" \9 }    end
end
[draw_y,draw_t] = meshgrid(draw_y,draw_t);
contour (draw_y,draw_t,Z);
6 u6 x# Q8 d9 ^/ K/ @$ l
; {+ F# J. Q! Y; b7 q: M- H错误显示 试图访问 f(120,30,7,1)；由于 size(f)=[1,31,1,854]，索引超出范围。
改了循环里面之后会显示 试图访问 f(1,32,1,1)；由于 size(f)=[1,31,1,854]，索引超出范围。
请教大神，非常感谢！

Sky_wm

可能参数超出了范围