contour函数报错怎么办？

panphp

clear
ncinfo('rhum.mon.mean.nc');
y_len=60;
t_len=854;
z_index=7
x_index=120
, S% F. b, i( p+ Vx = ncread('rhum.mon.mean.nc','lon');%x
; N# g* z! C$ iz = ncread('rhum.mon.mean.nc', 'level');%z
y = ncread('rhum.mon.mean.nc', 'lat');%y
t = ncread('rhum.mon.mean.nc', 'time');%t
7 G& K! `8 }3 w- Q  d) Qrhum = ncread('rhum.mon.mean.nc', 'rhum');
6 _% C* o$ d" e% Q% @4 P0 y" @figure; hold on;
draw_y = 30:1:60;
draw_t = 1:1:854;
f = rhum(x_index,draw_y,z_index,draw_t)
for ii = 1:1:numel(draw_y)
    for jj = 1:1:numel(draw_t)
  X* p2 v! |: Z/ L        Z(jj,z_index,ii,x_index) = f(x_index,draw_y(ii),z_index,draw_t(jj));
    end
end
[draw_y,draw_t] = meshgrid(draw_y,draw_t);
contour (draw_y,draw_t,Z);
3 f1 u, d' w* Z5 |. @. u* J
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。
6 f- b+ R4 O) g4 j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。
* I/ ^+ H1 P/ y* G# \请教大神，非常感谢！
/ W; L, O1 s7 u; w

Sky_wm

可能参数超出了范围