contour函数报错怎么办？

panphp

clear
. e, X8 P3 W* [3 w8 zncinfo('rhum.mon.mean.nc');
y_len=60;
t_len=854;
2 M) t" d$ ^0 w& z0 F0 s! ~2 Wz_index=7
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
rhum = ncread('rhum.mon.mean.nc', 'rhum');
figure; hold on;
draw_y = 30:1:60;
draw_t = 1:1:854;
6 f- O2 s' `! V9 y9 Of = rhum(x_index,draw_y,z_index,draw_t)
for ii = 1:1:numel(draw_y)
    for jj = 1:1:numel(draw_t)
        Z(jj,z_index,ii,x_index) = f(x_index,draw_y(ii),z_index,draw_t(jj));
: {! X# ^7 N9 v$ B2 j    end
end
[draw_y,draw_t] = meshgrid(draw_y,draw_t);
7 H3 c- B  O9 e: n- j: v2 n+ ocontour (draw_y,draw_t,Z);

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