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
x = ncread('rhum.mon.mean.nc','lon');%x
# {& `2 c  N/ |5 w( a8 p2 ez = ncread('rhum.mon.mean.nc', 'level');%z
/ }9 n/ o! Y8 }" w1 w  o8 oy = 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;
# D$ t; ?" R+ xdraw_t = 1:1:854;
9 t. N. y/ r! P/ {f = rhum(x_index,draw_y,z_index,draw_t)
& y& C; C7 E4 J* N. Vfor 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));
( S2 Y4 k1 D" J/ n  w8 c' n    end
end
[draw_y,draw_t] = meshgrid(draw_y,draw_t);
1 y8 a4 g7 }5 H" [' s& wcontour (draw_y,draw_t,Z);
. P- l8 C- h: ^2 _+ Q
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。
/ B2 H# Z: f3 O# W0 c请教大神，非常感谢！
: p& W, ]* s9 T" b$ e

Sky_wm

可能参数超出了范围