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代码如下:! S9 i4 `0 ^) h d
clear all;
& m6 q" H1 p# X6 @! w$ [clc;
+ K0 b" {! |) T7 arandn('state',0);
6 E$ F1 h7 o$ |* T/ v! p! _rand('state',0);
" J; L' X @5 _( ~4 g2 wdt = 0.005;
0 W3 x6 u1 {/ [6 G) P. BJ = 1000000;
J" E6 I$ g( |0 g q& Nfor h = 1:100
1 {( E/ f5 W! i! p x = normrnd(43.68,39.85,[1,J]);%设定分布:正态分布,Avoided fertilizers application- r5 u; B' G9 A3 O1 H
x1 = find(x>0);
, }* Y2 ?9 Q; E" M x2 = x(x1);6 \8 C2 S- `( [' E! R0 x( ^
X(h, = x2;
! {/ ?6 P! N+ j) y4 S; b A(h, = mean(X(h, );
& z3 R0 j/ b; M. K% k B(h,:) = std(X(h,:));: J$ m8 N7 s( m) Z( c
y1 = X(:);) m# _( \' U# l3 c* ?2 V; Y6 T
Y1 = sort(y1);6 w7 [7 c3 F7 y; x0 ]
W = length(x1);! c4 M7 A8 w' g6 ?: p
if rem(W,2)==0
- L* i7 q0 M. m3 U W1 = W;! b8 u, A) K% r: f R7 ~
else
7 U# f2 K# M8 j1 X9 L5 G6 [ W1 = W+1;
5 b5 E5 D0 a C+ l- [ end
$ S6 m. Y/ t6 r! D for r = 1:W1 * 5/100, q( z0 s- V. e9 m; T1 T
W2(:,r) = X(W1 * 95/100 + r) - X(r);" W5 _5 u4 x, j, j" w( d* r3 y
end2 i" y* C' a( F# R- I6 B# B
n1 = find(W2 == min(W2));
# `" Y$ z+ N6 B+ L: ~& V' t3 i( o C(h,:) = Y1(n1); W- ? p, R2 [- ^/ E
D(h,:) = Y1(J * 95/100 + n1);* q: K5 c* N" O) A
if h > 1" Z( @: `* Z- E8 h' L8 }4 I' c! f
A1 = 2 * std(A)/sqrt(h);
+ l, S/ z8 M+ L2 Y* ^ B1 = 2 * std(B)/sqrt(h);
! j; n+ s" A! A. I1 r C1 = 2 * std(C)/sqrt(h);
+ h) Y9 N9 n% ]4 i D1 = 2 * std(D)/sqrt(h);7 B/ g7 k: S# B3 z
if (A1<=dt&B1<=dt&C1<=dt&D1<=dt) == 1! w) J' q3 R$ v# V! V; S2 U
break
: l Q% T6 p9 U6 y, K end
6 K, P0 v4 C3 ?( [! {9 X end! g! d3 k, I$ r4 r- G! u
end
! v$ u1 J2 F" T5 k8 y
& |/ |2 a" l# f9 ~9 M5 M8 U, Z$ }/ ?3 E0 U& G5 @2 E, R+ G' C# v; u$ i# r
- p2 p0 `. H& C% g
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8 }( x f$ o3 g& B! i上述代码运行后出现“下标索引必须为正整数类型或逻辑类型。” 为什么! k; q1 |- z7 n1 u4 X/ R
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