数学建模预测股市走向

2025-06-15

for i=2:n

yc(i)=yuce(i)-yuce(i-1); end

yc(1)=yuce(1) yc=yc';

yucezhi=yc-4*max1;

xiangduwucha=abs(yucezhi-X0'); xdl=xiangduwucha./(X0') p=sum(xdl)/(n-1); p0=1-p 附件5: max1=max(X0) X00=X0+4*max1; n=length(X00) for i=1:n

leijia(i)=sum(X00(1:i)); end

for i=1:n-1

junzhi(i,1)=-(leijia(i)+leijia(i+1))/2; end

junzhi=[junzhi ones(n-1,1)]; y=X00(2:n); y=y';

a=(junzhi'*junzhi)^(-1)*junzhi'*y for k=0:n-1

yuce(k+1)=-82551544.0211446*exp(-0.00019343*k)+82567337.0211446; end

for i=2:n

yc(i)=yuce(i)-yuce(i-1); end

yc(1)=yuce(1) yc=yc';

yucezhi=yc-4*max1;

xiangduiwucha=abs(yucezhi-X0');

r=(min(xiangduiwucha)+0.5*max(xiangduiwucha))./(xiangduiwucha+0.5*max(xiangduiwucha));

15

s11=(X0-sum(X0)/n).^2; s1=sum(s11); S1=sqrt(s1/(n-1))

s22=(xiangduiwucha-sum(xiangduiwucha)/n).^2; s2=sum(s22); S2=sqrt(s2/(n-1)) C=S2/S1

e=abs(xiangduiwucha-sum(xiangduiwucha)/n) S0=0.6745*S1 count=0; for i=1:n if e(i)>S0

count=count+1; end end count 附件6: max1=max(X0) X00=X0+4*max1; n=length(X00) for i=1:n

leijia(i)=sum(X00(1:i)); end

for k=0:n-1

yuce(k+1)=-82551544.0211446*exp(-0.00019343*k)+82567337.0211446; end

e1=leijia-yuce; for i=1:n

e11(i)=sum(e1(1:i)); end

for i=1:n-1

junzhi(i)=(e11(i)+e11(i+1))/5; end

junzhi=[junzhi' ones(n-1,1)]; yn=e1(2:n);

a=(junzhi'*junzhi)^(-1)*junzhi'*yn' 附件7:

16

for k=245:488

X(k+1-245)=-82551544.0211446*exp(-0.00019343*k)+82567337.0211446+197.6106*exp(-0.0022*k); end

for k=1:243

yuce(k)=X(k+1)-X(k)-12806; end

plot([1:243],yuce) 附件8: for k=245:488

X(k+1-245)=-82551544.0211446*exp(-0.00019343*k)+82567337.0211446+197.6106*exp(-0.0022*k); end

for k=1:243

yuce(k)=X(k+1)-X(k)-12806; end

for k=1:244

X1(k)=-82551544.0211446*exp(-0.00019343*k)+82567337.0211446+197.6106*exp(-0.0022*k); end

for k=1:243

yuce1(k)=X1(k+1)-X1(k)-12806; end

X0=[2987 2972.2

2887.7 2904.5 2989.9 3141.4

2957.1

2972.4

2923 2935.9

2803.1 3035.9

2954 2960.7 2836 2878.3 3061.7

2922.5

2833.8

2836.4

2803.3 2950.7 2997.3 3143.7

2842.8 2960.3 3014.1 3096.4

2822.2 3035.7

2882 2921.8

3036.3 3080.9 3033.7

2930.53070.43137.43043.7

3142.8

3064.9

3014 3041.8 3071.8

3056.3 3051 3039.7

3068.8

3075.8 3032.5 3097.4 3185.9 3063.8 3019.6 2897.7

3046 3056.4 3149.6 3148.5 3001.4 2987.5 2834.5 2860.8 2889.6 2930.4

3087.2 3085.3 3118 3124.5

3194.1 3077.2 3027.2 2905.8

3095 3065.9 3194.3 3023.9 2978.4 2871.3

3107.2

3172.8 3169.1 3008.1 3008.4 2873.1 2834.9 2890.5 2935.5

3165.1 3152.1 2999.2 2994.6 2873.1 2791.8 2858.3 2885.3

3163.7 3104.4 3008.1 2993.5

3201.6 3049.2 3006.7 2865.9

3140.23070.72983.62838.1

2830

2833 2856.9 2769.2 2893.5

2874.2 2880.7 2832.4 2834.7

2746.5 2890.6

2772.8 2946.5

2775.5 2950.2

2816.2 2943.9

2877.12926.8

2896.9

2928 2943.7 2953.8 2950.2 2929.6 2926.6

17

];

2902 2816.1 2646.5 2635.1 2648.1 2600.1 2477.5

2831 2852.3

2669.9 2661.6 2587.6 2563.8

2836.8 2703.9 2739.4 2635.3 2632.1

2829.5 2831.6 2805.8 2805 2810.8

2680.7

2750.52654.3

2645.8 2675.2 2596.3 2553.4 2471.1

2716 2751.2 2736.2 2617.3 2558.8

2731.7 2724.5

2698.7 2616.1 2548.5 2546.8

2688.3 2588.4 2506.8 2556.3

2689.1 2602.6 2529.7 2496.6

2677.22596.62505.52490.3

2456 2460.1

2523.9

2535 2554.6 2542.6

2442 2427.3 2626.9 2583.8 2500.6

2482.8 2551.1 2590.6 2585.1 2587 2622.8

2649.6

2444.4

2648.2 2579.7 2473.5

2628.8 2531.1 2444.9

2622.6 2529.6

2644.7 2597.1 2598.7 2648.6

2527 2508.6

2440.9 2290.3

2511.2 2425.6 2309.7

2493 2496 2526.8 2400.8 2294.3

2437 2444.1

2295.5

2356 2334.92269.4

2273.3

2285 2330.8 2277 2304.1

2323.9 2321.5

xiuzhenzhi=X0(2:244)-yuce1;

yuce=xiuzhenzhi+yuce; plot([1:243],yuce) 附件9: for k=245:488

X(k+1-245)=-82551544.0211446*exp(-0.00019343*k)+82567337.0211446+197.6106*exp(-0.0022*k); end

for k=1:243

yuce(k)=X(k+1)-X(k)-12806; end

for k=1:244

X1(k)=-82551544.0211446*exp(-0.00019343*k)+82567337.0211446+197.6106*exp(-0.0022*k); end

for k=1:243

yuce1(k)=X1(k+1)-X1(k)-12806; end

X0=[2987 2972.2

2887.7 2904.5 2989.9 3141.4

2957.1

2972.4

2923 2935.9

2803.1 3035.9

2954 2960.7 2836 2878.3 3061.7

2922.5

2833.8

2836.4

2803.3 2950.7 2997.3 3143.7

2842.8 2960.3 3014.1 3096.4

2822.2 3035.7

2882 2921.8

3036.3 3080.9 3033.7

2930.53070.43137.43043.7

3142.8

3064.9

3014 3041.8 3071.8

3056.3 3051 3039.7

3068.8

3075.8 3032.5 3097.4

3046 3056.4 3087.2 3085.3 3118 3124.5 3095 3065.9 3107.2

18

];

3149.6 3148.5 3001.4 2987.5 2834.5 2860.8 2889.6 2930.4

3172.8 3169.1 3008.1 3008.4 2873.1 2834.9 2890.5 2935.5

3165.1 3152.1 2999.2 2994.6 2873.1 2791.8 2858.3 2885.3

3163.7 3104.4 3008.1 2993.5

3194.1 3077.2 3027.2 2905.8

3185.9 3063.8 3019.6 2897.7

3194.3 3023.9 2978.4 2871.3

3201.6 3049.2 3006.7 2865.9

3140.23070.72983.62838.1

2830

2833 2856.9 2769.2 2893.5

2874.2 2880.7 2832.4 2834.7

2746.5 2890.6

2772.8 2946.5

2775.5 2950.2

2816.2 2943.9

2877.12926.8

2896.92750.52654.3

2928 2943.7 2836.8 2703.9 2739.4 2635.3 2632.1

2953.8 2950.2 2929.6 2926.6

2902 2816.1 2646.5 2635.1 2648.1 2600.1 2477.5

2831 2852.3

2669.9 2661.6 2587.6 2563.8

2829.5 2831.6 2805.8 2805 2810.8

2680.7

2645.8 2675.2 2596.3 2553.4 2471.1

2716 2751.2 2736.2 2617.3 2558.8

2731.7 2724.5

2698.7 2616.1 2548.5 2546.8

2688.3 2588.4 2506.8 2556.3

2689.1 2602.6 2529.7 2496.6

2677.22596.62505.52490.3

2456 2460.1

2523.9

2535 2554.6 2542.6

2442 2427.3 2626.9 2583.8 2500.6

2482.8 2551.1 2590.6 2585.1 2587 2622.8

2649.6

2444.4

2648.2 2579.7 2473.5

2628.8 2531.1 2444.9

2622.6 2529.6

2644.7 2597.1 2598.7 2648.6

2527 2508.6

2440.9 2290.3

2511.2 2425.6 2309.7

2493 2496 2526.8 2400.8 2294.3

2437 2444.1

2295.5

2356 2334.92269.4

2273.3

2285 2330.8 2277 2304.1

2323.9 2321.5

xiuzhenzhi=X0(2:244)-yuce1;

yuce=xiuzhenzhi+yuce; yuce1(1)=yuce(1)+20; yuce1(2:243)=yuce(2:243); yuce2(1)=yuce(1)+30;

yuce2(2:243)=yuce(2:243)+10; plot([1:243],yuce1,[1:243],yuce2) 附件10: clear

shoupan=[2987 2972.2

2836.4 2930.5 3070.4 3137.4 3043.7

2887.7 2904.5 2989.9 3141.4

2957.1 2803.3 2950.7 2997.3 3143.7

2972.4 2842.8 2960.3 3014.1 3096.4

2923 2935.9 2822.2 3035.7

2954 2960.7

2922.5

2833.8

2803.1 3035.9

2836 2878.3 3061.7

2882 2921.8

3036.33080.93033.7

3107.2

3064.9

3014 3041.8 3071.8

3056.3 3051 3039.7

3068.8

3075.8 3032.5 3097.4

3046 3056.4 3087.2 3085.3 3118 3124.5 3095 3065.9

19


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