文档同一存放
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1.事故隐患界面增加无图片导出excel(支持一次性导出1000条)
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2.增加应急预案
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3.安全绩效下的个人安全绩效统计数字可点击链接查看
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doc/惠东需求.xlsx
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doc/惠东需求.xlsx
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doc/灰色预测模型.cs
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doc/灰色预测模型.cs
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace YOMIFrameWork.Common
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{
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/// <summary>
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/// 灰色预测
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/// </summary>
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public class GrayModel
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{
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private static GrayModel _Instrance = null;
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public static GrayModel Instrance
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{
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get { if (_Instrance == null) return new GrayModel(); else return _Instrance; }
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}
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public double GetNext(List<double> data)
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{
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//开始计算
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//一次累加begin
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int number = data.Count;
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double[] aArray = new double[number];//原始数据
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double[] bArray = new double[number];//一次累加的结果
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for (int i = 0; i < number; i++)
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{
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aArray[i] = data[i];
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}
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bArray[0] = aArray[0];
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for (int x = 1; x < number; x++)
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{
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bArray[x] = bArray[x - 1] + aArray[x];
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}
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//end
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//计算均值系列begin
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double[] cArray = new double[number]; //均值计算的结果
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cArray[0] = 0.0;
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for (int x = 1; x < number; x++)
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{
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cArray[x] = bArray[x - 1] / 2 + bArray[x] / 2;
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}
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//end
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//计算C,D,E,F
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//计算C
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double[] dArray = new double[number];
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dArray[1] = cArray[1];
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for (int x = 1; x < number; x++)
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{
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dArray[x] = cArray[x] + dArray[x - 1];
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}
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double C;
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C = dArray[number - 1];
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//end
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//计算D
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double[] fArray = new double[number];
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fArray[1] = aArray[1];
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for (int x = 1; x < number; x++)
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{
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fArray[x] = aArray[x] + fArray[x - 1];
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}
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double D;
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D = fArray[number - 1];
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//end
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//计算E
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double[] gArray = new double[number];
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gArray[1] = aArray[1] * cArray[1];
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for (int x = 1; x < number; x++)
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{
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gArray[x] = aArray[x] * cArray[x] + gArray[x - 1];
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}
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double E;
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E = gArray[number - 1];
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//end
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//计算F
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double[] hArray = new double[number];
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hArray[1] = cArray[1] * cArray[1];
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for (int x = 1; x < number; x++)
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{
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hArray[x] = cArray[x] * cArray[x] + hArray[x - 1];
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}
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double F;
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F = hArray[number - 1];
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//end
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//计算a,b
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//计算发展系数a begin
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//textBox2.Text = "";
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double a;
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a = (C * D - (number - 1) * E) / ((number - 1) * F - C * C);
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//textBox2.Text = a.ToString();
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//end
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//计算灰作用量b begin
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//textBox3.Text = "";
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double b;
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b = (D * F - C * E) / ((number - 1) * F - C * C);
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//textBox3.Text = b.ToString();
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//end
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//计算q
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double q;
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q = b / a;
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//end
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//istBox4.Items.Clear();
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double ssn1 = (aArray[0] - q) * Math.Exp(-a * (number)) + q;
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double ssn = (aArray[0] - q) * Math.Exp(-a * (number - 1)) + q;
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return (ssn1 - ssn);
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}
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}
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}
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