1stopt8.0 代码示例

具体解释见知乎：https://www.zhihu.com/question/60356140/answer/1280109817
  1 NewCodeBlock"1";
  2 Parameter x(1:3)=[0,];
  3 MaxFunction 2*x1+3*x2+x3;
  4 x1+3*x2+x3 <= 15;
  5 2*x1+3*x2-x3 <= 18;
  6 x1-x2+x3 <= 3;
  7 NewDivision"2.1";
  8 //直接拟合
  9 Variable x,y;
 10 Function y=a*x^b;
 11 Data;
 12 0.091 0.7171
 13 0.2543 0.8964
 14 0.3121 1.0202
 15 0.3792 1.1962
 16 0.4754 1.4928
 17 0.4410 1.6909
 18 0.4517 1.8548
 19 0.5595 2.1618
 20 0.8080 2.6638
 21 NewDivision"2.2";
 22 //线性化后拟合
 23 PassParameter a=exp(a1);
 24 Variable x1,y1;
 25 Function y1=a1+b*x1;
 26 Data;
 27 -2.3969 -0.3325
 28 -1.3692 -0.1094
 29 -1.1644 0.0200
 30 -0.9697 0.1791
 31 -0.7436 0.4007
 32 -0.8187 0.5253
 33 -0.7947 0.6178
 34 -0.5807 0.7709
 35 -0.2132 0.9798
 36 NewDivision"3";
 37 Algorithm = SM2[ 150];
 38 ParameterDomain = [ 0, ] ;
 39 MinFunction -40*x1*Cos(x2)-35*x2*Sin(x1)+15*x1^2-Sin(x1)*20+12*x2^2-25*x1*x2*Sin(x1*x2^2*Cos(x1+x2));
 40 NewDivision"4";
 41 Algorithm = SM2[100];
 42 ParameterDomain = [-50,50];
 43 MinFunction cos(x1)*cos(x2)-Sum(i=1:5)((-1)^i*i*2*
 44 exp(-500*((x1-i*2)^2+(x2-i*2)^2)));
 45 NewDivision"5.1";
 46 Variable x,y1,y2;
 47 SharedModel;
 48 Function y1 = a/(1+(b*x)^2);
 49 y2 = -(a*c)/(1+(n*x)^2);
 50 Data;
 51 0 3 -0.789
 52 0.01 2.88462 -0.660
 53 0.02 2.58621 -0.648
 54 0.03 2.20588 -0.511
 55 0.04 1.82927 -0.440
 56 0.05 1.5 -0.418
 57 0.06 1.22951 -0.338
 58 0.07 1.01351 -0.279
 59 0.08 0.8427 -0.237
 60 0.09 0.70755 -0.218
 61 0.1 0.6 -0.177
 62 0.11 0.5137 -0.136
 63 NewDivision"5.2";
 64 ComplexStr = i;
 65 Variable x,y[realPart],y[imagPart];
 66 Function y= A/(1+(x*B)^2) - i*(A*C)/(1+(x*B)^2);
 67 Data;
 68 0 3 -0.789
 69 0.01 2.88462 -0.660
 70 0.02 2.58621 -0.648
 71 0.03 2.20588 -0.511
 72 0.04 1.82927 -0.440
 73 0.05 1.5 -0.418
 74 0.06 1.22951 -0.338
 75 0.07 1.01351 -0.279
 76 0.08 0.8427 -0.237
 77 0.09 0.70755 -0.218
 78 0.1 0.6 -0.177
 79 0.11 0.5137 -0.136
 80 
 81 NewDivision"6";
 82 Parameter x, y, z;
 83 Function (x-0.3)^y^z+x/y/z-x*y*sin(z)+(x+y-z)^cos(x-1) = 1;
 84 (y-0.2)^z^x+y/z/x-y*z*sin(x)+(y+z-x)^cos(y-2) = 2;
 85 (z-0.1)^x^y+z/x/y-z*x*sin(y)+(z+x-y)^cos(z-3) = 3;
 86 NewDivision"7";
 87 Constant n=50, L=100/n;
 88 LoopConstant x2(n)=[200, x1(n-1)], y2(n)=[0.3, y1(n-1)];
 89 PlotLoopData y2;
 90 function (x2-x1)*y2=l/2*(-4.5*(sin(y2)+sin(y1))+0.02*(sqrt(1+2*x2)*cos(y2)^2+sqrt(1+2*x1)*cos(y1)^2));
 91 (y2-y1)*x2=l/(x2+x1)*(-4.5*(cos(y2)+cos(y1))+2*(sqrt(1+2*x2)*sin(y2)^2+sqrt(1+2*x1)*sin(y1)^2));
 92 NewDivision"8";
 93 Variable t=[0.2 :0.1 :4], y=1.5;
 94 Plot t[x], y, y'[y2];
 95 ODEFunction y'=y^(sin(t-y))-ln(y*t);
 96 NewDivision"9-分段函数";
 97 Variable t=[0.0:0.1:6], y=0,y'=0;
 98 ConstStr f=if(t<=1,t,if(t<=2,2*t,if(t<=5,4,0)));
 99 Plot t[x],y,y',y'';//t[x]表示t为横轴x，其余变量绘制在y轴
100 ODEFunction y''=f-2*t*y'-y*t;
101 NewDivision"10-变系数常微分方程求解并绘图";
102 LoopConstant a=[1:0.02:3];
103 Variable x=0, y=0, t=[0,2];
104 Plot x[x],y,y',x';
105 ODEFunction x'=y-cos(x+y-a)+y*(sin(x^2*y+a));
106 y'=x-x^3-0.1*y+0.5*cos(0.2*t*y+x-a)*t;
107 NewDivision"11-变边界";
108 LoopConstant a=[0:0.01:1];
109 Plot y,y'[x],y'';
110 Variable t=[0,1], y=a, y'=1*a*2;
111 ODEFunction y''=(1-y^2+a)*y'-sin(t*y')*y+cos(t*y');
112 NewDivision"12-变初值";
113 LoopConstant a=[-3.5:0.1:3.5];
114 Variable t=[0:0.2:10],x=2*a,y=a^2;
115 Plot x[x],y, y+x/2;
116 ODEFunction x'=2*(Cos(t)-x+y)/Sqrt((Sin(t)*y-x-0.1)^2+(Cos(t)*x-y)^2);
117 y'=2*(Sin(t)-y+x)/Sqrt((Sin(t)*y-x-0.1)^2+(Cos(t)*x-y)^2);
118 NewCodeBlock"13-微分方程组求参数";
119 Parameter p1,p2;
120 iValue t=0,x1=p1,x2=0.6,x3=2*p1,x4=p2;
121 SubjectTo x1[1]=x4[1]+p1,x3[0.33]=x4[0.43];
122 Variable t,x1,x4;//t一定要放x前面，x'就表示dx/dt
123 ODEFunction x1'=x3*x2;
124 x2'=x3*(-x1+sin(x2));
125 x3'=1;
126 x4'=-2*x1;
127 Data;
128 1,NAN,NAN
129 NewCodeBlock"14-微分方程与代数方程混合拟合";
130 Variable t,y,z;
131 ODEFunction y''=a*y^2;
132 z=a*ln(t)+b/exp(y);
133 Data;
134 //t y z
135 1 0.909 0.051
136 1.1 0.706 0.276
137 1.2 0.363 0.435
138 1.3 0.079 0.611
139 1.4 -0.226 0.807
140 1.5 -0.474 1.119
141 1.6 -0.765 1.307
142 1.7 -1.183 1.514
143 1.8 -1.436 1.673
144 1.9 -1.573 1.847
145 2 -1.811 2.168
146 2.1 -1.937 2.389
147 2.2 -1.869 2.453
148 2.3 -2.013 2.693
149 2.4 -1.679 2.648
150 2.5 -1.668 2.413
151 2.6 -1.465 2.288
152 2.7 -1.146 2.271
153 2.8 -0.791 2.564
154 2.9 -0.586 2.392
155 3 -0.282 2.197
156 NewCodeBlock"15-微分方程拟合可以设定未知微分方程初值的范围";
157 Constant u=3.9139*10^(-5);
158 Parameter k1= [0.0001,50];
159 Parameter k2= [0.0001,1];
160 Parameter k3= [0.0001,1];
161 Parameter k4= [0.1,1];
162 Parameter k5= [0.01,1];
163 Parameter k6= [0.1,1];
164 EnhancedBound = 1;
165 InitialODEValue t=1, y1=1.4*10^8,y2=p1=[1.8*10^4,1.4*10^7], y3=p2=[1.8*10^3,1.8*10^5], y4=1212,y5=0;
166 Variable t,y4;
167 ODEFunction
168 y1'=u*(y1+y2+y3+y4+y5)-k1*(y3+y4)*y1/(y1+y2+y3+y4+y5)+k2*y5-u*y1;
169 y2'=k1*(y3+y4)*y1/(y1+y2+y3+y4+y5)-k3*y2-u*y2;
170 y3'= k3*(1-k5)*y2-k4*y3-u*y3;
171 y4'= k3*k5*y2-k6*y4-u*y4;
172 y5'= k4*y3+k6*y4-k2*y5-u*y5;
173 Data;
174 t=31,59,90,120,151,181,212,243,273,304,334,365;
175 y4=37567,23862,77756,248609,354347,343100,261263,119096,101654, 87612,79591,60879;
176 NewCodeBlock"16-共享参数命令 SharedModel2";
177 Variable x,y;
178 SharedModel2;
179 Function y = a+(b/((c*293-x0-x)+(Sqrt(c*293-x0-x)^2+d*x*293)));
180 y = a+(b/((c*313-x0-x)+(Sqrt(c*313-x0-x)^2+d*x0*313)));
181 Data;
182 1.496 6.893
183 20.940 6.529
184 45.620 5.996
185 75.534 5.338
186 91.239 4.932
187 121.154 4.119
188 150.321 3.222
189 170.513 2.466
190 190.705 1.737
191 219.872 0.658
192 Data;
193 1.496 8.252
194 142.094 6.389
195 191.453 5.450
196 221.368 4.820
197 252.030 4.133
198 281.197 3.363
199 310.363 2.550
200 339.530 1.639
201 NewCodeBlock"17-过指定点";
202 PassPoint =[2,149], [10,224];
203 Variable x, y;
204 Parameter m1, m2;
205 Function y=m1*(1-exp(-m2*x));
206 Data;//x y,一定要和 Variable后的变量对应
207 1 109
208 2 149
209 3 149
210 5 191
211 7 213
212 10 224
213 NewCodeBlock"18-变量值缺失";
214 Algorithm = SM3;
215 Variable x, y;
216 ParVariable N[-10,10,0];
217 Function y=k1*x+N*k2;
218 Data;
219 0.2253 0.0047
220 0.2801 0.0431
221 0.3840 -0.0700
222 0.8087 -0.0718
223 NewCodeBlock"19-微分方程中试验数据缺失";
224 Variable t,x(4);
225 ODEFunction x1'=x3;
226 x2'=x4;
227 x3'=(1-k1)*sin(k2*t+k4)-2*k3*x3+2*k3*x4-x1+x2;
228 x4'=(k1*sin(k2*t+k4)+2*k3*x3-2*k3*(1+k5)*x4+x1-(1+k6)*x2)/k7;
229 Data;
230 0 0.005 -3 0 0
231 1 -1.445 -2.045 -1.914 1.782
232 2 -2.994 NAN -0.346 1.273
233 3 NAN 0.55 1.784 NAN
234 4 0.974 0.576 NAN -0.291
235 5 3.164 NAN 0.789 0.531
236 6 NAN 1.347 -0.862 NAN
237 7 1.346 1.951 NAN 0.676
238 8 0.393 NAN -0.011 -0.903
239 9 NAN 0.808 0.043 NAN
240 10 0.687 -0.57 0.065 -1.363
241 NewCodeBlock"20-拟合输出有范围限制";
242 Parameters a, b=[,0];
243 Variable x, y, z;
244 Function z=a*((0.5*(1+b*y)^(1/3))*((1-x)^(2/3)-1)-1/3*(-x));
245 For(i=1:8,x,y)(a*((0.5*(1+b*y)^(1/3))*((1-x)^(2/3)-1)-1/3*(-x))>=0);
246 data;
247 0.412388 0.171162 2
248 0.513383 0.1624289 4
249 0.598418 0.1455541 6
250 0.69462 0.1123357 10
251 0.768463 0.0908761 15
252 0.833091 0.0789701 20
253 0.893342 0.0571363 30
254 0.912325 0.0474417 45
255 NewCodeBlock"21-批处理拟合---BatchFileModel+VarConstant";
256 BatchFileModel;
257 VarConstant B = [1,2,3,4];
258 Variable x = "CodeSheet1[A1:A15]", y = "CodeSheet1[B1:E15]";
259 Function y = y0+A/(w*sqrt(pi/2))*exp(-(2*(x-x0)^2/w^2))+B;
260 NewCodeBlock"22-变常数拟合---VarConstant";
261 VarConstant p5=[-1,-0.5,0,0.5];
262 Function y= p1-p1*exp(-p2*x^p3)+p4*x^p5+p2;
263 Data;
264 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
265 46.3,18.6,3.2,-0.5,-2.0,-2.3,-2.5,-2.3,-2.3,-2.3,-2.4,-2.2,-2.1,-1.8,-1.6,-1.5,-1.3,-1.2,-1.1;
266 Data;
267 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
268 11.7,6.6,2.9,2.3,2.2,2.3,2.4,2.3,2.5,2.6,2.3,2.7,2.5,2.7,3.1,2.9,3.0,3.1,3.0;
269 Data;
270 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
271 -7.3,-2.1,3.1,6.1,7.9,8.7,11.0,11.6,13.2,11.9,14.2,13.7,15.6,14.5,15.1,15.1,15.1,17.0,15.0;
272 Data;
273 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
274 -15.7,-7.4,3.1,10.3,16.7,18.4,26.5,31.0,32.2,31.9,40.4,36.2,40.4,48.8,44.3,50.7,45.9,58.4,55.4;
275 NewCodeBlock"23-变系数拟合--VarParameter";
276 VarParameter p5;
277 Function y= p1-p1*exp(-p2*x^p3)+p4*x^p5+p2;
278 Data;
279 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
280 46.3,18.6,3.2,-0.5,-2.0,-2.3,-2.5,-2.3,-2.3,-2.3,-2.4,-2.2,-2.1,-1.8,-1.6,-1.5,-1.3,-1.2,-1.1;
281 Data;
282 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
283 11.7,6.6,2.9,2.3,2.2,2.3,2.4,2.3,2.5,2.6,2.3,2.7,2.5,2.7,3.1,2.9,3.0,3.1,3.0;
284 Data;
285 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
286 -7.3,-2.1,3.1,6.1,7.9,8.7,11.0,11.6,13.2,11.9,14.2,13.7,15.6,14.5,15.1,15.1,15.1,17.0,15.0;
287 Data;//老界面少了分号算不了
288 0.25,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9;
289 -15.7,-7.4,3.1,10.3,16.7,18.4,26.5,31.0,32.2,31.9,40.4,36.2,40.4,48.8,44.3,50.7,45.9,58.4,55.4;
290 
291 NewCodeBlock"24-高级计算器";
292 
293 f1 = 5*sin(pi*6)^2+exp(6.45+ln(2.14));
294 f2 = int(x^(sin(Gamma(x)))+(abs(sin(x)))^x, x=0:pi)+sum(i=1:10)(prod(j=1:i)(0.1*ln(i*j)^2));
295 f3 = sqrt(max(f1^0.1, f2));
296 f4 = Sum(i=1:3)(Sum(j=1:i)(Sum(m=1:4)(Prod(n=1:m)(Prod(p=1:3)(f3^((i+j+m+n+p)/1000))))));
297 f5 = Complex(5*sin(pi*6)^2*i+exp(6.45+ln(2.14)*i));//f1,为了避免重合，改了一下名字
298 f6 = Complex(f1+cos(5.6+i));//f2
299 
300 Conststr y=x^2+exp(x+2)*sin(x);//定义字符串，下式中左边字符串可以代替右边字符串，所以叫做常字符串Conststr
301 Diff(y,x);
302 Diff(y,x=0.5);
303 Diff(y,x,3);
304 Diff(y,x=0.5,3);
305 NewCodeBlock"25-带积分符号的拟合";
306 Parameter p(5);
307 Variable x,y;
308 Function y=int(((p1*(x-u)+x^p2)*exp(-p3*(x-u)^2)+p4)^2,u=0,x)/x^p5;
309 Data;
310 0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5;
311 0.063,0.102,0.086,0.075,0.062,0.056,0.051,0.045,0.041,0.040,0.038,0.034,0.030,0.028,0.028,0.028,0.028,0.027,0.024;
312 NewCodeBlock"26-公式自动搜索拟合";
313 Data;
314 15 0.489
315 30 0.427
316 45 0.373
317 60 0.327
318 75 0.285
319 90 0.250
320 105 0.218
321 120 0.191
322 135 0.167
323 495 0.005
posted on 2020-06-13 03:06 猪冰龙阅读(972) 评论(0) 编辑收藏举报
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1stopt8.0 代码示例
