| 6 | 1/1 | 返回列表 |
| 查看: 2096 | 回復(fù): 5 | ||
sunjie2668木蟲 (小有名氣)
|
[求助]
x^2+3*y+e^z=0怎么畫Z關(guān)于X,Y的三維圖,求指教 已有5人參與
|
| x^2+3*y+e^z=0怎么畫Z關(guān)于X,Y的三維圖,求指教 |

榮譽(yù)版主 (知名作家)
小木蟲浪子

|
本帖內(nèi)容被屏蔽 |
|
model: sets: QUARTERS/1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21/:x,y,c,w,p,b,q,f; KIND/1,2,3,4/:z; LINK(QUARTERS,KIND):a; endsets data: c=5.000,4.613,4.257,3.928,3.624,3.344,3.085,2.847,2.627,2.423,2.236, 2.0632,1.904,1.756,1.621,1.495,1.380,1.273,1.175,1.084,1.000; p=0.0000,0.0001,0.0002,0.0002,0.0003,0.0005,0.0007,0.0011,0.0017,0.0025,0.0037,0.0055, 0.0082,0.0127,0.0181,0.0271,0.0404,0.0602,0.0899,0.1341,0.2000; enddata init: f(1)=0;b(1)=0;q(1)=0;M=2;V=1; endinit @for(LINK(i,j):w(i)=a(i,1)*20*x(i)+a(i,2)*(18*x(i)+800)+a(i,3)*(15*x(i)+4400)+a(i,4)*(31400-(x(i)-1800)*V)+(a(i,1)+a(i,2)+a(i,3))*q(i)-f(i)*V -y(i)*c(i)); max=@sum(QUARTERS(i):w(i)); @for(QUARTERS(i):@SUM(KIND(j):a(i,j))=1); @for(LINK:@bin(a)); @for(LINK(i,j):a(i,1)=@if(x(i)#le#400,1,0);a(i,2)=@if(x(i)#le#1200#and#x(i)#gt#400,1,0);a(i,3)=@if(x(i)#le#1800#and#x(i)#gt#1200,1,0);a(i,4)=@if(x(i)#le#20000#and#x(i)#gt#1800,1,0)); @sum(QUARTERS(i):y(i))<=20000; @for(QUARTERS(i):x(i)=y(i)*(1-p(i))); @for(QUARTERS(i):0<=b(i)<=(1800-x(i))); @for(QUARTERS(i):0<=f(i)); @for(QUARTERS(i)|i#GT#1#and#i#le#21:f(i)=f(i-1)-b(i)+x(i-1)-1800); @for(LINK(i,j):q(i)=b(i)*(a(i,1)*(20-M)+a(i,2)*(18-M)+a(i,3)*(15-M))); end |
木蟲 (正式寫手)
新蟲 (初入文壇)
| 6 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 材料與化工272求調(diào)劑 +17 | 阿斯蒂芬2004 2026-03-28 | 17/850 |
|
|---|---|---|---|---|
|
[考研] 309求調(diào)劑 +8 | 誰(shuí)不是少年 2026-03-29 | 8/400 |
|
|
[考研] 一志愿哈爾濱工業(yè)大學(xué)材料與化工方向336分 +10 | 辰沐5211314 2026-03-26 | 10/500 |
|
|
[考研] 化學(xué)0703 調(diào)劑 306分 一志愿211 +7 | 26要上岸 2026-03-28 | 7/350 |
|
|
[考研] 一志愿雙一流機(jī)械285分求調(diào)劑 +4 | 幸運(yùn)的三木 2026-03-29 | 5/250 |
|
|
[考研] 一志愿北京理工大學(xué)本科211材料工程294求調(diào)劑 +8 | mikasa的圍巾 2026-03-28 | 8/400 |
|
|
[考研] 348求調(diào)劑 +5 | 小懶蟲不懶了 2026-03-28 | 5/250 |
|
|
[考研] 081200-11408-276學(xué)碩求調(diào)劑 +6 | 崔wj 2026-03-26 | 6/300 |
|
|
[考研] 356求調(diào)劑 +3 | gysy?s?a 2026-03-28 | 3/150 |
|
|
[考研] 張芳銘-中國(guó)農(nóng)業(yè)大學(xué)-環(huán)境工程專碩-298 +4 | 手機(jī)用戶 2026-03-26 | 4/200 |
|
|
[考研] 328求調(diào)劑 +7 | 嗯滴的基本都 2026-03-27 | 7/350 |
|
|
[考研] 340求調(diào)劑 +5 | jhx777 2026-03-27 | 5/250 |
|
|
[有機(jī)交流]
高溫高壓反應(yīng)求助
10+4
|
chibby 2026-03-25 | 4/200 |
|
|
[考研] 考研化學(xué)308分求調(diào)劑 +10 | 你好明天你好 2026-03-23 | 12/600 |
|
|
[論文投稿] Journal of Mechanical Science and Technology +3 | Russ_ss 2026-03-25 | 5/250 |
|
|
[考研] 359求調(diào)劑 +4 | 王了個(gè)楠 2026-03-25 | 4/200 |
|
|
[考研] 總分322求生物學(xué)/生化與分子/生物信息學(xué)相關(guān)調(diào)劑 +5 | 星沉uu 2026-03-26 | 6/300 |
|
|
[考研] 07化學(xué)303求調(diào)劑 +5 | 睿08 2026-03-25 | 5/250 |
|
|
[考研] 考研一志愿蘇州大學(xué)初始315(英一)求調(diào)劑 +3 | sbdksD 2026-03-24 | 4/200 |
|
|
[考研] 接收2026碩士調(diào)劑(學(xué)碩+專碩) +4 | allen-yin 2026-03-23 | 6/300 |
|