| 6 | 1/1 | 返回列表 |
| 查看: 1613 | 回復(fù): 5 | ||
suzhiping新蟲 (小有名氣)
|
[求助]
求助matlab問題
|
|
t=2.06; m=6e5; f=2e-15; c=0.082; x_v=0.2:0.01:0.4; syms x y; f=((1-x)*(m^(1/t)-y^(1/t)))/(m^(1/t)+(1-c)/c*(y^(1/t)))+x*(f^(1/t)-m^(1/t))/(f^(1/t)+(1-c)/c*(y^(1/t))); for i=1:length(x_v) ff=subs(f,x,x_v(i)); y_v(i)=double(solve(ff)); end plot(x_v,abs(y_v)); 請問各位大俠上面的程序運(yùn)行為什么總是報(bào)錯:In an assignment A(I) = B, the number of elements in B and I must be the same. 應(yīng)該怎么改。謝謝! |
新蟲 (小有名氣)
至尊木蟲 (正式寫手)
|
應(yīng)該是在[0.2,1.2]這個(gè)區(qū)間有多解存在,你可以按下面的方式取第一個(gè)解: t=2.06; m=6e5; f=2e-15; c=0.082; x_v=0.2:0.01:0.4; syms x y; f=((1-x)*(m^(1/t)-y^(1/t)))/(m^(1/t)+(1-c)/c*(y^(1/t)))+x*(f^(1/t)-m^(1/t))/(f^(1/t)+(1-c)/c*(y^(1/t))); for i=1:length(x_v) ff=subs(f,x,x_v(i)); rx=double(solve(ff)); y_v(i)=rx(1); end plot(x_v,abs(y_v)); |
金蟲 (著名寫手)
木蟲 (小有名氣)
木蟲 (小有名氣)
| 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] 332求調(diào)劑 +12 | 032500 2026-03-25 | 12/600 |
|
|---|---|---|---|---|
|
[考研] 南京大學(xué)化學(xué)調(diào)劑 +10 | 景隨風(fēng) 2026-03-29 | 15/750 |
|
|
[考研] 材料科學(xué)與工程求調(diào)劑 +6 | 深V宿舍吧 2026-03-29 | 6/300 |
|
|
[考研] 總分293求調(diào)劑 +8 | 加一一九 2026-03-25 | 11/550 |
|
|
[考研] 070305高分子化學(xué)與物理 304分求調(diào)劑 +12 | c297914 2026-03-28 | 12/600 |
|
|
[考研] 一志愿鄭州大學(xué),080500學(xué)碩,總分317分求調(diào)劑 +8 | 舉個(gè)栗子oi 2026-03-24 | 9/450 |
|
|
[考研] 343求調(diào)劑 +6 | 愛羈絆 2026-03-29 | 6/300 |
|
|
[考研] 279求調(diào)劑 +4 | 蝶舞輕繞 2026-03-29 | 4/200 |
|
|
[考研] 調(diào)劑求院校招收 +6 | 鶴鯨鴿 2026-03-28 | 6/300 |
|
|
[考研] 330分求調(diào)劑 +5 | qzenlc 2026-03-29 | 5/250 |
|
|
[考研] 347求調(diào)劑 +3 | 山頂見α 2026-03-25 | 3/150 |
|
|
[考研] 322求調(diào)劑 +5 | 舊吢 2026-03-24 | 5/250 |
|
|
[考研] 295求調(diào)劑 +5 | 1428151015 2026-03-27 | 6/300 |
|
|
[考研] 275求調(diào)劑 +10 | jjjjjjjjjjl 2026-03-27 | 10/500 |
|
|
[考研] 266分求材料化工冶金礦業(yè)等專業(yè)的調(diào)劑 +4 | 哇呼哼呼哼 2026-03-26 | 4/200 |
|
|
[考研] 機(jī)械學(xué)碩310分,數(shù)一英一,一志愿211本科雙非找調(diào)劑信息 +3 | @357 2026-03-25 | 3/150 |
|
|
[考研] 生物學(xué)學(xué)碩求調(diào)劑 +7 | 小羊睡著了? 2026-03-23 | 10/500 |
|
|
[考研] 化工專碩求調(diào)劑 +3 | question挽風(fēng) 2026-03-24 | 3/150 |
|
|
[考研] 一志愿吉大化學(xué)322求調(diào)劑 +4 | 17501029541 2026-03-23 | 6/300 |
|
|
[考研] 284求調(diào)劑 +3 | yanzhixue111 2026-03-23 | 6/300 |
|