| 11 | 1/1 | 返回列表 |
| 查看: 1299 | 回復(fù): 10 | |||
[交流]
【求助】請教此方程的MATLAB解法
|
|||
|
請教此方程的MATLAB解法 (1-a)^n=(b/x)*((x-c)/(b-c))^n 其中a,b,c,n都已知,求x 謝謝 |
» 搶金幣啦!回帖就可以得到:
+5/295
+1/86
+1/86
+1/85
+1/75
+2/38
+1/35
+1/35
+1/17
+1/11
+1/7
+1/6
+1/6
+1/5
+1/5
+1/4
+1/2
+1/1
+1/1
+1/1
|
LZ下為解析解形式 >> syms a x;solve('(1-a)^8=(0.22/x)*((200-x)/199.98)^8','x') ans = RootOf(X23^8 - 1600*X23^7 + 1120000*X23^6 - 448000000*X23^5 + 112000000000*X23^4 - 17920000000000*X23^3 + 1792000000000000*X23^2 - 25600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000/10008003601200330079217163432643614339387154094354890995968377730466292582503452443909972786734210864358144806429271875246326625363187509269664014448354608273383783099384359449624789237464577166826995148849431153793851432643534321716079203300120003600080001*X23*(- 400/11*a + 1400/11*a^2 - 2800/11*a^3 + 3500/11*a^4 - 2800/11*a^5 + 1400/11*a^6 - 400/11*a^7 + 50/11*a^8 + 12610088039613203630871388797759079757733258695037903800955652155035129218407537976883009700654076319507939592870721990627709592878995062601966304158931900691007221614093227953945872681612110348835096946637343742691732365759078877538876871236301320039600880011/2750000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) + 2560000000000000000, X23) |
|
a??????Χ?????????????????????????????????????????????е????????????????????????????????????????????????????????е?????????????http://www.ilovematlab.cn/???Ma ... ??????????????? |

| 11 | 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] 0817 化學(xué)工程 299分求調(diào)劑 有科研經(jīng)歷 有二區(qū)文章 +18 | rare12345 2026-03-18 | 18/900 |
|
|---|---|---|---|---|
|
[考研] 能源材料化學(xué)課題組招收碩士研究生8-10名 +4 | 脫穎而出 2026-03-16 | 12/600 |
|
|
[考研] 085601材料工程專碩求調(diào)劑 +10 | 慕寒mio 2026-03-16 | 10/500 |
|
|
[考研] 一志愿福大288有機化學(xué),求調(diào)劑 +3 | 小木蟲200408204 2026-03-18 | 3/150 |
|
|
[考研] 一志愿南昌大學(xué),327分,材料與化工085600 +3 | Ncdx123456 2026-03-19 | 3/150 |
|
|
[考研] 328求調(diào)劑,英語六級551,有科研經(jīng)歷 +4 | 生物工程調(diào)劑 2026-03-16 | 12/600 |
|
|
[考研] 332求調(diào)劑 +3 | ydfyh 2026-03-17 | 3/150 |
|
|
[考研] 本科鄭州大學(xué)物理學(xué)院,一志愿華科070200學(xué)碩,346求調(diào)劑 +4 | 我不是一根蔥 2026-03-18 | 4/200 |
|
|
[考研] 一志愿武理材料305分求調(diào)劑 +5 | 想上岸的鯉魚 2026-03-18 | 6/300 |
|
|
[考研] 268求調(diào)劑 +6 | 簡單點0 2026-03-17 | 6/300 |
|
|
[考研] 278求調(diào)劑 +5 | 煙火先于春 2026-03-17 | 5/250 |
|
|
[考研] 考研求調(diào)劑 +3 | 橘頌. 2026-03-17 | 4/200 |
|
|
[考研] 085601求調(diào)劑 +4 | Du.11 2026-03-16 | 4/200 |
|
|
[考研] 332求調(diào)劑 +6 | Zz版 2026-03-13 | 6/300 |
|
|
[考研] 一志愿南京大學(xué),080500材料科學(xué)與工程,調(diào)劑 +4 | Jy? 2026-03-16 | 4/200 |
|
|
[考研] 藥學(xué)383 求調(diào)劑 +3 | 藥學(xué)chy 2026-03-15 | 4/200 |
|
|
[考研] 318求調(diào)劑 +3 | Yanyali 2026-03-15 | 3/150 |
|
|
[考研] 277材料科學(xué)與工程080500求調(diào)劑 +3 | 自由煎餅果子 2026-03-16 | 3/150 |
|
|
[考研] 326求調(diào)劑 +3 | mlpqaz03 2026-03-15 | 3/150 |
|
|
[考研] 材料與化工 323 英一+數(shù)二+物化,一志愿:哈工大 本人本科雙一流 +4 | 自由的_飛翔 2026-03-13 | 5/250 |
|