| 5 | 1/1 | 返回列表 |
| 查看: 2162 | 回復: 8 | ||
| 當前只顯示滿足指定條件的回帖,點擊這里查看本話題的所有回帖 | ||
T大仁木蟲 (正式寫手)
|
[求助]
求解復雜含對數的一元二次方程式 已有1人參與
|
|
|
這里有一個復雜含對數的一元二次方程式: 1121.46*y-log10(y)-178826.58*y*0.0005+80199.68*y^2+600*x*y= =2*log10(x)+4*log10(0.0005)-4.87*x-430.35*0.0005+350217.39*z^2+978.14*x*0.0005-0.04*x^2+20.54 取z=0.0005;x=0.0001~0.1,間隔0.0001。 能否求得y=f(x)的函數圖像(離散點構成的連續(xù)圖像)? 或者求某一簡化式: 1121.46*y-log10(y)==2*log10(x)-4.87*x+7.12 x=0.0001~0.1,間隔0.0001。 能否求得y=f(x)的函數圖像(離散點構成的連續(xù)圖像)? |

金蟲 (小有名氣)
|
計算結果: 取z=0.0005; x=0.023~0.1,間隔0.001 ans = 0.023000000000000 0.024000000000000 0.025000000000000 0.026000000000000 0.027000000000000 0.028000000000000 0.029000000000000 0.030000000000000 0.031000000000000 0.032000000000000 0.033000000000000 0.034000000000000 0.035000000000000 0.036000000000000 0.037000000000000 0.038000000000000 0.039000000000000 0.040000000000000 0.041000000000000 0.042000000000000 0.043000000000000 0.044000000000000 0.045000000000000 0.046000000000000 0.047000000000000 0.048000000000000 0.049000000000000 0.050000000000000 0.051000000000000 0.052000000000000 0.053000000000000 0.054000000000000 0.055000000000000 0.056000000000000 0.057000000000000 0.058000000000000 0.059000000000000 0.060000000000000 0.061000000000000 0.062000000000000 0.063000000000000 0.064000000000000 0.065000000000000 0.066000000000000 0.067000000000000 0.068000000000000 0.069000000000000 0.070000000000000 0.071000000000000 0.072000000000000 0.073000000000000 0.074000000000000 0.075000000000000 0.076000000000000 0.077000000000000 0.078000000000000 0.079000000000000 0.080000000000000 0.081000000000000 0.082000000000000 0.083000000000000 0.084000000000000 0.085000000000000 0.086000000000000 0.087000000000000 0.088000000000000 0.089000000000000 0.090000000000000 0.091000000000000 0.092000000000000 0.093000000000000 0.094000000000000 0.095000000000000 0.096000000000000 0.097000000000000 0.098000000000000 0.099000000000000 0.100000000000000 y1 ans = 0.000428713851598 0.000561483313132 0.000635316300784 0.000693880390090 0.000743917594016 0.000788175699720 0.000828114817960 0.000864642047227 0.000898358261380 0.000929707768431 0.000959012434067 0.000986534812439 0.001012475338084 0.001036998471334 0.001060249685154 0.001082342494041 0.001103377284352 0.001123440755461 0.001142608481171 0.001160944993554 0.001178513229174 0.001195363130017 0.001211541580204 0.001227090768876 0.001242048831050 0.001256450378584 0.001270326943022 0.001283705694556 0.001296616655270 0.001309082144537 0.001321124584646 0.001332764703447 0.001344021705652 0.001354913423541 0.001365456448855 0.001375666248702 0.001385557267809 0.001395143019071 0.001404436164010 0.001413448584492 0.001422191446857 0.001430675259431 0.001438908900273 0.001446903896482 0.001454667894689 0.001462209241307 0.001469535839066 0.001476655177077 0.001483574359598 0.001490300132283 0.001496838906212 0.001503196779893 0.001509379559467 0.001515392777280 0.001521241708985 0.001526931389307 0.001532466626605 0.001537852016337 0.001543091953525 0.001548190644314 0.001553152116697 0.001557980230483 0.001562678686579 0.001567251035620 0.001571700686027 0.001576030911528 0.001580244858174 0.001584345074773 0.001588335481300 0.001592218339348 0.001595996345324 0.001599672098139 0.001603248102683 0.001606726774305 0.001610110443028 0.001613401357525 0.001616601688860 0.001619713534014 y2 ans = 0.000356798012292 0.000258328492046 0.000216937605151 0.000189116694478 0.000168260158354 0.000151753963660 0.000138242389759 0.000126921608182 0.000117267796761 0.000108928971209 0.000101641980579 0.000095219242823 0.000089514700052 0.000084416095787 0.000079829478326 0.000075684259423 0.000071920936796 0.000068490377218 0.000065351603488 0.000062471498231 0.000059817801253 0.000057367261207 0.000055098394745 0.000052992624117 0.000051033802337 0.000049207825856 0.000047502319898 0.000045906380814 0.000044410363589 0.000043005705443 0.000041684778474 0.000040440765868 0.000039268523069 0.000038160509082 0.000037112865519 0.000036121126209 0.000035181237293 0.000034289518874 0.000033442623334 0.000032637499045 0.000031871358715 0.000031141651704 0.000030446039735 0.000029782375522 0.000029148683923 0.000028543145264 0.000027964080554 0.000027409938352 0.000026879283061 0.000026370784482 0.000025883208474 0.000025415408575 0.000024966318485 0.000024534945297 0.000024120363400 0.000023721708977 0.000023338175019 0.000022969006824 0.000022613497900 0.000022270986252 0.000021940850997 0.000021622509287 0.000021315413495 0.000021019048651 0.000020732930087 0.000020456601289 0.000020189631928 0.000019931616040 0.000019682170372 0.000019440932840 0.000019207561127 0.000018981731377 0.000018763601871 0.000018551949697 0.000018346946880 0.000018148353081 0.000017955921311 0.000017769416150 |
木蟲 (正式寫手)

金蟲 (小有名氣)
木蟲 (正式寫手)

| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[基金申請] 面上項目還需要AI說明嗎? +3 | liyundong 2026-03-08 | 3/150 |
|
|---|---|---|---|---|
|
[考博] 找博導 +3 | 小呆呆熊 2026-03-07 | 3/150 |
|
|
[考研] 070300化學求調劑 +5 | 撲風鈴的貓 2026-03-08 | 10/500 |
|
|
[考博] 申博 +5 | 添菜了哈 2026-03-04 | 8/400 |
|
|
[考研] 一志愿中科大材料與化工。353分能調劑到哪? +3 | MayUxw1 2026-03-08 | 3/150 |
|
|
[考研] 290 材料與化工求調劑 +7 | Nebulala 2026-03-08 | 7/350 |
|
|
[考研] 297求調劑 +3 | 胡達靈 2026-03-05 | 5/250 |
|
|
[考研] 求調劑,一志愿江南大學,食品科學與工程,總分,320 +3 | yyyyyukino 2026-03-07 | 3/150 |
|
|
[考研] 301求調劑 +11 | 朝天椒的雙馬尾 2026-03-05 | 11/550 |
|
|
[考研] 安徽農業(yè)大學材料與化學學院0856材料招收調劑 +3 | akakk47 2026-03-05 | 9/450 |
|
|
[考研] 調劑 +3 | 13853210211 2026-03-08 | 3/150 |
|
|
[考研] 081700學碩一志愿北京化工大學數二英一過六級有競賽求調劑 +5 | galaxary 2026-03-07 | 7/350 |
|
|
[考研] 一志愿中國石油大學(華東) 本科齊魯工業(yè)大學 求調劑 +3 | snw石 2026-03-07 | 3/150 |
|
|
[考研]
|
程晴之 2026-03-06 | 6/300 |
|
|
[考研] 材料與化工304求B區(qū)調劑 +4 | 邱gl 2026-03-06 | 4/200 |
|
|
[考研] 材料調劑 +5 | ws 上岸鴨 2026-03-05 | 5/250 |
|
|
[考研] 301求調劑 +4 | 李LJR 2026-03-04 | 4/200 |
|
|
[考研] 0856材料專碩274能調劑去哪里? +3 | 22735 2026-03-04 | 4/200 |
|
|
[考研] 322,求調劑 +3 | 菜菜愛玩 2026-03-04 | 3/150 |
|
|
[考研] 306求調劑 +7 | 張張張張oo 2026-03-03 | 7/350 |
|