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计算模拟 求助用1stopt代跑数据
Parameter0.002<a2<0.0045;...Functione=a1+(0.0045-a2)/(1/a3+i*2*pi*x*a4)+1/(i*2*pi*x*a5+1/(a6+a7+i*2*pi*x*a8+a9*sqrt((a10+1/(i*2*pi*x*a11+1/a12))/(2*a9))*(asinh(a2/sqrt((a10+1/(i*2...
 clhclh 2019-01-09 04:57
计算模拟 1stOpt拟合（含复数变量）求高版本代跑
定义常量Parameter0,0<=f2,0<=f3,g1,g2,g3,hk,0,0;...0.627820.380581118.01-0.604740.40251122.02-0.580920.422071126.03-0.556540.439271130.04-0.531870.454111134.05-0.507220.466711138....
 zhaoxin90 2018-08-07 09:14
金属 ni3al结构优化
0.5000cut-offenergyformixing:410.0eVchargedensitymixingg-...0.1000E-04eV/atommaxionic|force|tolerance:0.3000E-01eV/Amaxionic|displacement|tolerance:0.1000E-02Amax|stresscomponent|...
 zhaoguoqi 2017-09-20 01:21
计算模拟 Parameter a11=0.01[0,10000];
Parametera11=0.01;Parameterb1=0.01;Parametera22=0.01;Variablet,x,y;ODEFunctionx'=a11*x+a12*y-b1*x*x);y'=a21*x+a22*y-b2*y*y);Data;...
 东景辉 2017-05-12 11:01
数学 1stopt拟合微分方程组参数
a11=0.01;Parameter?a13=0.01;Parameter?a21=0.01;Parameter?a23=0.01;Parameter?a31=0.01;Parameter?a33=0.01;Variablet,x,y;ODEFunctionx'=a11*x+a12*y+a13*z-b1*x*x;y'=a21*x+a22*y+a23*...
 东景辉 2017-05-11 02:21
程序语言 1stOpt 拟合的曲线为什么和MATLAB里面绘出来的不一样？
Parametera=,c=;Constantepsilon=0.3921,h0=6.3,R=125,Sf=0.04558,VR=1308.33;ConstStrh1=h0*(1-epsilon),Delta_h=h0*epsilon,L=sqrt(R*Delta...x=0:0.01:L;...
 独孤神宇 2015-08-26 08:50
第一性原理 vaspINCAR中的默认设置有哪些
TEEND=0.0temperatureduringrunSMASS=-3.00Nosemass-parameter(am)estimatedNose-frequenzy(Omega)=0.10E-29periodinsteps=*mass=-0.337E-27a.u.NPACO=...06absolutbreakconditionDEPER=0.30...
 刘小伟110 2014-03-08 02:48
第一性原理 [求助成功]VASP 计算 graphene 的错误
TEEND=0.0temperatureduringrunSMASS=-3.00Nosemass-parameter(am)estimatedNose-frequenzy(Omega)=0.10E-29periodinsteps=*mass=-0.166E-26a.u.NPACO=256;...cputime0.00:realtime0.01-...
 qphll 2012-05-24 11:17
计算模拟 求教一个FORTRAN一维稳态流体模拟的程序错误
'Inputtotalexchangetime(sec)'READ(4,*)TIMEL=L*0.01!...IF(BET.EQ.0.)PAUSEU(J)=(Q(J)-A(J)*U(J-1))/BET11CONTINUEDO12J=N-1,1,-1U(J)=U(J)-GAM(J+1)*U(J+1)12CONTINUERETURNEND具体的问题...
 zeng0927 2012-05-11 09:22
有奖问答完结子版 【重金悬赏】求翻译英文文献一篇！
mol/L)andvariablecomposition(0.1,0.3,0.5,0.7,and1MNaCl;0.1,0.3,0.5,0.7,and1MCa(NO3)2;0.05,0.1,0.5,and1mMFeCl3;5,10,50,100,and150ppmSiO2;5,10,50,100,and150ppm...
 zhenwei 2011-11-04 09:59