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cqustone木蟲 (正式寫手)
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[交流]
【求助】請教關(guān)于Scilab解非線性方程組的問題,謝謝!
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我用Scilab編了一個小小的程序,用來求解一個數(shù)值非線性方程組,8個未知數(shù)值,分別給定初值,8個方程,然后用fsolve求解。部分程序如下: function [y]=FNon(x) x1=x(1); x2=x(2); x3=x(3); x4=x(4); x5=x(5); x6=x(6); x7=x(7); x8=x(8); y(1)=(x1-x4)-Y_0-x2-f*abs(x6); y(2)=R_sat*(1.0-exp(-C_R*dl))-x2; y(3)=(sqrt(6)/2*P_11_n+C_P)/(1.0+C_P*dl)-sqrt(6)/2*x3; y(4)=x4-X_11_n-C_X*(x5*sqrt(6)/3-x4)*dl; y(5)=x5-X_0-(1.0-f)*sqrt(x6); Y(6)=x6-S_D_n-C_SD*(x7*(S_sat-x6)-x8*x6)*dl; y(7)=x7-(1.0-C_P/(C_SD+C_P)*abs(x6/S_sat-sqrt(6)/2*x3)); y(8)=x8-1/2*(1-((sqrt(6)/2*x4)/(x5*sqrt(6)/2*(x1-x4)))*(x1-x4)); endfunction [x]=fsolve([sigma_11_n,R_n,P_11_n,X_11_n,X_sat_n,S_D_n,g_n,h_n],FNon); 運(yùn)行時Console報錯: ,X_sat_n,S_D_n,g_n,h_n],FNon) !--error 98 Variable returned by scilab argument function is incorrect. at line 77 of exec file called by : ileToExec); disp(msprintf(gettext("Executio while executing a callback 我找過了一些資料,但是還沒沒有解決問題,請高手幫忙,謝謝! |

木蟲 (正式寫手)

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