投資收益與風(fēng)險(xiǎn)的模型-資料下載頁(yè)
2025-06-28 19:03本頁(yè)面
【正文】 8附錄模型一：Matlabclc,cleara=0。whileac=[。]。A=diag([0,])。b=a*ones(5,1)。Aeq=[1,]。beq=1。lb=zeros(5,1)。[x,Q]=linprog(c,A,b,Aeq,beq,lb)。ax=x39。Q=Qplot(a,Q,39。*r39。)。holdona=a+。endxlabel(39。a39。),ylabel(39。Q39。)9模型二：Matlabk=whilekc=[0,0,0,0,0,1]。a=[0,0,0,0,1。0,0,0,0,1。0,0,0,0,1。0,0,0,0,1。,,0。]。b=[0。0。0。0。k]。aeq=[1,,0]。beq=[1]。lb=zeros(6,1)。[x,Q]=linprog(c,a,b,aeq,beq,lb)。kx=x39。Qplot(k,Q,39。.r39。)。k=k+。holdongridonendxlabel(39。k39。),ylabel(39。Q39。)10模型三：Matlabs=0。whiles1c=[*(1s),*(1s),*(1s),*(1s),*(1s),s]。a=[0,0,0,0,1。0,0,0,0,1。0,0,0,0,1。0,0,0,0,1]。b=[0。0。0。0]。aeq=[1,,0]。beq=[1]。lb=zeros(6,1)。ub=[]。[x,Q]=linprog(c,a,b,aeq,beq,lb,ub)。11sx=x39。Q=Qplot(s,Q,39。*r39。)。5holdons=s+。gridonendxlabel(39。s39。),ylabel(39。Q39。)1
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