请大家帮我看看这个公式(求二重积分)对不对,我试了好多次都没整明白,Ris和Rif都是289x1的收益率序列,按照下面的编写能得到F(289x1)的矩阵吗?请大侠指点,谢谢! for j=1:289
F(j) = quad2d(@(Ris(j),Rif(j)) copulapdf('Clayton',[u(:) v(:)],theta).*tpdf(Ris(j),omegais).*tpdf(Rif(j),omegaif),-3,3,-4,@(Ris(j)) (Ris(j)-Rp(j))/h);
end
其中:u=tpdf(Ris(j),omegais); v=tpdf(Rif(j),omegaif);积分区间是[-3,3][-4,(Ris-Rp)/h];
Matlab总是报错说: ??? Error: File: rpquad2d.m Line: 22 Column: 22
Unbalanced or unexpected parenthesis or bracket.