Matlab把符号放进矩阵里要怎么做?xi是个符号,经过运算赋给N1,N2,N3,N4,但是为什么N1,N2,N3,N4不进Nesyms uvwthetan=1;Be=zeros(24,6*(3*n+1));for i=1:6Ne=zeros(1,24,i);endp=zeros(6*(3*n+1),1);xi=1;xi1=-1;xi2=-1/3;xi3=1/3;xi4=1;N1=
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![Matlab把符号放进矩阵里要怎么做?xi是个符号,经过运算赋给N1,N2,N3,N4,但是为什么N1,N2,N3,N4不进Nesyms uvwthetan=1;Be=zeros(24,6*(3*n+1));for i=1:6Ne=zeros(1,24,i);endp=zeros(6*(3*n+1),1);xi=1;xi1=-1;xi2=-1/3;xi3=1/3;xi4=1;N1=](/uploads/image/z/5166607-31-7.jpg?t=Matlab%E6%8A%8A%E7%AC%A6%E5%8F%B7%E6%94%BE%E8%BF%9B%E7%9F%A9%E9%98%B5%E9%87%8C%E8%A6%81%E6%80%8E%E4%B9%88%E5%81%9A%3Fxi%E6%98%AF%E4%B8%AA%E7%AC%A6%E5%8F%B7%2C%E7%BB%8F%E8%BF%87%E8%BF%90%E7%AE%97%E8%B5%8B%E7%BB%99N1%2CN2%2CN3%2CN4%2C%E4%BD%86%E6%98%AF%E4%B8%BA%E4%BB%80%E4%B9%88N1%2CN2%2CN3%2CN4%E4%B8%8D%E8%BF%9BNesyms+uvwthetan%3D1%3BBe%3Dzeros%2824%2C6%2A%283%2An%2B1%29%29%3Bfor+i%3D1%3A6Ne%3Dzeros%281%2C24%2Ci%29%3Bendp%3Dzeros%286%2A%283%2An%2B1%29%2C1%29%3Bxi%3D1%3Bxi1%3D-1%3Bxi2%3D-1%2F3%3Bxi3%3D1%2F3%3Bxi4%3D1%3BN1%3D)
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