Matlab中出现Error using ==> .*程序下:n=2;X=[1,2,3,4,5];Y=[4,4,5,6,8,8.5];W=[2,1,3,1,1];N=length(X);A=(X'*ones(1,n)).^(ones(N,1)*(0:1:n-1));b=Y;AA=A'*(A.*(W'*(ones(1,n))))Ab=A'*(b'.*W')C=AA^(-1)*Abt=X(1)-0.1*(X(N)-X(1)):0.1:X(N)+0.1*(X(N)-X(1)
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