Strings passed to EVAL cannot contain function declarations
我用matlab打function y=sf1(t,w)
y=(abs(t)<=1).*(1-abs(t)).*exp(-j*w*t);
w=linspace (-6*pi,6*pi,512);
N=length(w);
F=zeros(1,N);
for k=1:N
F(k)=quad('sf1',-1,1,[],[],w(k));
end
figure(1);
plot(w,real(F));
xlabel('\omega');
ylabel('F(j\omega)','rotation',0);
运行结果是显示Strings passed to EVAL cannot contain function declarations
求大神解答
题目是：2．试用数值方法近似计算三角波信号的频谱
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