关于matlab的for循环嵌套问题程序如下for k=0:M+1 ak=1; for i=0:M+1 if i~=k ak=ak*1/(cos(w(i+1))-cos(w(k+1))) end end为什么循环时ak的分母总为0,即i和k的值总相等?
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![关于matlab的for循环嵌套问题程序如下for k=0:M+1 ak=1; for i=0:M+1 if i~=k ak=ak*1/(cos(w(i+1))-cos(w(k+1))) end end为什么循环时ak的分母总为0,即i和k的值总相等?](/uploads/image/z/2092244-68-4.jpg?t=%E5%85%B3%E4%BA%8Ematlab%E7%9A%84for%E5%BE%AA%E7%8E%AF%E5%B5%8C%E5%A5%97%E9%97%AE%E9%A2%98%E7%A8%8B%E5%BA%8F%E5%A6%82%E4%B8%8Bfor+k%3D0%3AM%2B1+++++ak%3D1%3B+for+i%3D0%3AM%2B1++++++++++++if+i%7E%3Dk++++++++++++++++ak%3Dak%2A1%2F%28cos%28w%28i%2B1%29%29-cos%28w%28k%2B1%29%29%29++++++++++++end++++end%E4%B8%BA%E4%BB%80%E4%B9%88%E5%BE%AA%E7%8E%AF%E6%97%B6ak%E7%9A%84%E5%88%86%E6%AF%8D%E6%80%BB%E4%B8%BA0%2C%E5%8D%B3i%E5%92%8Ck%E7%9A%84%E5%80%BC%E6%80%BB%E7%9B%B8%E7%AD%89%3F)
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