关于卷积积分的结合律成立的条件结合律:[f1(t)*f2(t)]*f3(t)=f1(t)*[f2(t)*f3(t)].书中说成立条件是:三个函数两两卷积都存在.不知道如何证明,我想这应该是数学分析上关于‘无穷限二重积分可交
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![关于卷积积分的结合律成立的条件结合律:[f1(t)*f2(t)]*f3(t)=f1(t)*[f2(t)*f3(t)].书中说成立条件是:三个函数两两卷积都存在.不知道如何证明,我想这应该是数学分析上关于‘无穷限二重积分可交](/uploads/image/z/14294021-5-1.jpg?t=%E5%85%B3%E4%BA%8E%E5%8D%B7%E7%A7%AF%E7%A7%AF%E5%88%86%E7%9A%84%E7%BB%93%E5%90%88%E5%BE%8B%E6%88%90%E7%AB%8B%E7%9A%84%E6%9D%A1%E4%BB%B6%E7%BB%93%E5%90%88%E5%BE%8B%EF%BC%9A%5Bf1%28t%29%2Af2%28t%29%5D%2Af3%28t%29%3Df1%28t%29%2A%5Bf2%28t%29%2Af3%28t%29%5D.%E4%B9%A6%E4%B8%AD%E8%AF%B4%E6%88%90%E7%AB%8B%E6%9D%A1%E4%BB%B6%E6%98%AF%EF%BC%9A%E4%B8%89%E4%B8%AA%E5%87%BD%E6%95%B0%E4%B8%A4%E4%B8%A4%E5%8D%B7%E7%A7%AF%E9%83%BD%E5%AD%98%E5%9C%A8.%E4%B8%8D%E7%9F%A5%E9%81%93%E5%A6%82%E4%BD%95%E8%AF%81%E6%98%8E%2C%E6%88%91%E6%83%B3%E8%BF%99%E5%BA%94%E8%AF%A5%E6%98%AF%E6%95%B0%E5%AD%A6%E5%88%86%E6%9E%90%E4%B8%8A%E5%85%B3%E4%BA%8E%E2%80%98%E6%97%A0%E7%A9%B7%E9%99%90%E4%BA%8C%E9%87%8D%E7%A7%AF%E5%88%86%E5%8F%AF%E4%BA%A4)
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