1 , x < = a
g(x) = h(x) = {
0 , else
y(x) = g(x) * h(x) , g(x)h(x)作convolution
2a-x , 0<= x <= 2a
= { 2a+x , -2a<= x <= 0
0 , else
請問最後求出 2a-x , 2a+x的積分式要怎麼列呢?
圖形我會畫.但就是求不出這兩式.
感謝解答.
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