Polynomial convolution
= Polynomial convolution
The convolution of coefficient sequences $a_i,b_i$ has coefficients $c_n=\sum_{i+j=n}a_i b_j$. These are exactly the coefficients of the product of the corresponding <polynomials>.
= Polynomial convolution
The convolution of coefficient sequences $a_i,b_i$ has coefficients $c_n=\sum_{i+j=n}a_i b_j$. These are exactly the coefficients of the product of the corresponding <polynomials>.