UnilateralDiscreteConvolve

UnilateralDiscreteConvolve[f,g,k,n] gives the unilateral discrete convolution with respect to k of the expressions f and g.

UnilateralDiscreteConvolve[f,g,{k1,…,kp},{n1,…,np}] gives the multidimensional unilateral discrete convolution.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.