edge to node transfer and vice versa

I have Edge Incidence matrix [ Inf Inf 1 2; 1 Inf Inf Inf ; Inf 0 Inf Inf ; Inf 0 Inf Inf]. I want this matrix is to transfer to Node matrix using the elements inside the matrix, this I can call as element to element matrix. Output must be [ Inf 1 1 Inf; 3 Inf Inf Inf ; Inf Inf Inf 0 ; 3 Inf Inf Inf] Please help me regarding this transformation. Look PDF attached.