Can't specify input dimensions with arithmetic

[yig]

I want to create a block matrix and pass an input to add to it. How can I get around the dimension mismatch compiler error?

given
w ∈ ℝ^(p×k)

x = [ w
      0_1,k ]

x + y

where
y ∈ ℝ^((p+1)×k)

Try it

[pressureless]

Arithmetic dimensions haven't been supported. I got the parsing error