I am reading this paper The iterative methods for computing the generalized inverse of the bounded linear operator between Banach spaces

Where I came across a matrix $A \in \mathbb{C}^{58\times 57}$ (Example 4.2) given as follows: $A =\left( \begin{array}{ccc} A_{11} & A_{12} & A_{13} \\ A_{21} & A_{22} & A_{23} \\ \end{array} \right) $ where $A_{ij}\in \mathbb{C}^{29\times 19} $. Author has given each $A_{ij}$ in this paper. I want to ask how to write this matrix on matlab? I am finding it difficult to type this matrix because of its large size and also I don't know how to type block matrices on matlab? Is there any alternate way to write this matrix on matlab? Could anybody help me with this? I would be very much thankful.


Not really sure whether this is what you are asking, but inputting a matrix in Matlab is quite straightforward:

A = [1+3i 2+4i 12-1i;
2 2i 2+2i]

Combining matrices is also quite simple:

B = [A A+1 2*A;
A-1 A-2 A+1i]
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