Why Does eig() Not Throw an Error for Non-Square, Symbolic Input?

Example:

M = [sym(zeros(2));sym('m',[2 2])];
M(1,1) = 1

M = 

eig(M)

ans = 

But filling in the top partition of M does yield the expected result:

M(1:2,1:2) = sym('n',[2 2])

M = 

eig(M)

Error using sym/eig (line 51)
Matrix must be square.

Bug?

[Christine Tobler]

That does seem wrong, I'll pass it along to the right team.

Answer 1

[Arthi Sathyamurthi]

This bug has been fixed and the updates will be available in the future release.

[Paul]

Link to bug report?

[Paul]

Fixed in 2022a

M = [sym(zeros(2));sym('m',[2 2])];
M(1,1) = 1

M = 

eig(M)

Error using sym/eig
Matrix must be square.