// Test matrices.

---
// Test semicolon syntax.
#set align(center)
$mat() dot
 mat(;) dot
 mat(1, 2) dot
 mat(1, 2;) \
 mat(1; 2) dot
 mat(1, 2; 3, 4) dot
 mat(1 + &2, 1/2; &3, 4)$

---
// Test sparse matrix.
$ mat(
  1, 2, ..., 10;
  2, 2, ..., 10;
  dots.v, dots.v, dots.down, dots.v;
  10, 10, ..., 10;
) $

---
// Test baseline alignment.
$ mat(
    a, b^2;
    sum_(x \ y) x, a^(1/2);
    zeta, alpha;
  ) $

---
// Test alternative delimiter.
#set math.mat(delim: "[")
$ mat(1, 2; 3, 4) $