docs: update math API docs

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2026-03-20 02:35:15 +08:00
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# Matrix4::Determinant
# Matrix4x4::Determinant
```cpp
float Determinant() const
```
计算矩阵的行列式。
计算矩阵的行列式。行列式为零的矩阵不可逆。
**返回** `float` - 行列式值
**参数** (无)
**复杂度** O(1)
**返回** 矩阵的行列式值
**线程安全:**
**复杂度:** O(n³) - O(64)
**示例:**
```cpp
Matrix4 m = ...;
#include "XCEngine/Math/Matrix4.h"
using namespace XCEngine::Math;
Matrix4 m = Matrix4::Identity();
float det = m.Determinant();
// det = 1.0f
Matrix4 singular;
float det2 = singular.Determinant();
// det2 = 0.0f
```
## 相关文档
- [Matrix4](matrix4.md) - 返回类总览
- [Inverse](inverse.md) - 矩阵求逆