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🌐 [translation-sync] [kalman_2] Use a typed NamedTuple for WorkerModel #238

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🌐 [translation-sync] [kalman_2] Use a typed NamedTuple for WorkerModel #238

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1b930aa
Update translation: lectures/kalman_2.md
mmcky Aug 5, 2026
fb83785
Update translation: .translate/state/kalman_2.md.yml
mmcky Aug 5, 2026
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8 changes: 4 additions & 4 deletions .translate/state/kalman_2.md.yml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
source-sha: 7c6396a0a24cd9b944750681b42519179e6bab58
synced-at: "2026-07-18"
source-sha: 7c582bead416f6dbb1175449668a13ad8d5bd465
synced-at: "2026-08-05"
model: claude-sonnet-5
mode: RESYNC
mode: UPDATE
section-count: 6
tool-version: 0.17.0
tool-version: 0.25.0
20 changes: 13 additions & 7 deletions lectures/kalman_2.md
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Expand Up @@ -4,7 +4,7 @@ jupytext:
extension: .md
format_name: myst
format_version: 0.13
jupytext_version: 1.16.1
jupytext_version: 1.16.7
kernelspec:
display_name: Python 3 (ipykernel)
language: python
Expand Down Expand Up @@ -69,7 +69,7 @@ plt.rcParams['font.family'] = ['Source Han Serif SC']

import numpy as np
from quantecon import Kalman, LinearStateSpace
from collections import namedtuple
from typing import NamedTuple
from scipy.stats import multivariate_normal
```

Expand Down Expand Up @@ -167,11 +167,17 @@ x_t = \begin{bmatrix} h_{t} \cr u_{t} \end{bmatrix} , \quad
0 & \sigma_{u,0}^2 \end{bmatrix}
```

为了计算公司的工资设定政策，我们首先创建一个 `namedtuple` 来存储模型的参数：
为了计算公司的工资设定政策，我们首先创建一个 `NamedTuple` 来存储模型的参数：

```{code-cell} ipython3
WorkerModel = namedtuple("WorkerModel",
('A', 'C', 'G', 'R', 'xhat_0', 'Σ_0'))
class WorkerModel(NamedTuple):
A: np.ndarray
C: np.ndarray
G: np.ndarray
R: float
xhat_0: np.ndarray
Σ_0: np.ndarray


def create_worker(α=.8, β=.2, c=.2,
R=.5, g=1.0, hhat_0=4, uhat_0=4,
Expand All @@ -194,7 +200,7 @@ def create_worker(α=.8, β=.2, c=.2,
return WorkerModel(A=A, C=C, G=G, R=R, xhat_0=xhat_0, Σ_0=Σ_0)
```

请注意 `WorkerModel` namedtuple 是如何创建计算相应状态空间表示 {eq}`ssrepresent` 所需的所有对象的。
请注意 `WorkerModel` NamedTuple 是如何创建计算相应状态空间表示 {eq}`ssrepresent` 所需的所有对象的。

这十分方便，因为为了模拟劳动者的历史 $\{y_t, h_t\}$，我们需要使用 [`LinearStateSpace`](https://quanteconpy.readthedocs.io/en/latest/tools/lss.html) 类为其构建状态空间系统。

Expand Down Expand Up @@ -465,7 +471,7 @@ fig.tight_layout()
plt.show()
```

更一般地，我们可以在 `create_worker` namedtuple 中更改定义劳动者的部分或全部参数。
更一般地，我们可以在 `create_worker` 工厂函数中更改定义劳动者的部分或全部参数。

这是一个例子：

Expand Down
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