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🌐 [translation-sync] [samuelson.md] Update np.random → Generator API #221

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Merged
mmcky merged 2 commits into from
Aug 18, 2026
Merged

🌐 [translation-sync] [samuelson.md] Update np.random → Generator API #221

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7afaa73
Update translation: lectures/samuelson.md
mmcky Jul 31, 2026
95d2983
Update translation: .translate/state/samuelson.md.yml
mmcky Jul 31, 2026
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8 changes: 4 additions & 4 deletions .translate/state/samuelson.md.yml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
source-sha: 089e35ca27a9cdff6d341269f77d857f1c46dfd3
synced-at: "2026-07-18"
source-sha: e49ee52fb9a5209e678973ed8226c7ea0b4fc88e
synced-at: "2026-07-31"
model: claude-sonnet-5
mode: RESYNC
mode: UPDATE
section-count: 9
tool-version: 0.17.0
tool-version: 0.24.0
15 changes: 9 additions & 6 deletions lectures/samuelson.md
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Expand Up @@ -3,8 +3,10 @@ jupytext:
text_representation:
extension: .md
format_name: myst
format_version: 0.13
jupytext_version: 1.16.7
kernelspec:
display_name: Python 3
display_name: Python 3 (ipykernel)
language: python
name: python3
translation:
Expand Down Expand Up @@ -579,8 +581,8 @@ def simulate_samuelson(

# 如果是随机情形，生成冲击
if σ > 0:
np.random.seed(seed)
ϵ = np.random.normal(0, 1, n)
rng = np.random.default_rng(seed)
ϵ = rng.normal(0, 1, n)

# 向前模拟
for t in range(2, n):
Expand Down Expand Up @@ -1139,7 +1141,8 @@ C[1] = σ # 随机项

sam_t = LinearStateSpace(A, C, G, mu_0=μ_0)

x, y = sam_t.simulate(ts_length=n)
rng = np.random.default_rng()
x, y = sam_t.simulate(ts_length=n, random_state=rng)

fig, axes = plt.subplots(3, 1, sharex=True, figsize=(12, 8))
titles = ["产出 ($Y_t$)", "消费 ($C_t$)", "投资 ($I_t$)"]
Expand Down Expand Up @@ -1249,8 +1252,8 @@ class SamuelsonLSS(LinearStateSpace):
except ValueError:
print("平稳分布不存在")

np.random.seed(seed)
x, y = self.simulate(ts_length)
rng = np.random.default_rng(seed)
x, y = self.simulate(ts_length, random_state=rng)

fig, axes = plt.subplots(3, 1, sharex=True, figsize=(12, 8))
titles = ["产出 ($Y_t$)",
Expand Down
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