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[ge_arrow] Correct summation axis #480

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Merged
mmcky merged 1 commit into from
Jul 21, 2025
Merged

[ge_arrow] Correct summation axis #480

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4 changes: 2 additions & 2 deletions lectures/ge_arrow.md
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Original file line number Diff line number Diff line change
Expand Up @@ -964,15 +964,15 @@ class RecurCompetitive:
def price_risk_free_bond(self):
"Give Q, compute price of one-period risk free bond"

PRF = np.sum(self.Q, 0)
PRF = np.sum(self.Q, axis=1)
self.PRF = PRF

return PRF

def risk_free_rate(self):
"Given Q, compute one-period gross risk-free interest rate R"

R = np.sum(self.Q, 0)
R = np.sum(self.Q, axis=1)
R = np.reciprocal(R)
self.R = R

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