4863数理金融中等数值题short
Infer Missing Lower Node From Delta 18
题目
At a stock grid with Delta_S=1, the central-difference delta is Delta ≈ (V_{i+1}-V_{i-1})/(2*Delta_S). If V_{i+1}=9.4 and the target delta is 0.7, what V_{i-1} is implied?
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