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Kaijie Cui


Active since 2013

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derivative of a function of two variables
To get a numerical difference (symmetric difference), you calculate (f(x+dx)-f(x-dx))/(2*dx) or "gradient", "polyder" (calcul...

9 years ago | 0

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sharpe ratio in Financial time series toolbox
Dear all, I used the "sharpe" function to calculate the sharpe ratio of my monthly return data. But the result is different f...

9 years ago | 1 answer | 0

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