Feeds
提问
Error with " Request Interactive Brokers Historical Data" example
I am receiving an error when I follow the help example <https://www.mathworks.com/help/trading/interactive-brokers-historical-d...
7 years 前 | 3 个回答 | 0
3
个回答已解决
Eye Squared
For a positive integer |n| create the identity matrix with |n| elements. In case it is not possible to produce an identity ma...
8 years 前
已解决
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
8 years 前
提问
ARMA+GARCH inferred residuals and volatility inconsistency.
I am puzzled why I am getting two different values from the same data, but different lengths. The residuals of the model match u...
8 years 前 | 1 个回答 | 0
1
个回答提问
How come the first conditional variance of an Inferred GARCH(1,1) model is not the fitted constant for that model?
\sigma _t^2 = 0.0001 + 0.75\sigma _{t - 1}^2 + 0.1\varepsilon _{t - 1}^2 Base off of this formula from the Matlab Docume...
9 years 前 | 1 个回答 | 0
