MATLAB: I have problems with the financial toolbox, It does not recognize the function displayportfolio

financial

displayPortfolio(sprintf('Portfolio with %g%% Target Return', 100*TargetReturn), aBlotter, false);

Undefined function or variable 'displayportfolio'.

Best Answer

If you're referring to this example, the utility function displayPortfolio is defined at the end of the live script. Because it is defined inside the live script, it is only available to the code inside the live script.

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MATLAB: How to calculate the area which located between curve and x-axis

Try this:

X = [1427.18976 1427.21024 1427.23072 1427.2512 1427.27168 1427.29216 1427.31264 1427.33312 1427.3536 1427.37408 1427.39456 1427.41504 1427.43552 1427.456];
Y = [2098.083 2231.598 1888.275 1945.497 3280.65 6656.64 7667.55 7286.07 7514.94 7324.23 7095.33 6980.91 7534.02 7400.52];
Z = trapz(X, Y)

MATLAB: Neural network toolbox, prediction problem

It looks like you are trying to predict a timeseries of 256 dimensional vectors beyond the known 300 examples.

1. Ordinarily, NARNET would be used. 2. However, it is only practical for timeseries vectors of small dimension (e.g., < 10). See, for example, the practice datasets obtained from

 help nndatasets
 doc  nndatasets

3. So, I suggest you use the specifics of the problem origin to drastically reduce the dimensionality of the vectors.

4. Next would be to determine the significant autocorrelation and crosscorrelation lags among the remaining dimensions.

5. You probably should discuss the essence of the problem you are trying to solve with an expert in the field. It doesn't seem to me to be an appropriate way to solve any practical problem that I can think of.

Hope this helps.

Greg

Best Answer

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MATLAB: How to calculate the area which located between curve and x-axis

MATLAB: Neural network toolbox, prediction problem

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