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Siddharth Sundar


MathWorks

21 2014 年以降の合計貢献数

Professional Interests: Statistics, Machine Learning, Data Analysis

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Energy Trading & Risk Management with MATLAB Webinar Case Study
MATLAB code for the generation asset risk analysis case study

3年以上 前 | ダウンロード 17 件 |

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How to show Sample Size at Each Split in Tree using fitctree?
If I understand correctly, you want to be able to extract the subset of observations used at each split in a node. The CutPr...

約5年 前 | 0

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How to have Tree able to do Multiple Splits at each Node rather than just 2 using fitctree?
As mentioned in <http://www.mathworks.com/help/stats/classification-trees-and-regression-trees.html this doc page>, Statistics T...

約5年 前 | 0

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What is the difference between quadratic and mahalanobis distance with stratified covaraiance estimates when using classify
The first place I would look at when trying to get some details about the Math behind the implementation would be the references...

約5年 前 | 0

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maximization problem with random variables.
From what I understand, you want to maximize an expected value functional. Since there are random numbers involved, the optimiza...

約5年 前 | 0

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How to find first crossing of a threshold, then ignore n datapoints after?
If I understand correctly, you just want to be able to find the indices where your values in a vector cross a certain threshold ...

約5年 前 | 2

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How can I turn new dummy variables into the same dummy variables I used to create a model?
There is no direct way to tell *dummyvar* to use a previously created *dummyvar* predictor matrix as a reference. So, in this ca...

約5年 前 | 0

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How to put big text into an array
Though I do not quite understand what you mean by 'sort it with a loop', a good place to start with would be the <http://www.mat...

約5年 前 | 0

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Invalid Matrix Dimensions Error with frprintf
Nothing in the above code seems to point towards any error. You might have a variable called *fprintf* defined in your workspace...

約5年 前 | 0

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HELP.....running on different monitors has messed up GUI
Setting the Resize behavior property to "Proportional" causes all the units of the objects to be set to 'normalized'. This will ...

約5年 前 | 0

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Error when using kmedoids with custom distance function
Within the *kmedoids* function, there is a check on the distance metric to see if it is a string or a function handle. In your c...

約5年 前 | 0

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How do I suppress the splash screen for compiled applications in 2014b?
This is not possible directly. As a workaround, do NOT distribute the splash screen image file from the *for_redistribution_fil...

約5年 前 | 0

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physical vs. logical core allocation for Matlab in slurm
For optimal performance, I would say that you should have one worker per physical core. Even though you have hyperthreading enab...

約5年 前 | 1

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Solved the graph. Drawed the function. How to plot the x solution marked with a ring...
I would suggest that you rework your code in the function *my_newton* to handle multiple x0 values in one call by passing a vect...

約5年 前 | 0

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MATLAB crashes when I try to plot.
I would suggest that you use the *-softwareopengl* startup option and see if that resolves the issue. This startup option forces...

約5年 前 | 2

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Calculate VaR for equity portfolio
You could first create a *PortfolioCVaR* object. The PortfolioCVaR object has a method to compute the value-at-risk of portfolio...

約5年 前 | 0

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Error when running patternnet example code from Help documentation
From the error, it looks like you could have another function *softmax* that shadows the one shipped with the product. So you mi...

約5年 前 | 4

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Finding cluster centre in hierarchial clustering
Hierarchical Clustering does not use a cluster center based clustering. This doc page talks about what goes on under the hood wh...

約5年 前 | 0

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Compiling MATLAB applications with LARGEADDRESSAWARE
If you are running it on a 32 bit OS, then your applications are limited to using 2GB and the rest of it used by the OS in itsel...

約5年 前 | 0

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Step size adjustment of ODE15s
I understand that you want to some information about how *ode15s* adjusts the time step size. In general, in the absence of s...

約5年 前 | 0

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Why do mattest and ttest2 produce two different p-values?
I understand that you want to know why the functions *mattest* and *ttest2* behave differently for the same input. Both func...

約5年 前 | 0