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Maaz Ahmad


Last seen: 2 years ago |  Active since 2019

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Question


fmincon optimizes a non-differentiable function, How?
I am using sqp solver of fmincon to solve a bound-constrained optimization problem. I found that my objective function is contin...

2 years ago | 2 answers | 1

2

answers

Question


What does scramble do in haltonset?
I am trying to sample different set of points of the same size by haltonset using scramble, hoping that scrambling the sequence ...

2 years ago | 1 answer | 0

1

answer

Question


MATLAB executable file for predictive modeling
I have created a ML model using separate external functions for training and prediction. I want to provide the trained models fo...

3 years ago | 1 answer | 0

1

answer

Question


How to obtain predictor scores from standardized inputs after partial least squares?
The function plsregress() returns the PLS components (XS) after linear transformation of inputs. However, after performing PLS o...

3 years ago | 1 answer | 0

1

answer

Question


Why does N-D convexhulln give a matrix as an output instead of vector containing indices of inputs?
This query is an observation-cum-question for the difference between convexhull() and convexhulln() for 2-D data. I need to cre...

3 years ago | 1 answer | 0

1

answer

Question


Number of leaf nodes used by regression tree
Is there any way to know the exact number of leaf nodes in a trained regression tree (fitrtree) or each tree of a regression tre...

3 years ago | 1 answer | 0

1

answer

Question


Sampling data using contraints
Hi, I want to sample points uniformly in a multidimensional design space, such that the sampled points follow an equality const...

4 years ago | 1 answer | 0

1

answer

Question


Creating exhaustive spatial region in design space
I am working with high-dimensional input data of the order of 20, and having nearly 4000 sample points. The response dimension i...

4 years ago | 0 answers | 0

0

answers

Question


Multivariable Power law model
I want to regress multidimensional data (x1,x2....xn) using a power series model like: where i ranges from 1 to n, n being nu...

4 years ago | 0 answers | 0

0

answers

Question


Modeling data set with different dimensions
I am trying to model a dataset with different input dimensions of data instances (varying from 11 to 50) and fixed multi dimensi...

4 years ago | 0 answers | 0

0

answers

Question


How to save any trained machine learning model to use it for prediction later?
Hi, I am using number of machine learning models which include inbuilt models in MATLAB like fitrsvm, fitrgp, fitrensemble etc. ...

4 years ago | 1 answer | 0

1

answer

Question


Gaussian Process Regression (fitrgp) regresses rather than interpolates?
I am using fitrgp function to model some noisy data using gaussian process regression. I am also using dacefit function to mod...

4 years ago | 0 answers | 0

0

answers

Question


Error using xlsread. Worksheet not found
Warning: Could not start Excel server for import, 'basic' mode will be used. Refer to HELP XLSREAD for more information. > In ...

5 years ago | 1 answer | 0

1

answer