Can someone explain intuitively what ravel_multi_index( ... ) numpy function does?

I am trying to understand a python code but got stuck trying to understand what numpy.ravel_multi_index does.The documentation and the examples therein are confusing. Can someone help to explain...

03 April 2018 6,654 1 View

Can someone help me look at my Q-learning implementation in Python ?

I am trying to understand Q-learning; so I had to try my hand on a 3 by 3 grid world in python. The program runs but Q-learning is not converging after several epsiodes. Please, I would need...

02 March 2018 6,960 2 View

How best to implement Q-learning?

I am running an experiment in a 7 X 7 grid world. I have an agent that can perform 5 possible actions in the grid world. The agent can move up, right, left, down and wait. The agent does the...

02 March 2018 7,052 3 View

What are the challenges & possible techniques for developing Autonomous Learning Robots in a dynamic, stochastic & partially observable environment?

I am working on Autonomous Learning Techniques for robots. Assuming a robot is deployed in an unknown environment, what techniques could help the robot explore this environment and build its own...

10 November 2017 3,027 3 View

How can I plot my own U-Matrix in MATLAB without using SOMtoolbox?

I am trying to code SOM by myself. Visualising the weight matrix for 2-dimension input vectors is quite intuitive with ordinary plot function in MATLAB but it is hard to conceptualise how to do...

10 November 2017 5,918 0 View

Can someone help me with an easy-to-use Robot Simulator?

I wish to simulate a robot behaviour in an unknown environment. Can someone help me with a user-friendly simulator?

10 November 2017 7,119 9 View

Source of data set for global oil price prediction?

03 April 2016 919 0 View

Difficulty in coding convolutional neural networks ?

I find it difficult in understanding the concept of convolutional neural networks enough so that I can code it in MATLAB. Can someone help me present the idea algorithmically?

03 April 2016 938 6 View

I would need a comprehensive guide for installing TensorFlow on Windows?

01 February 2016 9,896 2 View

Apart from MATLAB neural network toolbox, What are other easy to use but free neural network tools?

31 December 2015 6,130 14 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View