Matlab code to convert image into mXn matrix?

I have some images in RBG. I would like to convert my image into mXn matrix binary as well as decimal. Is there any matlab code or matlab function?

31 December 2017 273 4 View

How to verify whether the kernel is positive definite or indefinite?

04 May 2017 1,590 4 View

How to change initial weights in Libsvm software(matlab interface) which is set as zero ?

I want to give my defined weights as initial weights to train my data set using libsvm. I am using MATLAB interface. In which file and how can I do this change? Suggest me the code to provide my...

08 September 2016 8,040 1 View

Why do I get same number of support vectors in each class?

After training heart.scale data set using RBF kernel, to find number of support vectors in each class I am writing following code. Am I doing any thing wrong ? as I am getting the same number of...

02 March 2016 5,220 3 View

Why do the dimensions for support vector coefficients differ?

My classification problem has 4 classes. If I use inbuilt LIBSVM library in which one-one approach is used, and check the dimension of support vector coefficient ie, model.sv_coef, it is 53 x 3....

08 September 2015 180 2 View

How can one find the value of discriminant function of svm using libsvm?

02 March 2015 2,962 5 View

How can I calculate and store the value of decision function of SVM using LIBSVM (MATLAB interface)?

My problem has 6 classes. After creating model file using RBF kernel, I want to use my own kernel in which I want to use value of decision function, which I am getting using standard RBF kernel....

02 March 2015 9,584 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 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

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View