Community Profile

# Naveen Venkata Krishnan

### MathWorks

20 total contributions since 2019

I work at MathWorks India Pvt Ltd

DISCLAIMER :
Any advice or opinions I post are of my own and in no way reflect that of the company.

View details...

Contributions in
View by

Why is my signal builder not giving precise outputs?
This issue can be solved by using a signal editor block instead of signal builder block. The cause of the issue is because of in...

Linearization of Nonlinear modes from ode equation
Hello Niveditha, As for as I understood you need some guidance with respect to linearization of non-linear system. I have give...

| accepted

I am very new to matlab and am having syntax errors. Index in position 2 is invalid. Array indices must be positive integers or logical values. Error in tension (line 36) temp= (Be/N).*( log2( 1 + ( colony( j,d(len1)+r ).*(CG1)^2)/(sigma*Be)/N));
Hello siva, You have missed some ends. To remove the syntax errors try using the below code, but with respect to logic and var...

| accepted

Hello Nikhil, The "Sine" wave that you are sending to the derivative might be of from whose derivative will be .Hence try to s...

command "integral(g,a,b)" is not working
Hello Jibrail, Refer the following link : https://in.mathworks.com/help/matlab/math/complex-line-integrals.html

contourf nolinear y axis
Hello Kat, As far as I understood from the description, you have irregulary spaced Y ( assuming only Y is irregulary spaced an...

Optimization running. Error running optimization. Undefined function 'Cost_minimization_function' for input arguments of type 'double'.
Hello Shamir, There is a mistake in the way you have implemented the 'ga' function . Change it to : [x, fval, exitFlag, Outpu...

How to get as output the values of a parameter which change over time, but is not a derivative, in a function with an ODE system
Hello Sylvain, Can you try this once, after the execution of ode you will be having D(t) , S(t) over the specified tspan. Try c...

| accepted

Linear programming for economic dispatch
Hello Divyesh, Use Quadprog instead of linear Prog. is the objective function convert it to form where , to find with res...

Similar to Binary search, I need a Decomposition method like it is described below.
Hello, If you want idx to follow a particular flow you can directly give it as follows for idx = [8,4,12,2,6,10,14,1,3,4,7,...

state-space and imp2ss
Hello Elie, Is K the impulse response of the model that you are working on. Can you provide the K and t values.

Masking a variant subsystem using Label control
Hello , As far as I understood, you have a problem in implementing a variant subsystem. I have attached a simple model of impl...

| accepted

optimization- profile for the optimized values
Hello Nivedhitha, Ga assumes very random intial values for the variables in the search space and moves towards optimility with...

is there a way to get generalised code to take numerical inputs after a general solution is shown?
Hello Mayank, As far I understood from the problem statement, you want to calculate a matrix Tf which is a function of th2 d1 L...

interpolation surface no mesh
Hello, I think you can use interp2 function interp2(X,Y,Z,xq,yq) %interp2(X,Y,Z,0.5,0.8) Where xq,yq are the query points wh...

Why is the voltage results from Phasor simulation different from Continuous simulation?
Hello, The following 2 links will give you clear idea about phasor mode of simulation 1 . https://www.youtube.com/watch?v=Rv...

| accepted

How to multiply matrices with variables as elements
Hello, Based on the problem description you are trying to minimize the time taken to reach a particular set point ( cost funct...

| accepted

How to input values from workspace to PV array Block?
Hello Jack , From the question I understood that you are changing the "Module" in the "Module data" of the PV array to unser de...