# Naveen Venkata Krishnan

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**Content Feed**

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...

2 years ago | 0

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...

2 years ago | 0

| 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...

2 years ago | 0

| accepted

Discreter derivation in Simulink

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

2 years ago | 0

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

2 years ago | 1

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...

2 years ago | 0

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...

2 years ago | 1

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...

2 years ago | 1

| 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...

2 years ago | 0

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,...

2 years ago | 0

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.

2 years ago | 0

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...

2 years ago | 0

| 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...

2 years ago | 0

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...

2 years ago | 0

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...

2 years ago | 0

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...

2 years ago | 0

| 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...

2 years ago | 0

| 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...

2 years ago | 0

Using maximum of optimisation variable as an upper bound for another variable

Hello Micheal, Based on the question, I understood the problem in this way , please correct me if am wrong : "You want to min...

2 years ago | 0

Uploading a Arbitary waveform to DS345 function generator

Hello Rashid , I think there might an issue while communicating with the instruments. Make sure that you have downloaded the r...

2 years ago | 0