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Raj


216 total contributions since 2019

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Answered
how can we find eigen values and eigen vector of a matrix having variable like x or y ?
You need to have 'Symbolic Math toolbox' to do this. Then you can calculate the Eigen values & Eigen vectors in terms of the var...

3 days ago | 1

Answered
How can I Input an already factored polynomial into the bode function?
Z=[-1]; P=[0,-0.5,-2,-3]; system=zpk(Z,P,1); bode(system)

3 days ago | 0

Answered
Hi. I want to automate a process which consists of 3 steps. 1. Read the data from excel file and extract the necessary data alone. 2. Run the data and output plots. 3. Store the results (workspace) in a specified folder in my computer.
"I want to call the master excel file into matlab, read/run the data in each sheet and save the workspace of each sheet in a spe...

5 days ago | 0

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Answered
Find position of max value in a graph
Just add this at the end of your code: [Y, I]=max(xphi); X_Max=phi(I) Y_Max=Y Or do you want max point markup on your plot? ...

10 days ago | 0

Answered
Vector output from a for loop
TMP =[12, 3, 36]; PGRED=zeros(size(TMP)); for ii=1:length(TMP) if TMP(ii) < 9 PGRED(ii)=0; elseif ...

10 days ago | 1

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Answered
Plots - Two Y-Axis with Different Units
Since you have not shared the data, it is not possible to give exact solution to your problem but if you are looking for plottin...

11 days ago | 0

Answered
divide array to multiple varible of array
For the purpose of storing you can use a structure something like this: MyStructure = struct('Name', {{'a' 'b' 'c'}}, 'Value', ...

11 days ago | 0

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Answered
How to store multiple y-data of arbitrary length for a given x and plot?
X=[1 2 3 4 5]'; Y= {[1 2 3] [1] [] [1 2 10 4] [1 5 2 0 3]}'; for ii=1:numel(X) scatter((repelem(X(ii),numel(cell2mat(Y(ii))...

11 days ago | 0

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Answered
plotting a graph of multivariable function
"The code is taking only last values, i.e., y1 and y2=1" - No it is not taking only the last values. The for loop for both y1 an...

11 days ago | 0

Answered
Using nested loops to calculate Bernoulli numbers
B=zeros(1,11); % Create an empty array to store the Bernoulli numbers for m=0:10 % Number of Bernoulli numbers required temp2=...

11 days ago | 0

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Answered
How to create a 2x2 matrix?
h1=rand(2,500)+i*rand(2,500) % Your first matrix h2=rand(2,500)+i*rand(2,500) % Second matrix M=[{h1} {h2};{h2} {h1}]

11 days ago | 0

Answered
Please help: How to do a time step?
The easiest way here would be: 1) Compute u_1 and u2 as you have done already. 2) Just take the last value of u_1 and append i...

12 days ago | 0

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Answered
Matrix compare row to column
Okay lets try to break it down here: 1) I have to create a 100 x 100 matrix Create an all zero matrix like this: A=zeros(100,...

12 days ago | 0

Answered
matlab hanging for the below code
Doesn't seem to be hanging for me! Where are you having problem? Have you tried running in Debug mode?

12 days ago | 0

Answered
bode magnitude response of fractional order system
Use the command bodeplot instead of bode and set plot options using bodeoptions. Here you have an option of setting your Maguni...

1 month ago | 0

Answered
Could anyone help me how to group into 4 sets.
Use this: NN = mat2cell(A,[1],[2,3,1])

3 months ago | 0

Answered
Assign null to rows of a matrix
You cannot assign 'null' like this to a 3D matrix while wanting to maintain the dimensions of the matrix. You can assign zero or...

3 months ago | 1

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Answered
round off problem in matlab
Just add 'format longg' before your code like this: format longg MAV = [0.0924317411754942 0.0313003411430704 0.00365072354007...

3 months ago | 0

Answered
problem in applying loop
What is the 'y' you have used in your main script loop? Its not defined anywhere. Use this line in main script: waveLen(i) = fi...

3 months ago | 0

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Answered
Is it possible to convert code written in the Matlab language into a Simulink block diagram?(Edited)
It is always recommended to be specific with your questions and also mention the MATLAB version that you are using. With the inf...

3 months ago | 1

Answered
How to iterate through a Matrix using for loops?
Shift these lines of code outside the 'for' loop: theta = [0, 0, 90, 45, 135, 30, 90, 0, 136.4, 15, 90, 165, 46.4, 0, 90, 45, 0...

3 months ago | 0

Answered
Could anyone help me to solve the issue.
A=[1.6512 1.6149 1.5829 1.5546 1.5298 1.1498 1.1334 1.1191 1.1066 1.0957 1.0862 1.0779 1.070...

3 months ago | 0

Answered
Comparing a value against a set of values
A=rand(1,1,n) % Define your matrix here B=nonzeros(A); if isempty(B) %%Do nothing else %%Run command here end

3 months ago | 0

Answered
could anyone help me to solve the issue in the following code
"Could anyone please help me on it" - You have not exactly mentioned what help are you looking for. Your error message is self e...

3 months ago | 0

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Answered
Diffrent results using tf(ss(A,B,C,D)) or C*inv(s*I-A)*B+D
The results are not different. They are same. Minor differences can be due to numerical/computational tolerances and accuracy. A...

3 months ago | 0

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Answered
Transfer function of the highly distorted system; impact hammer testing and frequency response of the system
Not sure why you took the trouble of posting so much details. From what I understand, the one line question is that you have got...

3 months ago | 0

Answered
Bode plot from transfer function looks wrong
"What is wrong with my MATLAB code?" - Absolutely nothing! Your Bode plot 'x' axis in in rad/sec and the online graph is in Hz...

3 months ago | 0

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Answered
How to I ensure that a triggered subsystem is run after the supersystem in Simulink?
You can do that by assigning higher relative priority to the supersystem. See below links for details: https://www.mathworks.co...

3 months ago | 0

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Answered
transfer function plot problem
I don't think you need to use 'zp2tf' and then 'tf' to get your transfer function. You can directly use: sys=zpk(z,p,k) bode(s...

3 months ago | 0

Answered
nonlinear bode plot to linear approximation bode plot
Have a look here: https://www.mathworks.com/help/ident/examples/frequency-domain-identification-estimating-models-using-frequen...

3 months ago | 0

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