Community Profile # Raj

Last seen: 1年以上 前 2019 以来アクティブ

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How to change the reference ?
I don't think this is right: ref = 8 in [0.200] ref = 5 in [200,400] ref = 12 in [400,600] You cannot have 2 references at...

2年以上 前 | 0

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Write a program that calculates the length of hypotenuse c for all (!) combinations of legs a and b and do so using a for loop!
You already know 'a' and 'b' from your problem statement. Just declare them as vectors directly. No need to enter the values one...

2年以上 前 | 0

matlab account got temporary disabled
Maybe this will help: https://www.mathworks.com/matlabcentral/answers/429927-what-do-i-do-if-i-exceeded-the-limit-for-failed-lo...

2年以上 前 | 0

Pre allocation do not work ...
Question is not clear. What exactly are you trying to do here?The pre allocation works fine. You can check it by putting breakpo...

2年以上 前 | 0

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repeat elements ('a','b') where 'a' has to repeat 157 times and 'b' has to repeat 173 times, sequentially?
What is the exact issue here? Your 'tags' themselves are answers to your question. Use repelem and repmat to get what you want d...

2年以上 前 | 0

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Vector with numerator 1 unit less than denominator
format rat A=input('Enter number of elements:') % Enter 10 for this example for ii=1:A Out_Vector(ii)= (ii-1)/ii; end O...

2年以上 前 | 0

Delayed step/ impulse response
You have your system model and input signals equation. You can just generate your input signals and get the system response for ...

2年以上 前 | 0

frequeny domain signal into time domain signal
Your question is basically to convert the frequency domain data to time domain. Use 'ifft' command. See details here: https://...

2年以上 前 | 0

Workspace data is not reflected in the model
Ok to summarize, you have a time series data in your workspace which you want to import to Simulink at appropriate time stamps. ...

2年以上 前 | 0

How Simulink and Simscape model a particular system differently.
Of course you can make a Simulink model (mathematical model) of DC motor. Your question itself clears the air about 'how' Simuli...

2年以上 前 | 0

Which state is being plotted in multi-degree of freedom system when using bodeplot
Can you share your system. 'bode' or 'bodeplot' for a MIMO statespace system will give you Bode plot (Magnitude and Frequency re...

2年以上 前 | 0

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summation with for loop for all rows in another column
You are almost there. Put the whole thing in another loop that runs accross all the rows and store F_HL for each row like this: ...

2年以上 前 | 0

Time series data to frequency domain
Seems straightforward. Use this for reference: https://www.mathworks.com/help/signal/ref/spectrogram.html

2年以上 前 | 0

Finding X value for a corresponding Y value from contents of a table
You can use 'interp1' command. For example, in case of third column you can use: interp1(A(:,4), A(:,1),1.5) which gives ans...

2年以上 前 | 0

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How do I choose the desired final states when i simulate my state space model?
"How would I tell my system to, for example, change the pitch angle 10 degrees and then plot the results of this?" It's a quite...

3年弱 前 | 0

Use of initial value and calculated value.
Use the Simulink Delay Block Tap the output coming from the last block 'update angular velocity' and give it as input to the fi...

3年弱 前 | 1

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Upcoming Exam Dates for MATLAB Associate certification in India?
See here: https://www.mathworks.com/training-schedule/search?class_format=ILC&country_facet=IN

3年弱 前 | 0

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年弱 前 | 1

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年弱 前 | 0

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...

3年弱 前 | 0

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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? ...

3年弱 前 | 0

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 ...

3年弱 前 | 1

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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...

3年弱 前 | 0

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', ...

3年弱 前 | 0

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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 2 10 4] [1 5 2 0 3]}'; for ii=1:numel(X) scatter((repelem(X(ii),numel(cell2mat(Y(ii))...

3年弱 前 | 0

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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...

3年弱 前 | 0

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=...

3年弱 前 | 0

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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}]

3年弱 前 | 1