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### MathWorks

300 total contributions since 2018

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Understanding the Matlab code
Hi Rehman,, The bolded line in the code is d_T = d'; The above lines indicates complex conjugate transpose of matrix d is a...

1 day ago | 1

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HDL OFDM Transmitter Reference Application
Hi Nisha, Please ensure you have the products HDL Coder, Wireless HDL Toolbox and Simulink installed in MATLAB. Also, ensure yo...

21 days ago | 0

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While loop if condition
Hi Braden, You can add these conditions in the while loop. (~isreal(left)) % To check if left is a complex number (imag(left)...

21 days ago | 0

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Delete the first element from each first row inside the cell array
Hi Daria, You can try A1 = cellfun(@(x) x(2:end), A, 'UniformOutput', false) For more information about cellfun, look here. ...

21 days ago | 0

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1x0 emtpy double row vector?
Hi Metin, In MATLAB, the colon operator indicates the range of values that are used for an operation. lowestNum:HighestNum is ...

21 days ago | 0

How to convert array so that I have only numerical values
Hi Pavan, As from the snippet provided, i can see a pattern where from 6 element the numeric value starts and has till last but...

25 days ago | 0

BER in scatter plot
Hi Darshan, BER is not releated to complex symbols. So, it can'e be known from scatter plot. You need to first demodulate the ...

27 days ago | 0

How to design a filter to pass frequencies between 0 and 12Hz
Hi Hishan, You can confirm if your filter designed meets the requirements, by looking at the frequency response of the filter u...

28 days ago | 0

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

2 months ago

5G DMRS sequence generation
Hi Bryan, The function nrPRBS accepts a vector or a scalar to specify the number of elements in the sequence, n. When n is spe...

2 months ago | 0

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which filter generate after prepossessing signals into Signal Analyzer app, IIR or FIR ?
HI Dhiraj, The singal analyzer app, preprocess the signal using these functions for the corresponding filters: lowpass, (Low p...

3 months ago | 1

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MODELING POWER AMPLIFIER IN MATLAB AND DPD BLOCK DESIGN
Hi Madhurima, For quick start, you can look after the video here and the corresponding example here. Hope this helps. Regards...

3 months ago | 0

physical layer implementation of ieee 802.11ah
Hi, IEEE 802.11 ah physical layer simulation framework is available with WLAN Toolbox. For Tx, Rx and channel modeling relat...

3 months ago | 0

sort applied after CCE-TO-REG mapping post interleaving
Hi Yatin, The "sort" is used to effect the frequency-first filling *per OFDM symbol* for the resource blocks within a control c...

3 months ago | 0

How can I run 5G NR Downlink Signal Generator
Hi Chanuk, The application shown in the video is a demo file and is made up using the 5G Toolbox. To generate the NR-TM or FRC...

3 months ago | 0

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How do I subplot multiple tiles that I divided from a satellite image in one figure?
Hi Oanh, You can try the following, since you are there are 16 x 16 tiles. tiles=zeros(500,500); tiles = mat2cell(TOARef_B{5}...

4 months ago | 1

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how can i plot positive magnitude only of a sine wave
Hi Ali, From next time, please post the code you tried and where you have struck. So, that if one wants to try out the things, ...

4 months ago | 1

Error Using Plot for a Derived Fourier Transform Signal
Hi Mohammed, The code that is provided as some variable issues. I tried to correct and placed the code here, based on what u r ...

4 months ago | 1

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USING MEX TO SPEED UP THE CODE
Hi Yogendra, Once you generated the mex (MATLAB executable) using MATLAB Coder. Then, observe that there will be a file generat...

4 months ago | 1

Filter transfer function for impulse response
Hi ACICY, I think you just wanted to confirm if the transfer function placed is apt or not. You made a good try, but seems tha...

4 months ago | 0

RF Toolbox and Simulink library browser
Hi Krishnan, RF Toolbox wont be visible in Simulink Library Browser, it is mainly the MATLAB environment. I think you wanted t...

4 months ago | 0

What does ''all'' mean in M = min(A, []. ''all'') ?
Hi xxtan1, The 'all' flag indicates all the elements of the matrix. If the matrix A, as you mentioned is 4 x 4, then min(A,[]...

4 months ago | 2

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Saving plots in signal analyzer app
HI Hamidreza, Inorder to save the output displays, you can copy and paste them on another application like Word, Paint. Then, s...

4 months ago | 0

Find the general solution of the equation y′−y= y2ex.
Hi Satyanarayana, Differential equations can be solved with dsolve function. Here is the code, that you might be looking for: ...

4 months ago | 0

How accessible is Simulink for visually impaired users?
Hi Stuart, Here is the accessibility statement of 2020 Q1 https://www.mathworks.com/support/accessibility.html As a first step...

4 months ago | 0

Creating a Vector with 5 elements in a specific way
Hi Yuval, n = 5; u = 2.^(0:n-1); Hope this helps. Regards, Sriram

4 months ago | 0

Hi Luca, You can draw this in Simulink, if you hace access to Simscape Electical. There are quite a good number of examples an...

4 months ago | 0

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Sum of two numbers is not accepted
Hi Stanislav, It is the way the floating point airthmetic are performed in MATLAB. If you would have tried 0.14 + 0.001 equals...

4 months ago | 1

How to reshape matrix 2 columns by 2 columns
Hi Ren, Use individual columns and append them. For the sample code you provided, it can be done as below: a = [1 0 2 0 2 3; ...

4 months ago | 0

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