Answered
How to use a generated MEX function?
Hi Maria, The generated mex file will have an extensions mex for the filename. For example with windows platform, you get the m...

2 years ago | 0

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Answered
Why do I get "array indices must be positive integers or logical values" when running this for loop?
Hi Spencer, The access of i_theta in xcoord and ycoord is the issue. In MATLAB, indexing is one based. Try to update as folllo...

2 years ago | 0

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Answered
What can I do about this problem to create a table?
Hi Jonathan, You can try converting to strings to avoid such problem. Here is the line of code, that is changed with strings. ...

2 years ago | 0

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Answered
Skip iterations in for loop
Hi Maud, You can directly use those values for index i. Try this, for i = [2:4 8:13 17:22 26:31 35:40 44:46] grf43.data(:,i) ...

2 years ago | 1

Answered
step amplitude change in a sine wave code Matlab
Hi Macyln, I am not exactly sure as what you are looking for. Based on the figure, i see that you wanted to have different leve...

2 years ago | 0

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Answered
How to use one function in another function
Hi Sushanth, When the functions f1 and F2 are in the path where function f3 can acess, then you can directly use the function...

2 years ago | 0

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Answered
convert 1x1 Cell with scientific number as text to a number in MATLAB.
Hi Eddie, To convert cell to a number, you can use cell2mat function. For usage of the function, look https://www.mathworks.c...

2 years ago | 0

Answered
Doubt about NR PDSCH Throughput example
Hi Angelo Rob, Please refer to the answer placed in https://www.mathworks.com/matlabcentral/answers/549510-input-bits-in-nr-pds...

2 years ago | 0

Answered
Input bits in NR PDSCH Throughput example
Hi AngeloRob, Inorder to get the bit error rate, the simplest is to store an array of bit errors, similar to simThroughput valu...

2 years ago | 2

Answered
reverse indexing of a matrix in matlab
Hi Lilly, You get error at that line, because, you just removed the sort operation, which can provide two outputs. The code ca...

2 years ago | 0

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Solved


Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

2 years ago

Solved


Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

2 years ago

Solved


Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.

2 years ago

Solved


Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

2 years ago

Answered
model to create V2X applications
Hi Prateek, For a quick start, in terms of LTE based sidelink V2X communications, at the L1-L3 link-level, the LTE Toolbox has ...

2 years ago | 1

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Answered
xyz2rgb input arg
Hi Loong, XYZ is the tristimulus values and not the coordinate system, since the color space is varied from XYZ to RGB. You ca...

2 years ago | 0

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Answered
channel coefficient generation for TDL channels
Hi Ashok, To get the path filter impulse response for link-level MIMO fading channel (i.e. nrCDLChannel or nrTDLChannel), use t...

2 years ago | 0

Answered
Frame structure in NR PDSCH Throughput example
Hi Angelo, The example considers each slot in a frame is allocated for the downlink transmission. For a 15 kHz SCS, in each fra...

2 years ago | 0

Answered
Reserved PRB in PDSCH object from 5G toolbox not working
Hi Christian, Thanks for sharing the code. The issue of PDSCH not rate-matching around the SSB comes from the incorrect assign...

2 years ago | 0

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Answered
5G NR Synchronization Procedures
Hi Xiangwei, You are almost right, in expressing the words. Minor correction: Though we can extract the SSB with the stronges...

2 years ago | 1

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Answered
QAM modulation in Uplink and Downlink Carrier Waveform Generation
Hi Javier, Based on the plots, i see it is placed for an uplink waveform generation example. The uniform color for QPSK with g...

2 years ago | 0

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Answered
Modify number of antennas in NR PDSCH Throughput
Hi Javier, The one most important aspect is to change is the number of layers. The number of layers decide whether the number o...

2 years ago | 0

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Answered
5G NR Downlink Carrier Waveform Generation
Hi Javier, You can provide any values. But the best guide to run different simulations is the Transmission bandwidth configurat...

2 years ago | 0

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Answered
SRS in Uplink Carrier Waveform Generation
Hi, Its because in the SRS Instances configuration, the Enable field is set to 0. Here is the code that is present in that sect...

2 years ago | 0

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Answered
Plot f(x,y) = sin(2piX)sin(2piY)
Hi William, Try this: x = -2:.1:2 y = -2:.1:2 [X,Y] = meshgrid(x,y) Z = sin(2*pi*X).*sin(2*pi*Y) % Peform element wise mult...

2 years ago | 1

Answered
Hey, I am having trouble indexing into string vectors
Hi, Update this as below: res = ["ABC" , "DEF" , "GHI"] tf = [1 0 1]; % This is of type double, so convert to logical as ...

2 years ago | 2

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Answered
Error: Matrix dimensions must agree
Hi Marcello, Here is what happens, in your code. Place the annotations to help you understand. ws=[2 4 6]; % w is a 1 x 3 matr...

2 years ago | 0

Answered
Find row(s) of 3x3 matrix where the 1st and 2nd column equals a value
Hi, Try this: out = M(M(:,1)==1 & M(:,2)==1,:); % For the example provided with value 1 % For any generic value out = M(M(...

2 years ago | 0

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Answered
problem using for loop
Hi James, The variable is updated with the latest value in the for loop, leading to have only single value at the end of the fo...

2 years ago | 0

Answered
Cannot understand about this
Hi Byeongchan, This observation is becuase the variable i and actual value in z11 and z12 are plotted. Since the effect values ...

2 years ago | 1

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