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How to use tril function on only specific columns in a large matrix?
Hi Zuha, You can use a for loop as below and it does what is required: m = rand(31413,950); for i = 2:10:size(m,2) m(:,i...

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sort a string based on particular value
Hi Sajid, The sort function with the arrayfun can be used to check this. chs = arrayfun(@(x) str2double(string([ch{x}(5+1:8-1)...

alrededor de 6 años hace | 0

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How to insert copies of columns inside matrix with a specific condition?
Hi Zuha, You can use reshape and repmat functions to do this. Ar = repmat(A,10,1); out = reshape(Ar,10,[]); Hope this helps....

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Why my plot is not working?
Hi Eddy, To get the desired plot, you can perform the following % Option 1: To use it with the appropriate indexing plot(1:le...

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NR PRACH Simulation Problem
Hi Valerio, PRACH support is added in the 5G Toolbox latest release as part of MATLAB R2020a, which contains nrPRACH, nrPRACHIn...

alrededor de 6 años hace | 0

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estimate BER for LDPC 1/2 code
Hi Pertesis, The issue you observe is due to the usage of comm.BPSKDemodulator with hard decision (which is the default) in con...

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converting sym to double
Hi Parth, The way the syms is used here is the issue. See the link, which provides examples to get started. Do not define the ...

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elements of array are odd or even
Hi Pooneh, The following updates will perform what is looked for clear all clc a=round(0+9*rand(10,1)); for n=1:length(a) %...

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How can I plot a block function?
Hi Eliane, Here is the code that does it t = -1:0.01:1; % Set the limits of span x = zeros(length(t),1); % Initialize an arra...

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Function inside a for loop
Hi Ben, Directly use result(i) = mirrms(fileNameArray(i)) would help. Regards, Sriram

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recurrent solution of difference equation
Hi Rasistlav, You are in the correct way itself. Just use sind instead of sin function. Since, the values are treated as degree...

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How to use rate matching to alter turbo code rate?
HI Muhammad, The difference in size you see is due to the way lteRateRecoverTurbo works. The lteRateRecoverTurbo takes in the i...

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Model LO Phase Noise
Hi Waldemer, The way you see different example models from the documentation and from the MATLAB you have, is due to the differ...

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I need someone to detail the following simulation and what would be the results? PS: I am a novice in using MATLAB and would like to understand.
Hi Jeffy, Here is the annotated code with explanation. This code basically does phase modulation and demodulation. bit_rate = ...

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How to load data into deep learning neural network m-file
Hi Philoxy4 The link helps in ways to load data from excel sheet https://www.mathworks.com/help/matlab/import_export/ways-to-im...

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Power spectral density plot correction
Hi Petr, By default, you cannot change the color of output from the functions. However, you can do slight modification to the c...

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how to find the multiple elements of 5 in a vector ?
Hi Celia, The following code does this L = 10:1000; % Created a vector L spanning from 10 to 1000 % To find the multiple elem...

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plot different parts of vector
Hi Robin, The following code will provide what you are looking for M3 = rand(1,80); j = 1; str = []; for i = 1:20:80 h...

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Concatenating vectors based on list of variable names
Hi Jerki, This can be done with a for loop as shown below: out =[] for i = 1:numel(order) out = [out eval(order{i})]; ...

alrededor de 6 años hace | 0

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Forward and central difference help - loglog plot of errors vs h
Hi Savvanah, In the for loop, h is over written with the last value. I feel that is the issue in the code. Update with h(i) ins...

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RF Tool box and RF blockset
Hi Prarthana, Yes, RF blockset is available from R2017a. Here is the release notes for the product having information of capabi...

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Distance between one point and the next of a list of points?
Hi Marco, You can use the pdist and pdist2 functions in the Statistics Toolbox XY = [ 0 0; 1 0; 2 0; 3 0; 0 -1;1 -1;2 -1;3 -1]...

alrededor de 6 años hace | 1

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Dimensions of matrices being concatenated are not consistent.
Hi, I see that the issue is with usage of textscan function. Replace the line with this s=textscan(fid,'%f, %f','headerlines',...

alrededor de 6 años hace | 0

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how to access matlab file using python?
Hi Bibek, Here is the documentation link that provides how to access MATLAB from python. https://www.mathworks.com/products/ma...

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access the respective values of matrix using the cell array cell position value
Hi Elysi, Here is what you have asked for % Given matrix a = [0 33 34 16 25;... 22 0 20 12 45;... 20 40 0 30 12;......

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fprintf cell array of two classes
Hi, Use this if the number of rows of both the arrays are same n = size(doubArr,1); arrayfun(@(i) fprintf( '%s %s \n', charAr...

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combining 3 for loops
Hi Nur, If the code is updated to run from time t set from 2 to 1000, this should go away with the error you see. The subtract...

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Write a function to calculate the cubic root of a 2D array
Hi Leah, Update the while loop variable n to 1 within the second for loop. This is the issue with half way wrong answer. The in...

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Code for simulating multiple matrices
Hi Caillin, To get the output for all the ranges of simulated answers from M1 to Mn, you can use a for loop. n = 5; T = ones(...

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how to call prepared function (m file)
Hi Sani, You can directly call the function with its name, provided it is in the path. For example your downloaded function nam...

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