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**Content Feed**

How to calculate a running value of a function for every 30 samples?

Nt= 50; % Total samples d = randn(1,Nt); ratioCompute = movmean(d, 30)

5 days ago | 0

How to count number of ones and zeros in a binary number?

% if you use char to represent binary numbers A='1100'; mod(sum(A=='1'), 2) == 0 % if you use double to represent binaray num...

5 days ago | 0

Receiving a "Array indices must be positive integers or logical values." message

change the for loops into: x = 1:.1:10; results = abs(q) ./ (4*pi*e0*x.^2); The original program has result(x) where x is not...

5 days ago | 1

define a counter which will starts counting from zero automatically when the count reaches to 10

c = 0; % initialization while true c = mod( c + 1, 10); % count from 0 to 9 then re-start end

18 days ago | 0

Reading CSV file with header and other data.

T=readtable("https://www.mathworks.com/matlabcentral/answers/uploaded_files/1174693/Without%20Cooling-%20aluminum%20No1.csv", .....

1 month ago | 0

| accepted

Merge the multi-columns, multi-rows in one column, one row

var = ["filename", "xmin", "ymin", "xmax", "ymax"] T = { "Japan_000001_jpg.rf.7b3ecaac169c998a18815a31934dbbea.jpg", 0, ...

1 month ago | 0

Trying to change the y axis range in fplot

syms s a b c d e f n10 = a + (b*s) + c*(s^2) + d*(s^3) + e*(s^4) + f*(s^5) n10_d1 = diff(n10,s) n10_d2 = diff(n10_d1,s) A = ...

1 month ago | 0

How to find the maximum value between two indices in an array?

Without yor data and complete code, this is a guess: mode2a = 200; % frequency lower bound (Hz) mode2b = 600; % frequency uppe...

1 month ago | 1

| accepted

How to add tolerance to iteration with if statement

x(1,1)=0; %Initial guess, x=0 y(1,1)=0; %Initial guess, y=0 z(1,1)=0; %Initial guess, z=0 R=0.3; %relaxation factor f...

1 month ago | 0

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Why is my plot blank

P0=300; %power of the heater n=50;% amount of gas (mol) M=28; % Molar mass of Nitrogen gas m=n*M;% m is the mass of the gas(g...

1 month ago | 0

| accepted

Bandpass power spectrum density issue

You need fs >2*f_upper. Try fs = 80GHz Wx = 50*10^6; % Signal bandwidth Tx = 1/Wx; % Symbol ti...

1 month ago | 0

| accepted

Assign variables from a solve solution

syms k_x Kr_x alpha_x c0=18.1499 alpha0=0.3491 g=9.81 omega=0.54 D2 = [1 2]; for i=1:length(D2) c_x=c0*tanh(k_x*D...

1 month ago | 0

| accepted

How to add tolerance to iteration with if statement

% if a2(i+1,1)-a2(i,1)<0.1 % change the above to: if abs(a2(i+1,1)-a2(i,1))<0.1

1 month ago | 0

How can I plot this function?

% parameters (use your values) lambdaR = 1; lambdaI = -1; d = 3; p = 2; x = -10:.1:10; w = sqrt(pi/2)*exp((-p^2-4*p*la...

1 month ago | 0

spline interpolation between three values

P=[100 200 300]; T=[100 150 400]; density=[0.4,0.7,0.8]; Pq =100:300; Tq = spline(P, T, Pq); dq = spline(P, density, Pq)...

1 month ago | 0

Named arguments in Matlab?

Use arguments block (additionaly for default value, type and size check. doc arguments for more details) self = Renderer(sampl...

1 month ago | 0

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Check for incorrect argument data type or missing argument in call to function 'int'

Break long line codes into shorter ones using ... int is not a builtin function. use fix/floor/round/ceil instead (find out th...

1 month ago | 0

how to save the values of DelL(T)

Lo = 44.46; Do = 18.76; alpha = 0.0002178 ; T = 36:1:180; DelL = Lo*alpha*(T-35); whos

1 month ago | 0

Acess all last array elements withtin cells

You can use cellfun: precipitate{1}=[1,2,3,4;1,2,3,4]; precipitate{2}=[1,2,3,4,5;1,2,3,4,5]; precipitate{3}=[1,2,3;1,2,3]; ...

1 month ago | 0

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I can't figure out why am not getting a plot on my code

If you put the script and local function ga in the same file, then local functions should be placed at the end of the files as s...

1 month ago | 0

Finding the z transform

syms n omega f(n) f(n) = sin(omega*n) ztrans(f(n))

1 month ago | 0

| accepted

inspection of linearity of data?

load(websave("check_linearity.mat","https://www.mathworks.com/matlabcentral/answers/uploaded_files/1167363/check_linearity.mat")...

1 month ago | 0

| accepted

Why am I getting this error "not enough argument"

The number of input arguments is 6: for r =1:m H_MMSE(: , r ) = MMSEesti(ReceivedPilots (: , r ), TransmittedPilots (: , r...

2 months ago | 0

Creating 3D array from 2D with increment

A = randi([1, 10], [3, 5]) C = A + reshape(0:2, [1,1,3]) % increment 0, 1, 2 for example

2 months ago | 0

| accepted

Change sequence of consecutive trues to falses, in logical array

x=[true;false;false;true;true;true;true;true]' output = x; dx = diff(x(1:end-1)) output1 = output(2:end-1); output1(output1 ...

2 months ago | 0

Add indicative labels to vector values

A1 = [ 1 ; 2 ; 3 ]; A2 = [ 4 ; 5 ; 6 ]; A_labeled = [A1 ones(size(A1)); A2 zeros(size(A2))]

2 months ago | 0

Compact way to plot data with relative colors and legend

% Input a = {'marathon', 1, 4; 'bank holiday', 3, 6; 'bank holiday', 2, 1; 'concert', 0, 4; 'regatta', ...

2 months ago | 1

Bode Plot options to graph

H = tf([1 0.1 7.5],[1 0.12 9 0 0]); [mag,phase,wout] = bode(H); subplot(211); plot(wout, squeeze(mag(1,1,:))) subplot(212); p...

2 months ago | 0

How to create a for loop to go through data arrays?

%data = load('file.mat'); data.laser1.pulse=randn(10,1); data.laser2.pulse=randn(10,1); data.laser3.pulse=randn(10,1); dat...

2 months ago | 0

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How can i estiamte the local distance between two boundaries at each point ??

load(websave("bw1.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1153258/bw1.mat")) load(websave("bw2.ma...

2 months ago | 0

| accepted