Answered
Grouping times by end to start time
t1 = [5, 7, 17, 21, 35, 37]; t2 = [12, 9, 22, 23, 38, 41]; t2_c = cummax(t2) gap = [0 t1(2:end) - t2_c(1:end-1)] gap = gap >...

2 maanden ago | 0

Answered
Find the indicies of the top 250 values of a Matrix
Not very clear on what you are asking. Here is a guess. Rho = rand(5, 6) % small matrix for...

2 maanden ago | 1

Answered
Find a shipping vessel's ports based on location data
One way is to look at the change of position (using gradient) and set a threshold. websave("lat.mat", "https://www.mathworks.co...

2 maanden ago | 0

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Answered
specifying an array size
count=0; b = []; %A =randi([1,9999],10,31); A =randi([1,60],10,31); [row,col]=size(A); for i=1: row for j =1:c...

3 maanden ago | 0

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Answered
Pcg method is imprecise
The pcg method use tol as a relative tolerance such that norm(residual) < tol*norm(rhs). So you need a different assert. tol =...

3 maanden ago | 0

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Answered
how do i download apps Sonar Equation Calculator for R2021b?
Sonar Equation Calculator comes with phased array toolbox. You need that toolbox.

4 maanden ago | 0

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How do I highlight a certain area between two lines?
% Generate some data t = 0:.1:10; y = sin(t); plot(t, y); hold on % highlight a portion of data idx = t>6 & t<9; area(t...

6 maanden ago | 0

Answered
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)

6 maanden ago | 0

Answered
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...

6 maanden ago | 0

Answered
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...

6 maanden ago | 1

Answered
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

7 maanden ago | 0

Answered
Reading CSV file with header and other data.
T=readtable("https://www.mathworks.com/matlabcentral/answers/uploaded_files/1174693/Without%20Cooling-%20aluminum%20No1.csv", .....

7 maanden ago | 0

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Answered
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, ...

7 maanden ago | 0

Answered
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 = ...

7 maanden ago | 0

Answered
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...

7 maanden ago | 1

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Answered
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...

7 maanden ago | 0

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Answered
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...

7 maanden ago | 0

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Answered
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...

7 maanden ago | 0

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Answered
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...

7 maanden ago | 0

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Answered
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

7 maanden ago | 0

Answered
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...

7 maanden ago | 0

Answered
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)...

7 maanden ago | 0

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

7 maanden ago | 0

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Answered
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...

8 maanden ago | 0

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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

8 maanden ago | 0

Answered
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]; ...

8 maanden ago | 0

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Answered
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...

8 maanden ago | 0

Answered
Finding the z transform
syms n omega f(n) f(n) = sin(omega*n) ztrans(f(n))

8 maanden ago | 0

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Answered
inspection of linearity of data?
load(websave("check_linearity.mat","https://www.mathworks.com/matlabcentral/answers/uploaded_files/1167363/check_linearity.mat")...

8 maanden ago | 0

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Answered
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...

8 maanden ago | 0