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

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

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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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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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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Sonar Equation Calculator comes with phased array toolbox. You need that toolbox.

4 maanden ago | 0

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

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

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

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

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

7 maanden ago | 0

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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

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

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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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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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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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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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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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

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

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

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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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

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

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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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

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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