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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...
ungefär en månad 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)
2 månader 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...
2 månader 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...
2 månader 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
3 månader 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", .....
3 månader 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, ...
3 månader 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 = ...
3 månader 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...
3 månader 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...
3 månader 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...
3 månader 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...
3 månader 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...
3 månader 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
3 månader 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...
3 månader 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)...
3 månader 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...
3 månader 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...
3 månader 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
3 månader 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]; ...
3 månader 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...
3 månader ago | 0
Finding the z transform
syms n omega f(n) f(n) = sin(omega*n) ztrans(f(n))
3 månader ago | 0
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inspection of linearity of data?
load(websave("check_linearity.mat","https://www.mathworks.com/matlabcentral/answers/uploaded_files/1167363/check_linearity.mat")...
3 månader ago | 0
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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...
4 månader 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
4 månader ago | 0
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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 ...
4 månader 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))]
4 månader 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', ...
4 månader 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...
4 månader 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...
4 månader ago | 0
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