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Partitioning data out of .txt files
websave("scan.txt", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1150740/archer_fieldnotes_scan.txt") %type ...

fast 4 Jahre vor | 0

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How to make a matrix from several column vector
a = rand(1,1); b = rand(10,1); c = rand(100,1); % you are not able to combine them into a matrix as you sepcified since the...

fast 4 Jahre vor | 0

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How to obtain mean of columns in multiple cells?
% Generate data for i=1:5 a{i} = randn(3439, 72); end % find means s = zeros(size(a{1})); for i=1:5 s = s + a{i...

fast 4 Jahre vor | 0

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How to interpolate gridded data for contourf?
doc fillmissing

fast 4 Jahre vor | 0

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Implementation of fractional delay filter from scratch in matlab
If you are looking for source code of fractional delay, check out this and its accompanying codes: T. I. Laakso, V. Valimaki, M...

fast 4 Jahre vor | 0

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Solve matrix equations using loop
The equations you have: You want to solve it for , and . You need to rearrage the equations: Now you solve this new syst...

fast 4 Jahre vor | 0

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How to find FWHM from this?
Your data has no half power points so you cannot find fwhm. load(websave("fwhmdata.mat", "https://www.mathworks.com/matlabcentr...

fast 4 Jahre vor | 0

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How to accurately compute the phase lag between two time series with same sampling frequency.
s=load(websave("Data_timeseries.csv", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1148175/Data_timeseries.cs...

fast 4 Jahre vor | 1

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Graphing a two variable limit
x= -0.5:.01:0.5; y = 0.5:.01:1.5; [xx, yy] = meshgrid(x, y); zz = acos(xx./yy)./(1+xx.*yy); %zz = nan(size(xx)); % idx = ab...

fast 4 Jahre vor | 1

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How to fix error "Array indices must be positive integers or logical values."
function xc = mybisect(f, a, b, tol) format longg; a_vals = zeros(a, length(tol)); b_vals = zeros(b, length(tol)); c_vals = ...

fast 4 Jahre vor | 1

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strings in conditional statments
l = input('Do you want to plot: ', "s"); % s for string if l == "yes" % string comparison instead of cha...

fast 4 Jahre vor | 1

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Is my matlab code for the sinc signal below correct.
%************ Variable declaration****************** t = -20:0.1:20; p = -10:1:10; signal = zeros(1,length(t)); %for spped al...

fast 4 Jahre vor | 0

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How to plot the convolution integral of two functions
Use symbolic math: syms x y h tau %x = 0:0.5:10; y = exp(-x); % use -1 and -2 to ensure convolution exist h = exp(-2...

fast 4 Jahre vor | 1

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Error: Edge vector must be monotonically non-decreasin with isosurface
Nx = 32; Ny = 32; Nz = 32; Lx = 2*pi; Ly = 2*pi; Lz = 2*pi; x = (0:Nx-1)/Nx*2*pi; % x coordinate in Four...

fast 4 Jahre vor | 0

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How to plot envelope of a signal
load t.mat load signal.mat whos plot(t, signal); hold on [yupper,ylower] = envelope(signal,1000, 'peak'); plot(t, yupper, ...

fast 4 Jahre vor | 0

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Cross Correlation lag issue
P2 = randn(10, 1); P3 = [zeros(5, 1); P2]; % P3 is P2 delayed by 5 [xc2,lags2] = xcorr(P2,P3); plot(lags2, xc2) [rho2,imax...

fast 4 Jahre vor | 0

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Adding XYZ axis in RGB colors in the corner of a plot
plot(rand(10,1)) annotation('arrow', [0.8, 0.7], [0.8, 0.75], 'Color', 'r') annotation('textbox', [0.68, 0.70 0.05 0.05], 'Str...

fast 4 Jahre vor | 0

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How to label a structure name in a loop
low.t1 = 2; low.t2 = 3; for i=1:2 data = low.("t"+i) end

fast 4 Jahre vor | 0

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Reorder vector without for loop
A = randn(583200, 10); B =reshape(A, 540, [], 10); B = permute(B, [2 1 3]); B = reshape(B, 583200, 10); whos % To verif...

fast 4 Jahre vor | 0

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using subplot in bar , how to adjust bar width
x1 = [1 2 3]; y1 = [1 2 3 ]; x2 = [1 2 3 4 5]; y2 = [1 2 3 4 5]; % Make xlim same so that the bar width is the same h1= s...

fast 4 Jahre vor | 0

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Rotate Basis Vectors Programmatically
V1 = orth(randn(6)) % your original orthonormal basis % Then you can apply any other orthonormal basis to it % For e...

fast 4 Jahre vor | 1

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Sorting Values my Integer and Decimal Values
p = [8.1 8.2]; if floor(p(1)) == floor(p(2)) disp("A pair.") end f = [2.1 , 3.1 , 4.1, 5.1, 6.1]; if all(abs(diff(mo...

fast 4 Jahre vor | 1

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Correlate Signals with different time points
You can resample the data into sime sampling time: doc resample doc retime doc interp1 After both signals are sampled in the...

fast 4 Jahre vor | 0

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How to remove the AWGN noise from data?
Uo=[20 30 40 50]; % signal U=awgn(Uo,30) % add noise to signal % Uo=U-awgn(30); % if you don't know t...

fast 4 Jahre vor | 0

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How to trasform from cell to matrix and transpose from horizontal to vertical at the same time?
Data.my_cell{1} = randn(1, 11); Data.my_cell{2} = randn(1, 11); Data.my_cell{3} = randn(1, 11); Data.my_cell my_matrix = cel...

fast 4 Jahre vor | 1

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How do I zoom in on a certain section of a magnitude bode plot
num = [1]; den = [1 0.04946 3.00316 0.0989847 3.00322 0.0494631 1.00006]; g=tf(num, den) bode(g) grid on ax = findobj(gcf, ...

fast 4 Jahre vor | 0

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Obtaining Sine Wave From Square Wave
% generate a square wave with no fixed period f = 0.125; fs=1; s = 0.3+sin(2*pi*f*(0:40)); % a sine wave with offset x =2* (...

fast 4 Jahre vor | 0

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why do I get this error while using qammod? "Expected input number 1, X, to be an array with all of the values < 4."
A few bugs in program. The major one is generating input signa which should bel: tx_bits=randi([0 M-1], [N_data_symbol,1]); N...

fast 4 Jahre vor | 1

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Using trapz function to provide answers using loop
% The way to use trapz x= 1:20; % x y = randn(20, 1); % y ytrapz = trapz(x, y) % integr...

fast 4 Jahre vor | 0

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Storing sparse matrices in cell or struct without converting them to full
The sparse array in cell is still sparse array as shown below, Can you show the problem you have encountered? a = sparse(eye(1...

fast 4 Jahre vor | 0

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