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explaining this code for me please it's about making circuit in matlab but i confused here because i want to write comments in every line i have 160 line but i put some
while ~isreal(R) || any(R<=0) || mod(n,2)==0 || any(n<1) Comment: Repeat until R is a real positive value and n is an odd posit...

3年以上前 | 0

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How to access specific data in a cell array
No. Cell arrays need to be accessed in a loop for this case. You can hide the loop using cellfun, but this runs a loop internall...

3年以上前 | 1

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MEX error LNK2019:unresolved symbol
I suggest to follow the official installation instructions: https://nlopt.readthedocs.io/en/latest/NLopt_Installation/ and for W...

3年以上前 | 0

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Increase figure size on the screen but save with specific dimension in centimeters
Figures have the properties 'Position', which defines the size on the screen, and 'PaperPosition' and 'PaperSize', which determi...

3年以上前 | 0

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I am getting an error "Index in position 1 exceeds array bounds. Index must not exceed 1." Error in "v_x(n) = fmincon(fun_x(n), x0, A_x(n,:), b_x(n,:)); Can someone help"
Change: fun_x{n} = @(v_x)((norm(v_x(n) - v_des_x(n)))^2); fun_y{n} = @(v_y)((norm(v_y(n) - v_des_y(n)))^2); v_x(n...

3年以上前 | 0

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How can i use intersect function correctly ?
There are no overlapping points: f = @(x) 1 + cos(x); g = @(x) sin(x); x = 1.54:.01:1.6; plot(x, f(x), 'r.', x, g(x), 'b.');...

3年以上前 | 2

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generating matrices from another matrix
x = [1,0,0,1,0,1]; d = diag(x); Share1 = d; Share1(1, 2) = 1; Share2 = d; Share2(1, 3) = 1; Share3 ...

3年以上前 | 0

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how to select a whole row in a matrix
ismember(A, B, 'rows') % Or maybe ismember(A.', B.', 'rows')

3年以上前 | 1

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fzero not working with nested functions and mvncdf
I tried to reproduce your problem, but get a different error message: r = 0.03; d = 0.06; sigma = 0.2; V0 = 100; ...

3年以上前 | 0

質問

What can we do with the thread "license-manager-error-9"?
The thread why-do-i-receive-license-manager-error-9 is not useful anymore. The huge page reacts extremely slow and many users ad...

3年以上前 | 5 件の回答 | 0

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Loop for plot vectors
A = [20 10 80 805 82.1420812600000 20 10 80 815 82.5962426700000 20 10 80 825 83.0389831800000 20 10 80 835 83.46...

3年以上前 | 0

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how to use if loop to determine to make a plot
function output = myfcn(input1, input2, input3) if nargin < 3 doPlot = true; % Default if 3rd input is not provided else ...

3年以上前 | 1

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How can I apply an operation to every row of a matrix?
If R is e.g. a linear transformation expressed as a [2 x 2] matrix: coor = rand(162, 2); a = 2 * pi / 180; R = [cos(...

3年以上前 | 1

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Add time stamp in seconds
The text() command inserts text in an axes. Then the text is displayed on the screen. This does not modify the image in any way....

3年以上前 | 1

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Can the efficienty of this code be improved, either computationally or just in terms of lines of code?
A0 = [2; 3; 1; 2; 2; 3; 1; 2; 2; 3]; B0 = [4.10047; 7.44549; 3.62159; 6.56964; 2.87221; 4.51231; 4.01697; 5.60534; 5.5440; 7.07...

3年以上前 | 0

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How to convert matrices of different sizes in a for loop into a single column vector?
... PhaseC = cell(1, nLevels); for k = 1:nLevels ... PhaseC{k} = acos(subband./amp); end Phase = cat(2, PhaseC{:})...

3年以上前 | 0

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How to keep only a new modification in an array using for loop?
a = [1 0 0 1 1 0 0 1 0]; new = repmat(a, numel(a), 1); for j = 1:numel(a) if new(j, j) == 0 new(j, j) = 1; ...

3年以上前 | 0

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License checkout failed after cloning my HDD
Use a clone tool like CloneZilla, which duplicates the volume ID also. [EDITED] The volume ID can be modified by the computer a...

3年以上前 | 0

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How can I generate a matrix of pseudo-random floating point values from a uniform distribution(5, 8), but without range() function and other ToolBoxes?
Does this mean, that you cannot use rand()? range() is trivial to replace: rrange(2)-rrange(1)

3年以上前 | 0

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How to rename a lot of mfiles in a folder
folder = 'D:\something'; files = dir(folder); files = file(~[files.isdir]); % Files only! for k = 1:numel(files) %...

3年以上前 | 0

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Speeding up matrix operations
Matlab calls optimized libraries to solve linear algebra operations. These libraries are based on BLAS and LAPACK, but modern ve...

3年以上前 | 1

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Power of a binary matrix
If you really define the matrix multiplication with mod(A*B, 2): A = randi([0,1], 11, 11); % Test data, use your "a" tic %...

3年以上前 | 1

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Power of a binary matrix
[EDITED] This is not the multiplication wanted by the OP - I leave it for educational reasons. Assuming, that you mean the us...

3年以上前 | 1

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How to get calculated variables from ode function?
The function to be integrated computes these values. You have all required inputs as output of ODE23S already. Use them as input...

3年以上前 | 0

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How to write data horizontally in matlab using xlswrite to express meaning like excel
'A2:A4' specifies 3 elemente in a row.

3年以上前 | 0

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Automatically load a struct from a struct with a variable name
file = 'test1.mat' [~, name] = fileparts(file); values = load(file); subStruct = values.(name); a = subStruct.a; ...

3年以上前 | 0

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Problem understanding this "for" loop
Before the loop xx is pre-allocated to the maximum number of iterations. The for loop runs from 1 until MAXITER. The variable o...

3年以上前 | 1

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How to to add column 3rd+4th, 6th+7th and 9th+10th from a 8x12 matrix?
C1 = B(:, 3) + B(:, 4); C2 = B(:, 6) + B(:, 7); C3 = B(:, 9) + B(:, 10); Or maybe: C = B(:, [3,6,9]) + B(:, [4,7,10])

3年以上前 | 0

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How to filter out files with a list of specific string in UIGETFILE command?
As far as I can see, the file pattern [x] is not implemented in uigetfile: xlsfile = uigetfile('EF[AI]*.xls', 'Select Excel fil...

3年以上前 | 0

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Hold on and Hold off command keeps all plots on subsequent graphs
clear clears the variuables of the workspace. clc clears the command window. Both do not have any connection to the state of the...

3年以上前 | 0