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Checking if two matrices are similar
you can check with a tolerance: tol=0.0001;%tolerance if sqrt(sum(sum((B-S*A/inv(S)).^2)))<=tol disp('It is true') else...

environ 6 ans il y a | 0

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How can I create a function with multiple variables?
y=@(a,x,z) a(1) + (a(2)./z) + (a(3).*x) + (a(4).*x.^2) + ((a(5).*x)./z) + ((a(6).*x.^2)./z); x=[0.1 0.2 0.3 0.4 0.5 0.6 0.65 0...

environ 6 ans il y a | 2

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How to Ignore the last line from a file read
s=readmatrix(filename); s(any(isnan(s),2),:)=[]; figure plot3(s(:,1),s(:,2),s(:,3),'*-r')

environ 6 ans il y a | 0

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How can you extract odd and even rows and columns from image to seperate image outputs
B=A(2:2:size(A,1),2:2:size(A,2),:);%Even Pixels Only C=A(1:2:size(A,1),1:2:size(A,2),:);%Odd Pixels Only

environ 6 ans il y a | 0

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gpuArray for vpa (variable precision arithmetic)
In this case you are going to have to sacrifice something, if you use VPA the matrices become symbolic, therefore all the operat...

environ 6 ans il y a | 0

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Create an RGB Image using a loop by choosing a random color for each pixel
no te sirve así? for i=1:10 imagen=uint8(randi(255,10,10,3)); figure imshow(imagen) end

environ 6 ans il y a | 0

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inserting vectors into another new vector
A=[7 17 27 35]; B=[13 22 30 15]; N = max(numel(A),numel(B)); C=[A nan(1,N-numel(A)); B nan(1,N-numel(B))]; C(isnan(C))=[] C...

environ 6 ans il y a | 1

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How do I plot one 3D vector arrow for all points in a 3d scatter
% creating 3d scatter plot % Load data T = table((rand(100,3))); T = [table(T.Var1(:,1),'VariableNames',{'A'}),table(T.Var1(...

environ 6 ans il y a | 0

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Represent the result of matrices manipulation as rational numbers
format rat A = [ 1/2 1/3 ; 4 5/6] B = [ 2 1/4 ; 4 1 ] C = A+B

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How would I only save variables in a list to a matlab no recursively?
n=5;%signal1 .... signal5 signallist=split(num2str(1:n,'signal%i ')); filename='here.mat'; save(filename,signallist{:})

environ 6 ans il y a | 0

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Help with creating a different type of pareto chart?
Y=[ 81 15 21 38 38 21 31 27 22 135 55 24 54 66 97 11 117 332 140 34 456 4...

environ 6 ans il y a | 1

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Move to next selection
so you don't need to place an else in the first: choice = menu("Do you want to see the opening times of this recycling centre?...

environ 6 ans il y a | 0

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How to read multiple video from a folder....?
s=dir('*.avi'); files={s.name}; for k=1:numel(files) v= VideoReader(files{k}); j=0; while %condition %yourcodehere en...

environ 6 ans il y a | 0

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How do I produce a plot as a line, not just single points?
solution: figure; %hold on; deltaH=-20; R=0.001987; T1=305; Kc1=1000; T=300:10:600; Kc=Kc1.*exp(-(deltaH/R).*((1./T)-(...

environ 6 ans il y a | 0

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How to save output from loops into matrix w/o using vector input?
test it %% Load Matlab Directory myFolder = pwd; % Wherever you want. filePattern = fullfile(myFolder, '*.mat*') theFiles =...

environ 6 ans il y a | 0

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My code keeps saying the variable u appears to be changing as well as index exceeds the number of array elements(1). Could someone help me with this
correction: L = 1 % length of domain in x direction tmax = 10 % end time nx = 11 % number of nodes in x direction nt = 1...

environ 6 ans il y a | 0

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Difference between "mesh" plot and "plot3" graphs
The main notable difference is that mesh draws a three-dimensional surface while plot3 only draws three-dimensional lines, you c...

environ 6 ans il y a | 1

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Sum two arrays using logical indices
Could it be that way? : a (or (a_logical, b_logical)) + b (or (a_logical, b_logical))

environ 6 ans il y a | 0

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saving to cell2mat without overwriting
x = B(:,2) A=[]; for i=3: length(B) y = B(:,i) [fitresult, gof] = createFit(x, y) A=[A cell2mat(struct2cell(gof))] end

environ 6 ans il y a | 0

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How can I use Textbox input from GUI in a separate script?
you can simply call the function at the end, without the extension .m and it must be in the same folder of the graphical interfa...

environ 6 ans il y a | 0

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why save '.mat' as 'ascii' file appears as FILE instead of txt
because the computer has to be guided by the file extension to know what each thing is, all the .mat files are going to open wit...

environ 6 ans il y a | 0

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create a new matrix that extracts the values in matrix A as stipulated in matrix B
C=B(A);

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How to swap array element from two arrays conditionally
C=A; C(B~=0)=B(B~=0) also could help you: C=max(A,B)

environ 6 ans il y a | 1

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Reading in data from files in for loop
%var def% lopoff = 1034; %initial data point sample_stopcount = 41000; %last data point folder = uigetdir('C:\Users\me\Docume...

environ 6 ans il y a | 0

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feval problem Too many inputs to inline function.
a=0 b=2 y=5 x=1/2 f1=inline('(1+x^2)/(sqrt(x)+3)') f2=inline('(1+x^2)/(sqrt(x)+3)') f3=inline('(1+x^2)/(sqrt(x)+3)') f4=i...

environ 6 ans il y a | 0

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How can i locate where two column values are the same in a row?
a=[1 2 3 4 4 4 4]; s=find([diff(a) 1]==0,1,'first')

environ 6 ans il y a | 0

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Add a command for unique permutations
you can make list = unique (InitialPopulation (60,3), 'rows') but it would no longer be 60 in size On the other hand if y...

environ 6 ans il y a | 0

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How to copy the last row on matrix that varies with input
lastrow=matrix(end,:)

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Find the unique pair of coordinates in matrix and depending on the distance matrix, retain the minimum distance matrix and replace the other coordinate pair by NaN
a solution: [uv,~,idx] = unique(R,'rows'); v = accumarray(idx,distance,[],@min); eliminate=~ismember([R distance],[uv v],'ro...

environ 6 ans il y a | 0

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weight and bias values i get from trained neural network is mistake?
It is not the same because Matlab does a normalization procedure of the variables so if you want to do it manually it would be l...

environ 6 ans il y a | 0

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