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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...

約6年前 | 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...

約6年前 | 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')

約6年前 | 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

約6年前 | 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...

約6年前 | 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

約6年前 | 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...

約6年前 | 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(...

約6年前 | 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

約6年前 | 0

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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{:})

約6年前 | 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...

約6年前 | 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?...

約6年前 | 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...

約6年前 | 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)-(...

約6年前 | 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 =...

約6年前 | 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...

約6年前 | 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...

約6年前 | 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))

約6年前 | 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

約6年前 | 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...

約6年前 | 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...

約6年前 | 0

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

約6年前 | 0

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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)

約6年前 | 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...

約6年前 | 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...

約6年前 | 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')

約6年前 | 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...

約6年前 | 0

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

約6年前 | 0

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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...

約6年前 | 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...

約6年前 | 0

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