Answered

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')

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')

circa 3 anni ago | 0

Answered

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

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

circa 3 anni ago | 0

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Answered

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...

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...

circa 3 anni ago | 0

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Answered

Create an RGB Image using a loop by choosing a random color for each pixel

no te sirve asÃ? for i=1:10 imagen=uint8(randi(255,10,10,3)); figure imshow(imagen) end

Create an RGB Image using a loop by choosing a random color for each pixel

no te sirve asÃ? for i=1:10 imagen=uint8(randi(255,10,10,3)); figure imshow(imagen) end

circa 3 anni ago | 0

Answered

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...

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...

circa 3 anni ago | 1

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Answered

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(...

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(...

circa 3 anni ago | 0

Answered

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

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

circa 3 anni ago | 0

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Answered

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{:})

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{:})

circa 3 anni ago | 0

Answered

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...

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...

circa 3 anni ago | 1

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Answered

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?...

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?...

circa 3 anni ago | 0

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Answered

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...

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...

circa 3 anni ago | 0

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Answered

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)-(...

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)-(...

circa 3 anni ago | 0

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Answered

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 =...

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 =...

circa 3 anni ago | 0

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Answered

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...

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...

circa 3 anni ago | 0

Answered

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...

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...

circa 3 anni ago | 0

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Answered

Sum two arrays using logical indices

Could it be that way? : a (or (a_logical, b_logical)) + b (or (a_logical, b_logical))

Sum two arrays using logical indices

Could it be that way? : a (or (a_logical, b_logical)) + b (or (a_logical, b_logical))

circa 3 anni ago | 0

Answered

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

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

circa 3 anni ago | 0

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Answered

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...

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...

circa 3 anni ago | 0

Answered

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...

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...

circa 3 anni ago | 0

Answered

create a new matrix that extracts the values in matrix A as stipulated in matrix B

C=B(A);

create a new matrix that extracts the values in matrix A as stipulated in matrix B

C=B(A);

circa 3 anni ago | 0

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Answered

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)

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)

circa 3 anni ago | 1

Answered

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...

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...

circa 3 anni ago | 0

Answered

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...

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...

circa 3 anni ago | 0

Answered

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')

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')

circa 3 anni ago | 0

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Answered

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...

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...

circa 3 anni ago | 0

Answered

How to copy the last row on matrix that varies with input

lastrow=matrix(end,:)

How to copy the last row on matrix that varies with input

lastrow=matrix(end,:)

circa 3 anni ago | 0

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Answered

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...

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...

circa 3 anni ago | 0

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Answered

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...

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...

circa 3 anni ago | 0

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Answered

How to find length of the ROI?

Assuming it is a Rectangular one, then it depends on what you call length in a rectangle, the ROI is defined by 4 values [xmin, ...

How to find length of the ROI?

Assuming it is a Rectangular one, then it depends on what you call length in a rectangle, the ROI is defined by 4 values [xmin, ...

circa 3 anni ago | 0

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Answered

Is anyone able to remove the display part of this function?

clear; close all; clc; xy = [ 3 12 10 8 11 14 13 16 9 19 1 15 2 4 6 1 11 3 16 5 14 17 19 18 ]; xy = xy'; ...

Is anyone able to remove the display part of this function?

clear; close all; clc; xy = [ 3 12 10 8 11 14 13 16 9 19 1 15 2 4 6 1 11 3 16 5 14 17 19 18 ]; xy = xy'; ...

circa 3 anni ago | 1