Answered

How do I create a vector by repeating a vector

A = [1; 2] ; B = repmat(A,2,1)

How do I create a vector by repeating a vector

A = [1; 2] ; B = repmat(A,2,1)

5 dagen ago | 1

Answered

Saving Table in Excel while in loop

Loop is not needed, you can striaght away write the matrix into excel. writematrix(AllMI,'test.xlsx');

Saving Table in Excel while in loop

Loop is not needed, you can striaght away write the matrix into excel. writematrix(AllMI,'test.xlsx');

5 dagen ago | 0

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Answered

How to save output images after preprocessing into new folder sequentially without overwriting?

infolder = '' % give the path of the folder where your RGB images are present outfolder = '' % give the path of the folder...

How to save output images after preprocessing into new folder sequentially without overwriting?

infolder = '' % give the path of the folder where your RGB images are present outfolder = '' % give the path of the folder...

5 dagen ago | 0

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Answered

Invalid Training data. The Output size of the last layer does not match the reponse size

This is due to number of filters at Final-convolution layer. DEfault it has number of filters as 2, you need to change it to 1. ...

Invalid Training data. The Output size of the last layer does not match the reponse size

This is due to number of filters at Final-convolution layer. DEfault it has number of filters as 2, you need to change it to 1. ...

5 dagen ago | 0

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Answered

Help with symbolic substitution

Why don't you use anonymous function ? zz = @(x) (x(1) + x(2) + x(3))^2/(x(1)^2 + x(1)*x(2) + x(1)*x(3)) ; % Generate a rando...

Help with symbolic substitution

Why don't you use anonymous function ? zz = @(x) (x(1) + x(2) + x(3))^2/(x(1)^2 + x(1)*x(2) + x(1)*x(3)) ; % Generate a rando...

6 dagen ago | 0

Answered

Compare elements of an array with all elements in a matrix

No loop needed. You can use straight away like shown: P = randn(18,10); C = randn(1,10); C1 = repmat(C,18,1) ; idx = C1 >...

Compare elements of an array with all elements in a matrix

No loop needed. You can use straight away like shown: P = randn(18,10); C = randn(1,10); C1 = repmat(C,18,1) ; idx = C1 >...

6 dagen ago | 0

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Answered

Reading and Processing Many Text Files

txtFiles = dir('*.txt') ; N = length(txtFiles) ; for i = 1:N thisFile = txtFiles(i).name ; fid1 = fopen(thisFile)...

Reading and Processing Many Text Files

txtFiles = dir('*.txt') ; N = length(txtFiles) ; for i = 1:N thisFile = txtFiles(i).name ; fid1 = fopen(thisFile)...

6 dagen ago | 0

Answered

Variable out_vec must be of size [1 3]. It is currently of size [1 20]. Check where the variable is assigned a value.

x = 1:20 ; idx = sort(randperm(length(x),3)) ; % select randomly x(idx)

Variable out_vec must be of size [1 3]. It is currently of size [1 20]. Check where the variable is assigned a value.

x = 1:20 ; idx = sort(randperm(length(x),3)) ; % select randomly x(idx)

6 dagen ago | 0

Answered

Accessing elements in a structure

file = dir('*.mat'); %fine all the .mat files num_files = length(file); %record how many files have been found [~, index] = na...

Accessing elements in a structure

file = dir('*.mat'); %fine all the .mat files num_files = length(file); %record how many files have been found [~, index] = na...

6 dagen ago | 0

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Answered

Fit data to array values

x = 1:5 ; y = [0.987,0.95,1.06,1.02,1.04] ; p = polyfit(x,y,2) ; yi = polyval(p,x) ; figure hold on plot(x,y,'.r') pl...

Fit data to array values

x = 1:5 ; y = [0.987,0.95,1.06,1.02,1.04] ; p = polyfit(x,y,2) ; yi = polyval(p,x) ; figure hold on plot(x,y,'.r') pl...

6 dagen ago | 0

Answered

keep getting Index exceeds matrix dimensions.

The error is clear.....you are trying to extract more number of elements than present from an array. EXample: A = rand(1,5) ;...

keep getting Index exceeds matrix dimensions.

The error is clear.....you are trying to extract more number of elements than present from an array. EXample: A = rand(1,5) ;...

6 dagen ago | 0

Answered

To find Maximum value and minimum value for each group of four rows for a 180*1 matrix

A = rand(180,1) ; B = reshape(A,12,[])' ; themax = max(B) ; themin = min(B) ;

To find Maximum value and minimum value for each group of four rows for a 180*1 matrix

A = rand(180,1) ; B = reshape(A,12,[])' ; themax = max(B) ; themin = min(B) ;

6 dagen ago | 0

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Answered

How to generate a matrix of random decimal values from -1 to 1?

format long A = single(rand(3)) ; fmt = [repmat(' %0.6f',1,3),'\n']; fprintf(fmt,A)

How to generate a matrix of random decimal values from -1 to 1?

format long A = single(rand(3)) ; fmt = [repmat(' %0.6f',1,3),'\n']; fprintf(fmt,A)

6 dagen ago | 0

Answered

adding data to a cell array without loosing the order

idx = 1:24000; id = reshape(idx,5,[])' ; [m,n] = size(id) ; C = cell(m,n) ; for i = 1:m for j = 1:n C{i,j} =...

adding data to a cell array without loosing the order

idx = 1:24000; id = reshape(idx,5,[])' ; [m,n] = size(id) ; C = cell(m,n) ; for i = 1:m for j = 1:n C{i,j} =...

6 dagen ago | 0

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Answered

given two matrices find the indices of B in A

Read about ismember, in there you can specify the option of rows. https://in.mathworks.com/help/matlab/ref/double.ismember.htm...

given two matrices find the indices of B in A

Read about ismember, in there you can specify the option of rows. https://in.mathworks.com/help/matlab/ref/double.ismember.htm...

6 dagen ago | 0

Answered

Getting an array of points along an arc

clc; clear all ; figure; a = [124.0102 62.2260]; b = [33.3602 77.9434]; r=250; syms x y [x,y]=solve((x-a(1))^2+(y-a(2)...

Getting an array of points along an arc

clc; clear all ; figure; a = [124.0102 62.2260]; b = [33.3602 77.9434]; r=250; syms x y [x,y]=solve((x-a(1))^2+(y-a(2)...

6 dagen ago | 0

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Answered

How to scatter3 row vector with different colors

LEt A be your 3*510 matrix. x = A(1,:) ; y = A(2,:) ; z = A(3,:) ; scatter(x,y,10,z,'.'); If you want to use scatter3. ...

How to scatter3 row vector with different colors

LEt A be your 3*510 matrix. x = A(1,:) ; y = A(2,:) ; z = A(3,:) ; scatter(x,y,10,z,'.'); If you want to use scatter3. ...

6 dagen ago | 0

Answered

combined Filled area and contour plotting

Refer here: https://in.mathworks.com/matlabcentral/answers/412639-creating-surface-plot-from-a-matrix-with-3-columns

combined Filled area and contour plotting

Refer here: https://in.mathworks.com/matlabcentral/answers/412639-creating-surface-plot-from-a-matrix-with-3-columns

6 dagen ago | 0

Answered

Change the value in multiple text file?

You need not to take a loop, you can straight away use the logical indexing. ZEE=xlsread('zee.xlsx','Area','B2:MP138'); ZEE=Z...

Change the value in multiple text file?

You need not to take a loop, you can straight away use the logical indexing. ZEE=xlsread('zee.xlsx','Area','B2:MP138'); ZEE=Z...

7 dagen ago | 0

Answered

Generate training progress plot from saved trained model

[testnet,traininfo] = trainNetwork(augimdsTrain,lgraph,options); save('data.mat','testnet','traininfo') traininfo has the deta...

Generate training progress plot from saved trained model

[testnet,traininfo] = trainNetwork(augimdsTrain,lgraph,options); save('data.mat','testnet','traininfo') traininfo has the deta...

7 dagen ago | 0

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Answered

Is it possible to create a road at once in shp file data?

S = shaperead(filename) ; P = [[S(:).X]' [S(:).Y]'] ; plot(P(:,1),P(:,2))

Is it possible to create a road at once in shp file data?

S = shaperead(filename) ; P = [[S(:).X]' [S(:).Y]'] ; plot(P(:,1),P(:,2))

7 dagen ago | 0

Answered

Creating hourly average data with geographic coordinates to produce 3D matrix

T = readtable('New Text document.txt') ; t = T.hour ; lon = T.lon ; lat = T.lat ; temp = T.temp ; [c,ia,ib] = uniqu...

Creating hourly average data with geographic coordinates to produce 3D matrix

T = readtable('New Text document.txt') ; t = T.hour ; lon = T.lon ; lat = T.lat ; temp = T.temp ; [c,ia,ib] = uniqu...

7 dagen ago | 0

Answered

how to plot by varying initial conditions

function myfun() %plot n vs x n vs y R = cell(10,1) ; figure hold on for n=1:10 [t,r]=ode45(@fn,[0 140],[0.01+n 0.01 ]) ;...

how to plot by varying initial conditions

function myfun() %plot n vs x n vs y R = cell(10,1) ; figure hold on for n=1:10 [t,r]=ode45(@fn,[0 140],[0.01+n 0.01 ]) ;...

8 dagen ago | 0

Answered

scatter3 color projection

clc; clear all ; load('test_data.mat') x=test(:,1); y=test(:,2); z=test(:,3); figure scatter(x,y,1000,z,'s','filled'); ...

scatter3 color projection

clc; clear all ; load('test_data.mat') x=test(:,1); y=test(:,2); z=test(:,3); figure scatter(x,y,1000,z,'s','filled'); ...

8 dagen ago | 0

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Answered

How to make scatter

Fit striaght line to the given data using polyfit. Plot the line using plot function. Use hold on Plot the given data using ...

How to make scatter

Fit striaght line to the given data using polyfit. Plot the line using plot function. Use hold on Plot the given data using ...

9 dagen ago | 1

Answered

2D Colored Plot

You can get the indices of the required values and plot them with different colors. x = 0:.05:2*pi; y = sin(x); figure hold...

2D Colored Plot

You can get the indices of the required values and plot them with different colors. x = 0:.05:2*pi; y = sin(x); figure hold...

9 dagen ago | 1

Answered

How to search closest coordinate values in a Lat Long Z data

Read about knnsearch. https://in.mathworks.com/help/stats/knnsearch.html

How to search closest coordinate values in a Lat Long Z data

Read about knnsearch. https://in.mathworks.com/help/stats/knnsearch.html

10 dagen ago | 0

Answered

How to set specific colors in horizontal error bars?

h = herrorbar(x,y,z) ; Check the handle h, it has options to change color. You may play around with that. Like: h(1).Color =...

How to set specific colors in horizontal error bars?

h = herrorbar(x,y,z) ; Check the handle h, it has options to change color. You may play around with that. Like: h(1).Color =...

10 dagen ago | 0

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Answered

how to solve the error "Unable to perform assignment because the indices on the left side are not compatible with the size of the right side"

The error is clear, this error pops out when you are trying to save more number of elements than the initialized array. Exampl...

how to solve the error "Unable to perform assignment because the indices on the left side are not compatible with the size of the right side"

The error is clear, this error pops out when you are trying to save more number of elements than the initialized array. Exampl...

10 dagen ago | 0