Question

statistical significance at the 95% confidence level

Hello, I have two learning algorithm LA1 and LA2. I ran these two learning algorithms on 5 datasets and got 10 numbers (5 fo...

bijna 4 jaar ago | 1 answer | 0

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Assigning a new data point to a cluster in hierarchical clustering

If you know your maxclust is 2, then just use 2-means. Hierarchical clustering and linkage will give you an insight about the nu...

Assigning a new data point to a cluster in hierarchical clustering

If you know your maxclust is 2, then just use 2-means. Hierarchical clustering and linkage will give you an insight about the nu...

ongeveer 4 jaar ago | 0

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Answered

Use equation in for loop

data = rand(100,2); % just for an example [nrows,ncols] = size(data); total = 0; for m=1:nrows-1 total...

Use equation in for loop

data = rand(100,2); % just for an example [nrows,ncols] = size(data); total = 0; for m=1:nrows-1 total...

ongeveer 4 jaar ago | 1

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Answered

"solve" bug?

It gives you the first integer number that meets the criteria (f<0) which is -5 (for -4 you should write f<=0). Matlab is not a ...

"solve" bug?

It gives you the first integer number that meets the criteria (f<0) which is -5 (for -4 you should write f<=0). Matlab is not a ...

ongeveer 4 jaar ago | 0

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I am trying to write a matlab code to check a solved 9X9 sudoku problem. I can't seem to get it to work. Any ideas where I went wrong?

It works fine ! m = randi(9,9,9); valid = (size(m) == [9, 9]); if (~valid) fprintf('Sudoku: size must be 9x9...

I am trying to write a matlab code to check a solved 9X9 sudoku problem. I can't seem to get it to work. Any ideas where I went wrong?

It works fine ! m = randi(9,9,9); valid = (size(m) == [9, 9]); if (~valid) fprintf('Sudoku: size must be 9x9...

ongeveer 4 jaar ago | 0

Answered

How could I make these functions as a loop?

It is not a good idea to use this kind of coding, but the following code will do what you want. for i = 1:5 a = s...

How could I make these functions as a loop?

It is not a good idea to use this kind of coding, but the following code will do what you want. for i = 1:5 a = s...

ongeveer 4 jaar ago | 0

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Answered

printf newline not working

I could not understand the question. You have 20 words that you would like to put a new line after each of them, is it correct? ...

printf newline not working

I could not understand the question. You have 20 words that you would like to put a new line after each of them, is it correct? ...

ongeveer 4 jaar ago | 0

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How to plot data point by point and erasing the last one?

I have done pretty much animated plot with Matlab, What you need is a little trick !! y=[1,3,2,3,3]; n=numel(y) figur...

How to plot data point by point and erasing the last one?

I have done pretty much animated plot with Matlab, What you need is a little trick !! y=[1,3,2,3,3]; n=numel(y) figur...

ongeveer 4 jaar ago | 0

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Answered

How do I do weighted classification?

It depends on your evaluation criteria and does not have a straight forward answer. I suggest you to try them and see which give...

How do I do weighted classification?

It depends on your evaluation criteria and does not have a straight forward answer. I suggest you to try them and see which give...

ongeveer 4 jaar ago | 0

Answered

How do I do weighted classification?

You can easily change 'prior' to 'uniform'. 'uniform' sets all class probabilities equal. The default value is 'empirical' which...

How do I do weighted classification?

You can easily change 'prior' to 'uniform'. 'uniform' sets all class probabilities equal. The default value is 'empirical' which...

ongeveer 4 jaar ago | 0

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Answered

Why i got different standard deviation values when i apply these command for matrix called as M?

The differences are just on the border of the image. The reason is that colfilt and stdfilt handle the border pixels differentl...

Why i got different standard deviation values when i apply these command for matrix called as M?

The differences are just on the border of the image. The reason is that colfilt and stdfilt handle the border pixels differentl...

meer dan 4 jaar ago | 0

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Answered

why is an error in this matrix??

Your vectors in c1 are m*1 matrices, so you should make n*1 zeros matrices instead of 1*n. M_column=cell2mat(cellfun(@(x)[z...

why is an error in this matrix??

Your vectors in c1 are m*1 matrices, so you should make n*1 zeros matrices instead of 1*n. M_column=cell2mat(cellfun(@(x)[z...

meer dan 4 jaar ago | 0

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Answered

Finding the first zero element in a row and fill the entire row with the last non zero element

It is my fastest way so far. Adding one column of zero at the end, finding the minimum of each row (which would be the first zer...

Finding the first zero element in a row and fill the entire row with the last non zero element

It is my fastest way so far. Adding one column of zero at the end, finding the minimum of each row (which would be the first zer...

meer dan 4 jaar ago | 0

Question

Finding the first zero element in a row and fill the entire row with the last non zero element

I have an m*n matrix which has only zeros and natural numbers. If there is a zero in a row, all the remaining elements after the...

meer dan 4 jaar ago | 2 answers | 0

Answered

What would I need to make 'i' allow all matrices?

prompt = 'Give a matrix of 4x4: '; flag = 0; while flag ==0 x = input(prompt); [m,n] = size(x); if ...

What would I need to make 'i' allow all matrices?

prompt = 'Give a matrix of 4x4: '; flag = 0; while flag ==0 x = input(prompt); [m,n] = size(x); if ...

meer dan 4 jaar ago | 0

Answered

What would I need to make 'i' allow all matrices?

prompt = 'Give a matrix of 4x4: '; x = input(prompt); [m,n] = size(x); if m~=4 | n~= 4 disp('The matrix is not...

What would I need to make 'i' allow all matrices?

prompt = 'Give a matrix of 4x4: '; x = input(prompt); [m,n] = size(x); if m~=4 | n~= 4 disp('The matrix is not...

meer dan 4 jaar ago | 0

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Answered

Hi i am getting Index out of bounds error pls help me solve it

So, you should not attempt to get b(1,59) when the size of b is (93,58) !!!

Hi i am getting Index out of bounds error pls help me solve it

So, you should not attempt to get b(1,59) when the size of b is (93,58) !!!

meer dan 4 jaar ago | 0

Answered

trying to use 'readtable' command to read txt, file, but I couldn't specify the 'range' option

Yes, Range is for spreadsheet files only.

trying to use 'readtable' command to read txt, file, but I couldn't specify the 'range' option

Yes, Range is for spreadsheet files only.

meer dan 4 jaar ago | 1

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Answered

How can I scan a text file in order to read a specific number in a line?

See the attachment for test.txt and put it in the current directory. fileID = fopen('test.txt'); A = textscan(fileI...

How can I scan a text file in order to read a specific number in a line?

See the attachment for test.txt and put it in the current directory. fileID = fopen('test.txt'); A = textscan(fileI...

meer dan 4 jaar ago | 0

Answered

Can the difference between impulse(sys) and plot(sys) be graphed?

Just feed a subtracter block with them (and abs block if you need the absolute value) and plot the difference. Just note that th...

Can the difference between impulse(sys) and plot(sys) be graphed?

Just feed a subtracter block with them (and abs block if you need the absolute value) and plot the difference. Just note that th...

meer dan 4 jaar ago | 0

Answered

Data filtering one-second averages

Load your data in a matrix which the name is Data, then EndSecond = 3; NewData = zeros(EndSecond+1,5); for i = 0:En...

Data filtering one-second averages

Load your data in a matrix which the name is Data, then EndSecond = 3; NewData = zeros(EndSecond+1,5); for i = 0:En...

meer dan 4 jaar ago | 0

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Answered

I have a data set of 400 columns and 644rows .I need to select columns 1,2,11,12,21,22,.....381,382,391,392 or move these particular columns in to a matrix.how can i write code for this in matlab

A = 1:20; M1 = A([1,2,11,12]); M2 = setdiff(A,M1);

I have a data set of 400 columns and 644rows .I need to select columns 1,2,11,12,21,22,.....381,382,391,392 or move these particular columns in to a matrix.how can i write code for this in matlab

A = 1:20; M1 = A([1,2,11,12]); M2 = setdiff(A,M1);

meer dan 4 jaar ago | 0

Answered

How to do subplot loop?

M = rand(100,72); % make 72 variable to plot for i=1:24 figure for j=1:3 subplot(1,3,j) ...

How to do subplot loop?

M = rand(100,72); % make 72 variable to plot for i=1:24 figure for j=1:3 subplot(1,3,j) ...

meer dan 4 jaar ago | 1

Answered

How to save all data from a loop in excel?

Instead of writing each column in an excel file (which takes a lot of time, since each time you should get access to memory) it ...

How to save all data from a loop in excel?

Instead of writing each column in an excel file (which takes a lot of time, since each time you should get access to memory) it ...

meer dan 4 jaar ago | 0

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Answered

store data from for cycle

you should simply use two for: m =5; n=7; Mat = zeros(m,n); for i = 1:m for j = 1:n Mat(...

store data from for cycle

you should simply use two for: m =5; n=7; Mat = zeros(m,n); for i = 1:m for j = 1:n Mat(...

meer dan 4 jaar ago | 0

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Answered

Deleting legends from subplot

Open your figure and type in the command line: legend('hide') If you have many figures, put this in a loop and save the ...

Deleting legends from subplot

Open your figure and type in the command line: legend('hide') If you have many figures, put this in a loop and save the ...

meer dan 4 jaar ago | 0

Answered

"Subscripted assignment dimension mismatch" when using a for loop

There is a mismatch here: flipud(y(i-L+1:i,1))' * g(:,it); You have a L*1 matrix (flipud(y(i-L+1:i,1))) and you are tran...

"Subscripted assignment dimension mismatch" when using a for loop

There is a mismatch here: flipud(y(i-L+1:i,1))' * g(:,it); You have a L*1 matrix (flipud(y(i-L+1:i,1))) and you are tran...

meer dan 4 jaar ago | 1

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Answered

How do i tell if an image has a shadow or not?

It is like someone come here and ask you how can I do face detection with Matlab! There are 88,500 of papers (search it in googl...

How do i tell if an image has a shadow or not?

It is like someone come here and ask you how can I do face detection with Matlab! There are 88,500 of papers (search it in googl...

meer dan 4 jaar ago | 0