Answered

incorrect input to ezplot function

ezplot requires a function handle as an input whereas you are inputting a vector. Seeing as you have the results as a vector I t...

incorrect input to ezplot function

ezplot requires a function handle as an input whereas you are inputting a vector. Seeing as you have the results as a vector I t...

3 jours ago | 1

Answered

How can I concatenate two vectors?

How can I 'join vector C and signal to get a matrix? Depends on whether signal is a column vector or row vector If it's a co...

How can I concatenate two vectors?

How can I 'join vector C and signal to get a matrix? Depends on whether signal is a column vector or row vector If it's a co...

3 jours ago | 0

Answered

How to do operations on nested cell array?

This should hopefully work but i ament able to test it myself right now as I'm away from my computer. The idea is to pass onecel...

How to do operations on nested cell array?

This should hopefully work but i ament able to test it myself right now as I'm away from my computer. The idea is to pass onecel...

7 jours ago | 0

Answered

How do i plot maximum values

You weren't actually calling the function. Secondly, the function had no input argument for threshold so I've included that. I a...

How do i plot maximum values

You weren't actually calling the function. Secondly, the function had no input argument for threshold so I've included that. I a...

13 jours ago | 0

| accepted

Answered

how can i add column in matrix?

Depends what you want in that column but you could for example add a column of zeros as follows: A = [A zeros(size(A,1),1)]

how can i add column in matrix?

Depends what you want in that column but you could for example add a column of zeros as follows: A = [A zeros(size(A,1),1)]

environ un mois ago | 0

| accepted

Question

How to run checks on all rows of structure?

I want to check all the rows in the field of a structure and find out which rows are not empty. Can I get an index without using...

environ un mois ago | 1 answer | 0

Answered

Create loop for multiple excel sheets/documents

One approach would be to use a nested structure with the first level down having a fieldname for each of the files, and then eac...

Create loop for multiple excel sheets/documents

One approach would be to use a nested structure with the first level down having a fieldname for each of the files, and then eac...

environ un mois ago | 0

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Answered

Import many excel files to Matlab- How to?

If all your data files are in that folder, and only your data files are in that folder and they are formatted the same, the foll...

Import many excel files to Matlab- How to?

If all your data files are in that folder, and only your data files are in that folder and they are formatted the same, the foll...

environ un mois ago | 0

Answered

Counting black pixels in a binary image

Let's say you have a binary image B. You can get the number of black pixels by: numBlack=nnz(~B); and the number of white pixe...

Counting black pixels in a binary image

Let's say you have a binary image B. You can get the number of black pixels by: numBlack=nnz(~B); and the number of white pixe...

environ un mois ago | 1

| accepted

Answered

Add a variable to table

Hey Sarah, Let's say you have two tables, as follows: T1=table((1:10).',(10:-1:1).'); T2=table((11:20).',(20:-1:11).',(1:10)....

Add a variable to table

Hey Sarah, Let's say you have two tables, as follows: T1=table((1:10).',(10:-1:1).'); T2=table((11:20).',(20:-1:11).',(1:10)....

environ un mois ago | 0

Answered

how to conver a string to a array or matrix

You can make a 3d matrix with the third dimensions being the same size as your range. You could then generate the results as fol...

how to conver a string to a array or matrix

You can make a 3d matrix with the third dimensions being the same size as your range. You could then generate the results as fol...

environ un mois ago | 0

Answered

Is there a way to vectorize the definition of this matrix ?

Here's one way to do it in one line: z = y.*ones(n,m)==(1:n).'.*ones(n,m); I tested with the following inputs: y=1:10; n=5...

Is there a way to vectorize the definition of this matrix ?

Here's one way to do it in one line: z = y.*ones(n,m)==(1:n).'.*ones(n,m); I tested with the following inputs: y=1:10; n=5...

environ un mois ago | 0

| accepted

Answered

Intersection volume of two 3d alphashapes

Let's say you have two shapes that were developed as follows using column vectors as inputs: shp1=alphaShape(x1,y1,z1); shp2=a...

Intersection volume of two 3d alphashapes

Let's say you have two shapes that were developed as follows using column vectors as inputs: shp1=alphaShape(x1,y1,z1); shp2=a...

environ un mois ago | 0

| accepted

Answered

how to sort an array of elements corresponding to another array in increasing order ?

Have a look at the documentation for sort. You can do it as follows: [b,idx]=sort(b) a=a(idx)

how to sort an array of elements corresponding to another array in increasing order ?

Have a look at the documentation for sort. You can do it as follows: [b,idx]=sort(b) a=a(idx)

environ un mois ago | 1

| accepted

Answered

Rename field arrays of a structure that hold identical name

I'm guessing your variable is called CCD_Dyad when you load a given .mat file, so given that you have 54 by 54 matrices I would ...

Rename field arrays of a structure that hold identical name

I'm guessing your variable is called CCD_Dyad when you load a given .mat file, so given that you have 54 by 54 matrices I would ...

environ un mois ago | 0

| accepted

Answered

Check if input is a 4 element vector

if size(x,2)~=4 || ~isvector(x) || ~isnumeric(x) error('Input must be a row vector of length 4') end

Check if input is a 4 element vector

if size(x,2)~=4 || ~isvector(x) || ~isnumeric(x) error('Input must be a row vector of length 4') end

environ un mois ago | 0

Answered

video processing for motion detection

So the method I suggested was to look at a single pixel, though you could also look at a few, or the entire image histogram, up ...

video processing for motion detection

So the method I suggested was to look at a single pixel, though you could also look at a few, or the entire image histogram, up ...

environ un mois ago | 0

| accepted

Answered

How to check if a table exists?

If you have a table assigned to the variable T, then I believe you just need to write: if ~exist('T')==1 to check that it does...

How to check if a table exists?

If you have a table assigned to the variable T, then I believe you just need to write: if ~exist('T')==1 to check that it does...

environ un mois ago | 0

| accepted

Answered

Intersecting Two Lines with Varying Angle

So I understand you just want to plot two lines where there is a specific angle between them. If we take one line as line y=0, y...

Intersecting Two Lines with Varying Angle

So I understand you just want to plot two lines where there is a specific angle between them. If we take one line as line y=0, y...

environ un mois ago | 0

| accepted

Answered

Filtering data from a table. How can I save values that are higher that 0.5?

You could get an index for each chunk of data as follows: idx=find(a(:,4)>0.5) idx2=find((idx(2:end)-idx(1:end-1))~=1); idx2=...

Filtering data from a table. How can I save values that are higher that 0.5?

You could get an index for each chunk of data as follows: idx=find(a(:,4)>0.5) idx2=find((idx(2:end)-idx(1:end-1))~=1); idx2=...

environ 2 mois ago | 0

Answered

Map a 2D matrix into 3D using loop for allotment along the 3rd dimension

The best way to deal with that is to use a cell array. I've also just renamed 'end' to 'idxend' and 'i' to 'c' as these are pred...

Map a 2D matrix into 3D using loop for allotment along the 3rd dimension

The best way to deal with that is to use a cell array. I've also just renamed 'end' to 'idxend' and 'i' to 'c' as these are pred...

environ 2 mois ago | 0

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Answered

Finding the Sum of a Finite Series

Here I just use some examples for x,y and n, and also instead of 'i' I used 'c' as 'i' is designated for complex numbers. c=1; ...

Finding the Sum of a Finite Series

Here I just use some examples for x,y and n, and also instead of 'i' I used 'c' as 'i' is designated for complex numbers. c=1; ...

environ 2 mois ago | 0

Answered

How to rotate surface code

Try the view function (documentation) view(0,0)

How to rotate surface code

Try the view function (documentation) view(0,0)

environ 2 mois ago | 1

| accepted

Answered

Segmenting a vector into multiple vectors based on the time stamps

Hey Masahiro, As I understand it, you have a column vector a_Y, and a second vector hit_idx which provides indices for each seg...

Segmenting a vector into multiple vectors based on the time stamps

Hey Masahiro, As I understand it, you have a column vector a_Y, and a second vector hit_idx which provides indices for each seg...

environ 2 mois ago | 0

| accepted

Solved

Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

environ 2 mois ago

Answered

How to solve a plotting problem regarding straight lines

We don't really need all that code to answer the question. It would be much more preferable to just post some sample data. Anywa...

How to solve a plotting problem regarding straight lines

We don't really need all that code to answer the question. It would be much more preferable to just post some sample data. Anywa...

environ 2 mois ago | 0

| accepted

Answered

About simple recursion code

As I understand it you want to find the number of odd numbers from 1 to n. You shouldn't need to write a function for this, you ...

About simple recursion code

As I understand it you want to find the number of odd numbers from 1 to n. You shouldn't need to write a function for this, you ...

environ 2 mois ago | 1

| accepted

Answered

Sum N many of the same array, which are each offset by an integer M

The following should do the job: N = 3; M = 2; % Inputs A_t = [1:N N-1:-1:1]'; %single vector 1,2,3,...,N,...,3,2,1 A = zeros...

Sum N many of the same array, which are each offset by an integer M

The following should do the job: N = 3; M = 2; % Inputs A_t = [1:N N-1:-1:1]'; %single vector 1,2,3,...,N,...,3,2,1 A = zeros...

environ 2 mois ago | 0

Answered

Create multiple sub arrays in one line!

This is one way to go about it: a=strsplit(text(text~=' '),{'(',')'}) output=sprintf('%s',a{:})

Create multiple sub arrays in one line!

This is one way to go about it: a=strsplit(text(text~=' '),{'(',')'}) output=sprintf('%s',a{:})

environ 2 mois ago | 0

Answered

Loop Fuction to keep adding 1

You shouldn't need to write a function for this. I would just define your first x and y, and then n being the length: x1=1; y1=...

Loop Fuction to keep adding 1

You shouldn't need to write a function for this. I would just define your first x and y, and then n being the length: x1=1; y1=...

environ 2 mois ago | 0

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