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# Rafael Freire

### Institute of Chemistry/University of São Paulo State-Brazil

41 total contributions since 2011

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Question

Save a figure in pdf that is possible to zoom in like .fig file.
I have de figure below. It is a HCA with more than 4000 samples. Is it possible to save a figure in pdf that will be able to zo...

1 year ago | 1 Answers | 0

### 1

Question

How can I get the values for the distances between samples in a HCA
Let´s consider we have the folowing HCA data = randi(1000,10,30); HCA_Number_of_Clusters=3; dist = pdist(data, 'eucl...

1 year ago | 0 Answers | 0

### 0

Question

Problem to save a variable to a .mat file
When I try to save my workspace i got this message Warning: Variable 'Colunas2D' cannot be saved to a MAT-file whose v...

2 years ago | 2 Answers | 0

### 2

Reduce the size of a vector
This is what I wanted...Thank you guys a=resample(b, 45001,36001);

2 years ago | 0

| accepted

Question

Reduce the size of a vector
I wanto to convert a vector 1x45000 to a vector 1x36000 and a vector of 1x27000 to a vector 1x36000 How can I do it?

2 years ago | 2 Answers | 0

### 2

Question

Change the color label of a single (or multiple variable)s in the HCA dendrogram plot
Hi Guys, i have this situation: dendrogram(link , 0,'labels', names,'colorthreshold', color,'orientation','right') ...

3 years ago | 0 Answers | 0

### 0

Question

How can I plot an image in matlab. This is giving me a Black png image!
URL ='http://structures.wishartlab.com/molecules/HMDB00126/image.png' filename='test.png' urlwrite(URL,filename) [y,z...

3 years ago | 1 Answers | 0

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Question

How can I plot an image centering in a branch ( or "arm" or bracket) of a dendrogram?
I would like to plot several images each one centered in the branch of the same dendrogram, so for a branch(call like this is co...

3 years ago | 0 Answers | 0

### 0

Question

Can I label a dendrogram with an image?
I was wondering that if I can label a dendrogram with a image instead numbers or strings?

3 years ago | 0 Answers | 0

### 0

How to do a Quiver plot between two data sets?
D=P2-P1 figure for k=1:length(P1); hold on; quiver(P1(k,2), P1(k,1), D(k,2),D(k,...

4 years ago | 0

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Question

How to do a Quiver plot between two data sets?
How i make a quiver plot between each dot in the same line dot P1(1,:) with P2(1,:); P1(2,:) with P2(2,:) and on.... P...

4 years ago | 1 Answers | 0

### 1

Question

Plot values exception [x1 x2 x3 ...]
I have x=1:100 and xx=[2 5 8 13 14 25 46 78 97 99] (whatever) How to plot(x, '.b') (or scatterplot) to suppress xx values on...

4 years ago | 1 Answers | 0

### 1

Question

Can I create a standalone(compiler) using matlab under the windows to run in a mac pc?
Can I create a standalone using matlab under the windows to run in a mac pc?

4 years ago | 1 Answers | 0

### 1

Power Point File
open 'C:\path\file.pptx'

4 years ago | 0

| accepted

Question

sum error
Why i got this error? shiftedC=-0.4 ??? Error using ==> plus Matrix dimensions must agree. Error in ==> reco...

5 years ago | 1 Answers | 0

### 1

Question

Store a variable in a loop
How 1 store a variable in this loop for i=[0 0.01 0.5 0.6 1 1.2 1.5] stored(i, 1)=1+i end best regards

5 years ago | 1 Answers | 0

### 1

Question

Quiver plot between 2 dots.
How to plot a quiver between P1=[ 0.85 4.87] P2=[ 0.88 4.88] best regards

5 years ago | 1 Answers | 0

### 1

Question

Dealing with plots, manipulation of the axis and the view
i have the folow data solvente=[5483 554 4012 69 776 64 939 74 1112 13 254 24 934 85 1121 13 242 21 1735 158 1140 23 2...

5 years ago | 1 Answers | 0

### 1

Question

Storage of a loop from negative number
How i can storage a loop from negative number For example I have the below loop for x=-1.5:0.01:1.5 for y=-1.5:0.01:1.5...

5 years ago | 3 Answers | 0

### 3

To save, to mark or put on a favorite folder answers (from other peoples) that you think that is interesting to you.

5 years ago | 0

Question

Use a textscan to read information from a mass spectra file
How a create a function to do a textscan, to read and organizate the values. SPECTRUM - MS,Freire_CBA25_esineg20V_1...

5 years ago | 1 Answers | 0

### 1

Question

Match values of the standart with the sample. (pattern recogniton)
I have those vectors above. A=sample, a,b,c=standart The value zero is when the sample don't have the variable an the value one ...

5 years ago | 1 Answers | 0

### 1

Question

Unfold cell
How i can unfold a cell into a vector cell{1,1}=[10 20 30] cell{1,2}=[40 50 60] cell{1,3}=[70 80 90] cell{1,4}=[10...

5 years ago | 1 Answers | 0

### 1

Question

Set nan values
Why i can´t do this? x550(:,2)(x550(:,2)<200)=nan ??? Error: ()-indexing must appear last in an index expression. ...

5 years ago | 2 Answers | 0

### 2

Question

How can I count the number of times a number appear in a vector?
How can I count the number of times a number appear in a vector? A=[ 1 2 3 1 1 6 3 4 2 2 1 1 1 ] 1 appears 7 times 2 appear...

5 years ago | 3 Answers | 0

### 3

Question

Natural number determination
In a vector how a determinate if the values is a natural number or not A=[ 1 2.2 3 5 6 8.8 9.6 ]

5 years ago | 3 Answers | 0

### 3

Question

Convert a string cell value to representative datas
test{1,1}=['0,+,ESI,ms1,-,line,1.1-790.4,275,1.1 41,1.2 30,1.6 10,1.7 24'] test{2,1}=['0.0505163,+,ESI,ms1,-,line,1.1-834.0...

5 years ago | 1 Answers | 0

### 1

Make a string variable from a path in computer without have to type it manually
[pathNames, dirNames, fileNames] = dirwalk('C:\Users\Windows\Desktop\FID RMN BASE DE DADOS\H\') http://www.mathworks.com/ma...

5 years ago | 0

| accepted

Question

Make a string variable from a path in computer without have to type it manually
the path to reach the files in my computer is: C:\Users\Windows\Desktop\FID RMN BASE DE DADOS\H\ioanis_NAME*OF*THE*SA...

5 years ago | 1 Answers | 0

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