# Rub Ron

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**Content Feed**

Question

Find returns empty with inconsistent size

I have a variable x, that is a vector with a variable number of elements. When applying the function find(x>0), for: find([-1...

12 months ago | 2 answers | 0

### 2

answersQuestion

Plot connected vertical points with different marks

I have a vector x=[ 1 2 3 4], and a matrix of size: 3x4. I want to plot something like this: Update: the number of vertical ...

12 months ago | 2 answers | 0

### 2

answersQuestion

set order of elseif

Updated. I have this code structure inside a loop. x, y and z are 1/0 variables. In this case the order of the elseif stateme...

1 year ago | 3 answers | 0

### 3

answersQuestion

One/zero Matrix, merge subset of columns

Say I have this matrix of ones and zeros, 10x6: x= [ 0 0 0 1 0 0 0 1 1 1 1 1 0 1 1 0 1 1 0 0 0 0 ...

1 year ago | 2 answers | 1

### 2

answersQuestion

Boxplot inside a bar graph.

Say I have a bar graph with two groups, and 4 bars in each group: bar(rand(2,4)) I would ike to plot a boxplot (or else a bunc...

1 year ago | 1 answer | 0

### 1

answerHow to make a certain percentage of values in an existing matrix, between a set range of values. Probably easy but I am a newbie.

What about this: size=[25,10]; Score=randi([50,100],size); my_percentage = 10; my_piece = prod(size)...

2 years ago | 0

| accepted

alternative to groupcounts function

I found this way. I hope someone can provide nicer way. Original: [xx,yy] = groupcounts(temp); Alternative: [xx0,yy] = find...

2 years ago | 0

| accepted

Question

alternative to groupcounts function

I have made a script which I used groupcounts() function. The pc where the script is running is previous to 2019. So that fun...

2 years ago | 2 answers | 0

### 2

answersQuestion

string cell array inside a graph

Say I have this: C = {'a';'b';'c';'d';'e'}; s = [1 1 2 3 1]; t = [2 2 3 4 4]; G = graph(s,t); G.Edges.Label = C; With...

2 years ago | 1 answer | 0

### 1

answerQuestion

sscanf with cell array of strings

Say I have a cell array: C = {'2_5_7';'10_2_6';'4_3_7';'3_10_11';'3_16_11'}; To extract one row as a vector of number I was us...

2 years ago | 2 answers | 0

### 2

answersQuestion

unique vector with restrictions

Say I have these vector: head_1=[1 6]; body_1=[1 4 5 6 8 9 15]; head_2=[7 9 13]; body_2=[5 7 8 9 13 20 30]; head_3=[20 ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Making own android apps with Matlab pros and cons

I just learnt that is possible to make apps for android mobiles writing the “core” code in Matlab. I would like to know what sor...

2 years ago | 1 answer | 0

### 1

answerHow to turn a 1x32 array into a 1x1 array?

Perhpas this? Say v is your 188583x32 matrix: v = magic(5); v_final = join(sprintfc('%d',v),'');

2 years ago | 1

| accepted

How can I set x-variable cutoffs using a script to include or exclude points

x = [40 ; 42; 43 ; 50; 52; 60; 70; 71 ; 73; 80]; y = [12 ; 3; 5 ; 20; 21; 26; 3; 10; 1; 15]; xy = [x y]; v = [0; diff(x)<3]';...

2 years ago | 0

What frustrates you about MATLAB? #2

That the edges of a grah cannot be sorted.

2 years ago | 0

Create new column in Table based on conditions

Cleared = {'yes';'no';'yes';'no';'yes'}; Price = [38;43;38;40;49]; Units = [71;69;64;67;64]; T = table(Cleared,Price,Units);...

2 years ago | 0

| accepted

Question

K-th order neighbors in graph

I would like to do this, but in Matlab with a graph (it is not a directed graph): https://stackoverflow.com/questions/18393842/k...

2 years ago | 4 answers | 0

### 4

answersAcquiring corresponding Columns of Data when a condition is met

If I understood correctly, you are trying to obtain the values of the first column which has 'accepted' status. If so, try this:...

2 years ago | 1

Question

Improve use of structure in function

I have the following lines: for x=1:800 for y=1:500 [mystruct(y).I] = ... inside...

2 years ago | 1 answer | 0

### 1

answerQuestion

sortrows graph edges .

I have a graphs G. The G.Edges has 300 elements. I would like to sort the edges of my graph based on a given index (of size 300x...

2 years ago | 2 answers | 0

### 2

answersQuestion

Exporting figure to image and being able to zoom in

Hello, I have placed multiple grids (grid: nodes connected by edges) in a single figure. With tool>restore view, each of the g...

2 years ago | 1 answer | 0

### 1

answerQuestion

Plot graph with different markers

Hello, I have a graph G lets say with 100 egdes and 40 nodes. The G.nodes are of 3 types stored in a vector type (40x1). How can...

2 years ago | 1 answer | 0

### 1

answerQuestion

Issue with precision using days function

I have a varriable x (this x was generated by reading an excel file). Using variable explorer I can see: x=0.465277777777778. ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Position of the left nearest one value in a vector

I have a vector of ones and zeros of this form: v = [0 0 1 0 0 0 1 1 1 1 0 0 1 1 0 0 0 0 0 1 0]; how can I get a vector with th...

3 years ago | 3 answers | 0

### 3

answersRetime timetable out of bounds

For an strange reason copying data from one timetable to another as it was doing in this line, it's a time consuming ejecution (...

3 years ago | 0

Question

Retime timetable out of bounds

I have a set of timetables inside a cell TT, each of them with a resolution of 15 minutes, the timetables have different starts ...

3 years ago | 3 answers | 1

### 3

answersQuestion

retime only for specific gaps on time

I have a timetable z with more than 10 000 rows, this timetable should have a resolution of 15 minutes, but there are gaps of fo...

3 years ago | 1 answer | 0

### 1

answerQuestion

From matrix to timetable

I have a matrix bb (class:double), where the first column is the time in numeric format. I want to convert this matrix to a time...

3 years ago | 1 answer | 0

### 1

answerQuestion

Plot matrix with columns of same color

I have this plot: I would like to have all the points of the same x-axis to be of the same color, and to change the color (as...

3 years ago | 2 answers | 0