Community Profile # Sim

Last seen: Today Active since 2019

#### Statistics

All
• • • • • • #### Content Feed

View by

Question

Mean of a cell array with different cell sizes?
Mean of a cell array with different cell sizes? % This works: a = {[1 3 4 5];[7 7 8 2];[5 4 1 9]} mean(cell2mat(a),2) % but ...

18 hours ago | 1 answer | 0

### 1

Question

A compact way to reduce, or remove, the fractional part (separated by a decimal point) of numbers in a table
Given a table, could you please suggest a compact way to reduce, or remove, the fractional part (separated by a decimal point) o...

1 day ago | 1 answer | 0

### 1

Question

How to center the bars of the histogram over the elements of the input array?
How to center the bars of the histogram at the elements of the input array? I mean, in the following example I would like that ...

21 days ago | 2 answers | 0

### 2

Question

What is the mechanism or math behind the function islocalmax(A)?
What is the mechanism or math behind the function islocalmax(A)? I just refer to the the basic islocalmax(A) function, without ...

21 days ago | 2 answers | 0

### 2

Question

Why does exportgraphics not fully work, when using yyaxis?
Why does exportgraphics not fully work, when using yyaxis? This is my minimum working example: clear all;clc;close all; % ...

27 days ago | 1 answer | 0

### 1

Change properties in gscatter, based on the group label
Thanks both @Dyuman Joshi and @dpb! By mixing the @dpb and the @Cris LaPierre answers (that one from @Cris LaPierre is in Chan...

28 days ago | 0

Question

Change properties in gscatter, based on the group label
How to set some specific properties for a specific group (i.e. marker, markersize, one specific color), let's say for group labe...

28 days ago | 3 answers | 0

### 3

Question

How to adjust the (absolute) width of bars to 1 unit in a bar plot?
How to adjust the (absolute) width of bars to 1 unit in a bar plot? In the following example, the bars are larger than 1 unit: ...

28 days ago | 1 answer | 0

### 1

Question

How to display a few xticklabels from a set of selected xticks?
How to display a few xticklabels, like [4, 53] in the following example, from a set of selected xticks? selected_ticks = [2 3 4...

28 days ago | 1 answer | 0

### 1

Question

How to change position of both ylabels in yyaxis left, within a subplot enrivonment?
How to change position of both ylabels in yyaxis left, within a subplot enrivonment? figure(); for i = [1 3 5] ax1 = sub...

29 days ago | 1 answer | 0

### 1

Question

Change colors (of groups) in scatter plot
The following matrix contains around 80 rows, representing 2-dimensional points (each row corresponds to a point), and 3 columns...

29 days ago | 2 answers | 0

### 2

Question

How to add pairs of graphs (generated through a function) to adjacent subplots?
How to add pairs of graphs (generated through a function) to adjacent subplots? The function "myfunction" produces two graphs, ...

29 days ago | 1 answer | 1

### 1

Question

A compact way to replace zeros with Inf in a matrix
Would you be so nice to suggest me a more compact way to replace zeros with Inf in the following matrix? (maybe with just one li...

1 month ago | 5 answers | 0

### 5

Question

Create a graph with several isolated nodes and a few links
Why I am not able to create a graph with several isolated nodes and a few links? s = [1 1 1]; t = [1 2 ...

2 months ago | 1 answer | 0

### 1

Question

not correct output when using fprintf with multiple lines
Something is wrong here.. I need to associate the number of students to each class.. Any suggestion? fprintf('class %d: number ...

2 months ago | 1 answer | 0

### 1

Question

The normalization of histcounts
I would like to get the probability density function (PDF) from an array of data A (contained in the attached "a.mat" file). If...

4 months ago | 2 answers | 0

### 2

Question

Histogram normalisation: a question about terminology
Let's consider the histogram and histcounts functions, as in these two cases: num_bins = 30; % <-- note: I specify the "number ...

5 months ago | 1 answer | 0

### 1

Question

A faster union of polyshapes
Do you know a faster way to achieve this union of polyshape objects? load('borders2.mat') n = length(a); warning('off','MATLA...

5 months ago | 1 answer | 0

### 1

Question

Can I use the Matlab function called "dice" to compare two histograms (or discrete probability distributions)?
Can I use the Matlab function called "dice" (i.e. the "Sørensen-Dice similarity coefficient for image segmentation") to compare ...

5 months ago | 2 answers | 0

### 2

Boundaries of a point cloud
Boundary extraction (identification and tracing) from point cloud data

5 months ago | 0

Question

How to select, or filter, the external border/boundary in a set of (x,y)-points? [Part 2]
Hi, in a previous question, I asked about a method to obtain the external border from a set of points. I then tried to apply t...

5 months ago | 2 answers | 0

### 2

Question

How to select, or filter, the external border/boundary in a set of (x,y)-points?
Given two or more set of points (please see attached, as example, two sets of points called "b1" and "b2", that are stored in "b...

5 months ago | 2 answers | 0

### 2

Question

Show only a part of the yaxis
How can I show only a part of the yaxis (i.e. from zero to infinity), as shown in the right figure, here below? My desired o...

5 months ago | 1 answer | 0

### 1

Question

Implement the "total variation distance" (TVD) in Matlab
I am trying to implement the Total variation distance of probability measures (TVD) in Matlab. Would it be correct to use the ...

5 months ago | 2 answers | 0

### 2

The best approach to avoid the Kullback–Leibler divergence equal to infinite
So far, I found this theoretical argument, which partially solve my issue, but still, the infinite values remain when % if P_i ...

5 months ago | 0

Question

The best approach to avoid the Kullback–Leibler divergence equal to infinite
Given two discrete probability distributions P and Q, containing zero values in some bins, what is the best approach to avoid th...

5 months ago | 3 answers | 0

### 3

Question

Similarity of histograms: interpretation of cosine and jaccard similarities with "pdist2"
I would like to assess the similarity between two "bin counts" (that I previously derived through the "histcounts" function), by...

5 months ago | 1 answer | 0

### 1

How to use chi2gof within CUPID
I might have found a solution that makes sense to me and gives me what I would expect, even though I am not 100% sure it is corr...

5 months ago | 0

Question

How to use chi2gof within CUPID
[The same question on the CUPID GitHub] Two examples of usage of the Matlab's "Chi-square goodness-of-fit test" (chi2gof) funct...

5 months ago | 2 answers | 0