# giannit

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**Content Feed**

Submitted

Multifractional Brownian motion generator

Generates Riemann-Liouville multifractional Brownian motion paths with a given Hurst function.

1 month ago | 5 downloads |

Question

Fit scatter plot with a curve

I'm trying to fit the following data (here plotted using scatter) with a curve so that the result will be something like this...

2 months ago | 2 answers | 0

### 2

answersHow do I find the submatrix of a matrix?

[R,P] = ismember(B,A) if R contains all ones then B is a submatrix of A and P contains the indices of A where B is located, ie ...

5 months ago | 0

Submitted

Circular progress bar charts

Radial/Circular progress bar charts

8 months ago | 1 download |

Question

Fill a timetable outside the gaps

Consider the following timetable, which is just a toy to explain the problem dates = [datetime(2020,1,1) datetime(2020,1,1) dat...

8 months ago | 3 answers | 0

### 3

answersSolved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

10 months ago

Question

How to convert current figure to matrix 1:1?

The following code firstly saves the figure to an image, then converts the same figure into a matrix which however has not the s...

1 year ago | 1 answer | 0

### 1

answerQuestion

Size of saved figure differs from size of frame2im(getframe(gcf))

I need to create big images in which displaying lot of annotations, but my computer has a low screen resolution 1366x768. So I l...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to avoid the ending drop of the movmean curve?

I'm playing around with the built-in movmean function, which creates the moving average series of given data. I noticed that in...

1 year ago | 1 answer | 0

### 1

answerQuestion

Text in annotations is longer when using colors. Bug?

Using annotations in matlab I noticed that when I use colored text the spacing between words increases. See the example below I...

1 year ago | 0 answers | 0

### 0

answersQuestion

Remove the edge between two stacked bars

Consider the following stacked bars data = [2 1 ; 3 2]; b = bar(data,'stacked'); axis([0 3 0 6]) the plot I'd like to obtain...

1 year ago | 1 answer | 1

### 1

answerQuestion

Avoid +0 when using fprintf %+d

Consider the code names={'aba','cda','efa','fea','pod'}; numbers=randi([-1 1],5,4); for i=1:5 fprintf('|%s|%+d|%+d|%+d|...

1 year ago | 1 answer | 0

### 1

answerQuestion

Write unicode flag to text file

Using the html decimal codes is possible to write unicode characters to a text file, for example writecell({['down ' char(8595)...

1 year ago | 1 answer | 0

### 1

answerReduce loss of quality when using imfill and imfuse

By placing the following command right before the saveas one set(gcf, 'Position', get(0, 'Screensize')) the size of the output...

1 year ago | 0

| accepted

Question

Reduce loss of quality when using imfill and imfuse

I have to fill some regions of a black and white map, whose regions are black and are delimited by white borders. This is the c...

1 year ago | 1 answer | 0

### 1

answerQuestion

Fill regions of a map and keep the borders

My image is a white map of Italy with black (actually various shades of gray) borders which outline every province of the countr...

1 year ago | 1 answer | 0

### 1

answerReduce the line height for an annotation textbox

A workaround is simply to move the fontsize command of the last string to the middle string, that is annotation('textbox','Stri...

1 year ago | 4

| accepted

Question

Positioning bar and image in the same figure

I'm trying to print an image above a bar plot in the same figure, manually changing their position using the set command with th...

1 year ago | 1 answer | 0

### 1

answerQuestion

Properly put date labels with OuterPosition and datetick

I'm trying to change labels on x axis to be from 24/2/2020 to today (actually, at least 1 day after today, otherwise the curve w...

1 year ago | 1 answer | 0

### 1

answerQuestion

Reduce the line height for an annotation textbox

The following code annotation('textbox','String',{'\fontsize{10}TEST', '\fontsize{15}7,987,157', '\fontsize{10}+8,829'},'FontNa...

1 year ago | 1 answer | 0

### 1

answerQuestion

Exporting a cell array whose dots were replaced by commas, results in added quotation marks

I have strings in a cell array, I would like to replace dots with commas and then export it in a text file. The following code ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Export a cell array containing unicode characters in a text file

How to export the following cell array containing the unicode characters U+2191 and U+2193 str={'this ↑ up','this ↓ down'}; in...

1 year ago | 0 answers | 0

### 0

answersQuestion

Variable horizontal alignment of cell array's strings in annotation

In the following example, I'm trying to center align the second string of arrcell while keeping the first and third strings alig...

2 years ago | 2 answers | 0

### 2

answersQuestion

What is z1 appearing when solving this nonlinear system for x y and z?

I'm trying to solve the following nonlinear system g = 1; b = 1; a = b+1; syms x y z eqn1 = 0 == -x^2/g-2*a*x-y^2/g+2*b*y+1...

2 years ago | 2 answers | 0

### 2

answersQuestion

Is it possibile to use fsolve(fun,x0) giving input to fun?

I have to solve this system of equations: function F = root2d(x) [a,b,c,d,e,f]=feval(@(x) x{:}, {151.9,67,67.8,13790,4410,10...

3 years ago | 1 answer | 0

### 1

answerQuestion

Most efficent way of finding combinations of submatrices of a matrix

Say we have a matrix P of zeros and ones and we want to find the best(*) combination of non-overlapping submatrices of P, so tha...

3 years ago | 0 answers | 0

### 0

answersQuestion

Most efficent way of finding submatrices of a matrix

Say we have a matrix of zeros and ones 0 1 1 1 0 0 0 1 1 1 1 0 1 1...

4 years ago | 1 answer | 1

### 1

answerQuestion

Display a message only one time in a recursion containing a for loop

Consider this simple code a=[1 1 0 1]; recursion(a) with function a=recursion(a) if isempty(a) ...

4 years ago | 1 answer | 0