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giannit


Last seen: mer än 2 år ago |  Active since 2018

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Question


Is it possible to explode/expand a map? i.e. separate the countries by a given distance (such as exploding a pie chart)
I have this .shp file which represents the map of Italy, where each row represents a single region I'm able to plot it using ...

mer än 2 år ago | 1 answer | 0

1

answer

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...

nästan 3 år ago | 2 answers | 0

2

answers

Answered
How 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 ...

mer än 3 år ago | 0

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...

mer än 3 år ago | 3 answers | 0

3

answers

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...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


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...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


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...

mer än 4 år ago | 1 answer | 0

1

answer

Question


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...

mer än 4 år ago | 0 answers | 1

0

answers

Question


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...

mer än 4 år ago | 1 answer | 1

1

answer

Question


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|...

mer än 4 år ago | 1 answer | 0

1

answer

Question


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)...

mer än 4 år ago | 1 answer | 0

1

answer

Answered
Reduce 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...

mer än 4 år 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...

mer än 4 år ago | 1 answer | 0

1

answer

Question


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...

mer än 4 år ago | 1 answer | 0

1

answer

Answered
Reduce 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...

mer än 4 år 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...

mer än 4 år ago | 1 answer | 0

1

answer

Question


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...

mer än 4 år ago | 1 answer | 0

1

answer

Question


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...

mer än 4 år ago | 1 answer | 0

1

answer

Question


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 ...

mer än 4 år ago | 1 answer | 0

1

answer

Question


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...

mer än 4 år ago | 0 answers | 0

0

answers

Question


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...

mer än 4 år ago | 2 answers | 0

2

answers

Question


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...

mer än 4 år ago | 2 answers | 0

2

answers

Question


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...

nästan 6 år ago | 1 answer | 0

1

answer

Question


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...

mer än 6 år ago | 0 answers | 0

0

answers

Question


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...

mer än 6 år ago | 1 answer | 1

1

answer

Question


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) ...

mer än 6 år ago | 1 answer | 0

1

answer