Question

Convert digital numbers to datetime elements

I have two types of time arrays, t1 and t2, with the same number of elements, i.e. 1056, and both indicating a time range of 44 ...

4 months ago | 1 answer | 0

Question

Can "datetime" be responsible for the misalignment of data in a plot ?

I have two types of time vectors, t1 and t2, both indicating a time range of 44 days: % vector t1 t1 = linspace(0,44,1057); ...

4 months ago | 2 answers | 0

Question

Extend a cell array of dates (from days only, to hours and days) in a compact way

I have a cell vector containing 44 dates, i.e. days: >> C ans = 44×1 cell array {'17-Jun-2017'} {'18-Jun-20...

4 months ago | 4 answers | 0

Question

Subplots of subplots (maybe using subaxis)

I am using the beast exchange file, which default example, load('Nile.mat') % annual streamflow of the Nile Ri...

5 months ago | 2 answers | 0

Question

How to create an overall legend for subplots with the SUBAXIS function?

Hi, how can I create an overall legend by using the subaxis function? The following example does not work: x = -10:10; city...

5 months ago | 1 answer | 1

Question

Select elements of a matrix using an array (of indices)

Hi, I have a matrix composed of 2 columns, called A, and an array of "indices", called I. For each row of A, I would like to s...

5 months ago | 1 answer | 0

Question

Compact way to horizontally concatenate a cell array without the first columns of the cells

Hi, I have two matrices A and B that are "stored" inside a cell array C. Just manipulating the cell array C (and not matrices ...

6 months ago | 1 answer | 0

Question

Compact way to write matrices containing indices

Hi, I have an array A and a matrix B. (Task 1) First, I would like to check which elements of A are members of the first colum...

6 months ago | 2 answers | 0

Question

If condition: "in each row of a matrix one element is zero and the other one is not zero"

How can I write the if condition in a more compact way than if size(find(sum(A==0,2)==1),1) == size(A,1) to express that "i...

6 months ago | 3 answers | 0

Answered

matlab_R2022a_maci64.dmg installation crashes after a while.. solutions?

I solved it by: disconnecting the wifi and using mobile phone data changing destination as /Applications/another_folder/MATLA...

matlab_R2022a_maci64.dmg installation crashes after a while.. solutions?

I solved it by: disconnecting the wifi and using mobile phone data changing destination as /Applications/another_folder/MATLA...

6 months ago | 0

| accepted

Question

matlab_R2022a_maci64.dmg installation crashes after a while.. solutions?

matlab_R2022a_maci64.dmg installation crashes after a while.. solutions? Note 1: DESTINATION: /Applications/MATLAB_R2022a.app ...

6 months ago | 1 answer | 0

Question

How to draw a "xline" with a given height for the line and a given vertical position for the text?

How to draw a xline with a given height for the line and a given vertical position for the text? In other words, I need a short...

7 months ago | 3 answers | 0

Answered

Create a patch which includes all the histogram profiles

@AndresVar: I also got a solution.... it has a few bugs, but it works in the way I was thinking... clear all; close all; clc; ...

Create a patch which includes all the histogram profiles

@AndresVar: I also got a solution.... it has a few bugs, but it works in the way I was thinking... clear all; close all; clc; ...

7 months ago | 0

Question

Create a patch which includes all the histogram profiles

Hi, I have several profiles/skylines of histograms: hold on for i = 1 : 10 X = normrnd(3000,10,[1,1000 ]); histogram...

7 months ago | 2 answers | 0

Question

How can I plot the profile/skyline of an histogram from histcounts?

Hi, how can I plot the profile/skyline of an histogram from histcounts? This is my attempt with the function stairs, which does...

7 months ago | 1 answer | 0

Question

Plot occurrences of values with bin edges, by using "histcounts" and "plot" functions

Hi, I have 1000 normally distributed random numbers (with mean = 3 and standard deviation = 10): X = normrnd(3,10,[1,1000]) I ...

7 months ago | 1 answer | 0

Answered

Sum elements in the first column according to repeated values in a second column

I found this solution, but I would like to avoid the loop for: [a,b] = unique(A(:,2)); [~,d] = unique(A(:,2),'last'); for i =...

Sum elements in the first column according to repeated values in a second column

I found this solution, but I would like to avoid the loop for: [a,b] = unique(A(:,2)); [~,d] = unique(A(:,2),'last'); for i =...

7 months ago | 0

Question

Sum elements in the first column according to repeated values in a second column

Hi, I have a two columns matrix, where the elements of the second column are repeated (here below in my example, 55, 98 and 17 a...

7 months ago | 2 answers | 0

Question

How to calculate the centroid / center of a patch?

Hi, how can I calculate the centroid / center of a patch? Maybe something like this? [Xc,Yc] = centroid(patch('XData',X,'YDat...

7 months ago | 3 answers | 0

Question

Detect abrupt changes in signals with functions "wavedec" and/or "cwt"

Hi, I read a MATLAB article called "Detecting Discontinuities and Breakdown Points", where both the wavedec (1-D wavelet decompo...

7 months ago | 0 answers | 0

Answered

Display cell array elements/texts in a figure, (i) by using a single index, (ii) separated by a comma, and (iii) by using annotation.

I think I found a solution: i = [1 3 4]; % single index groups = {'London-Berlin','Rome-Paris','Madrid-Athens','Boston-Dallas'...

Display cell array elements/texts in a figure, (i) by using a single index, (ii) separated by a comma, and (iii) by using annotation.

I think I found a solution: i = [1 3 4]; % single index groups = {'London-Berlin','Rome-Paris','Madrid-Athens','Boston-Dallas'...

7 months ago | 0

| accepted

Question

Display cell array elements/texts in a figure, (i) by using a single index, (ii) separated by a comma, and (iii) by using annotation.

Hi, I have a cell array containing some text: groups = {'London-Berlin','Rome-Paris','Madrid-Athens','Boston-Dallas'}; I would...

7 months ago | 1 answer | 0

Question

How to change size and color of only some edges of a patch?

How can I change size/thikness and color of only some edges of a patch? For example, here I would like to change size/thikness ...

7 months ago | 1 answer | 0

Answered

How can I create a patch between two graphs?

I think found the way: patch([x fliplr(x)], [y fliplr(y+2)], [z fliplr(z)], 'g') Everything together will be: clear all;clc; ...

How can I create a patch between two graphs?

I think found the way: patch([x fliplr(x)], [y fliplr(y+2)], [z fliplr(z)], 'g') Everything together will be: clear all;clc; ...

7 months ago | 0

Question

How can I create a patch between two graphs?

How can I create a patch between two graphs ? clear all;clc; s = [1 2 3 4]; t = [2 3 4 5]; x = [0 1 2 2 4]; y = [0 0 0 0 0]...

7 months ago | 2 answers | 0

Question

How to make a "page transpose" in a 3D matrix without using the function pagetranspose?

How to make a "page transpose" in a 3D matrix without using the function pagetranspose (due to older version of matlab)?

8 months ago | 2 answers | 0

Question

Conflict between "TextLocation" and "annotation" when using "Legend"

Hi, I would like to use the position retrieved with the function TextLocation (by MathWorks Support Team) and use it for the ann...

8 months ago | 1 answer | 0

Question

sum the elements in each row of a two-column matrix with the condition that one of the two values in each row is zero

Hi, I have a matrix with 2 columns: A = [ 3710 0 0 3714 3735 0 3719 ...

8 months ago | 1 answer | 0

Question

A concise way to sort the rows of matrix A in the same order of the rows of matrix B

Hi, do you know a way to sort the rows of matrix A in the same order of the rows of matrix B, but in a more concise way/code as ...

8 months ago | 1 answer | 0

Question

How can I find if edges in a subgraph SG appear inside/belong to a graph G?

How can I find if edges in a subgraph SG appear inside/belong to a graph G? I have this example with a graph G: s = [1 1 2 2 2...

8 months ago | 1 answer | 0