Answered
How to save a high resolution image in MTALB?
exportgraphics() is available since 2020a which release are you using?

6 månader ago | 0

| accepted

Answered
How do I make a specific range of numbers and increment?
use colon operator T=100:50:500

6 månader ago | 0

Answered
Buffer around a value in a matrix.
A=[ 0 0 0 0 1 0 0 1 1 0 0 0 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 1 0 0 0 1 1 0 0]; B=imfilter(A,ones(3...

6 månader ago | 0

| accepted

Answered
efficient way of importing excel sheet
if you activate MultiSelect in uigetfile, you can select more than one file. The resulting variables are then cell arrays with t...

6 månader ago | 0

Question

Action on close of spectrumAnalyzer() object/windows
Dear community, at the moment I am preparing for some real time processing on audio recordings. I want to end the inifinite rec...

6 månader ago | 2 answers | 0

2

answers

Answered
How to sort a part of a given array?
just use indexing to reassign those numbers data=20:-1:1 data(1:5)=sort(data(1:5),'ascend')

6 månader ago | 0

Answered
how to create different matrices?
you could split them into multiple 400x1 vectors by this data=rand(30000,1); data=reshape(data,400,1,[]); size(data) you can...

6 månader ago | 1

| accepted

Answered
Summing the values with looping
you could generate all values you asked for with a single expression. if you want the sum until a specific n, use cumsum() on th...

6 månader ago | 0

Answered
How can I draw contour lines with a given excel Data sheet
you mean something like that? mtx=readmatrix('F_22_Project Data.xlsx','Range','D9:V32'); contour(0:20:360,0:20:460,mtx)

6 månader ago | 0

| accepted

Answered
i want to know the fitness
i guess you are seraching for the correlation of X and Y coordinates see corr() and corrplot()

6 månader ago | 0

Answered
How do I plot grid points in a wedge-shaped volume?
you could add the third dimension like that: x=-6:6; [X,Y,Z]=meshgrid(x); r=5; phi=pi/2; % from [0,pi] theta=pi/4; % ...

6 månader ago | 0

Answered
MATLAB 2022b removing spaces from strings in concatenation?
"For character array inputs, strcat removes trailing ASCII whitespace characters: space, tab, vertical tab, newline, carriage re...

6 månader ago | 1

| accepted

Answered
How can i find the Majoraxislength and Minoraxislength of each cell present in binary image ?
a call to regionprops should suffice: clear; im=imread("image.png"); im=rgb2gray(im); % to grayscale im=im~=0; % make bina...

6 månader ago | 0

| accepted

Answered
Name points on a plot based on their order
you could add the line text(ri(:,1),ri(:,2)+0.05,cellstr(num2str((1:size(ri,1))'))) or text(ri(:,1),ri(:,2)+0.05,strsplit(num...

6 månader ago | 0

| accepted

Answered
Traslate and Rotate a point cloud
if you have a matrix nx3, with each row being one set of point corrdinates you can translate first and rotate afterwards using s...

6 månader ago | 0

Answered
Replacing special character 'É' to 'E'
looks like there are only manual solutions. Stackoverflow is your friend ;-) https://stackoverflow.com/a/60181033

6 månader ago | 0

| accepted

Answered
How to find the count of vertical lines in an image using Fourier Transform in MATLAB?
% create sample image imgLine=repmat([ones(1,5) zeros(1,20)],[1 10]); % shift it a bit to force broken (incomplete) lines i...

6 månader ago | 1

Answered
Sorting group position from 1
i think you are searching for this: [~,~,c]=unique([2 3 2 1],'stable') [~,~,c]=unique([3 3 1 2],'stable')

6 månader ago | 1

| accepted

Answered
How to filter out files with a list of specific string in UIGETFILE command?
you can provide mutiple filters to choose from: uigetfile({'EFA*.xls;EFB*.xls'},'Select a File'); this shows EFA*.xls files an...

6 månader ago | 1

| accepted

Answered
Hold on and Hold off command keeps all plots on subsequent graphs
do you want the second part into another axes or also into another figure? syms x eqn1 = x^2*cos(x); d_eqn1 = diff(eqn1,x); ...

6 månader ago | 0

Answered
How to compare blank spaces in arrays?
use this a=["red","blue","green","yellow"]; b=["orange","","","purple"]; c=a(b=="")

6 månader ago | 0

Answered
error in prctile function?
did you read the documentation? there is an example given for the interpolation and how the given numbers may be distributed. Yo...

7 månader ago | 0

| accepted

Question

Abbreviate regexp: match a if present, else match b
dear community, can someone abbreviate the follwing if else in a single regexp? str1='this is } and this is }, and this is }';...

7 månader ago | 1 answer | 0

1

answer

Answered
write a function to return next value each time only nonzeros
if I understand correctly you want the function the be able to remember how often the function was called. each time the next no...

8 månader ago | 0

| accepted

Answered
The description of interp said, 'interp inserts zeros into the original signal and then applies a lowpass interpolating filter to the expanded sequence'
the description says it inserts zeros AND applies the filter for interpolation. of course the filter changes the zero values. ...

9 månader ago | 0

Answered
How to set position of legend plot where outside axes??
add a Name-Value pair to your legend command, e.g. legend('Location','eastoutside')

9 månader ago | 0

Answered
How do you remove tick marks (not labels) from a colorbar?
try c=colobar; c.TickLength=0;

9 månader ago | 0

Answered
FFT on Image Time Series
if the object of your camera is more or less static and illuminated with a temporally modulated light source and you are intere...

10 månader ago | 1

| accepted

Answered
Issue with reading text value from a cell in MS Excel using readmatrix
if i am not mistaken, readmatrix expects numbers for each entry, so the numbers can be but into a matrix. if your data contains ...

10 månader ago | 1

| accepted

Answered
Matlab keeps giving me error for invalid syntax! I don't understand why
looks like you are missing a comma if d>0 fprintf('Le soluzioni distinte sono %12.2f \n',A1 , A2) ...

10 månader ago | 1