# Inna Pelloso

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Question

Parse variable in a table

Hi, I have a variable in a table, timestamp, in the following format: 2023-02-24 13:00:00 How can I parse this variable i...

11 månader ago | 1 answer | 0

### 1

answerQuestion

Find position of specific digit in a number

Hi, I have A = [123; 312]. How can I find the position of the digit 3 in each element of A? That is, I want B = [3; 1]. Any he...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Add suffix to name of all variables in workspace

Hi, Is there a way to add a suffix to the end of the names of every variable in the work space? (i.e. i have variables a,b, and...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Shutdown at specific time

Hi, What is the best way to make Matlab shutdown at a specific time? I am running a timer object, tmr, and want to exit matlab...

mer än ett år ago | 3 answers | 0

### 3

answersQuestion

Have time object start and stop at a specific time

Hi, I have a timer object, tmr: %%my_timer_test tmr = timer ... ( 'Name' , 'm...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Parsing variable in table

Hi, I have a 3x1 table, with one variable, timestamp: timestamp 2021-02-01 09:00:00 2021-02-01 09:01:0...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Split matrix into N Equal Parts by rows

Hi, I have an Nx10 matrix. How can I split this into three equally sized matrices (by number of rows) ? Is this something the r...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

Code Generation for Prediction of Machine Learning Model

Hi, I have auto-generated C++ code using Matlab Coder for a machine learning model, that has a 1x27 double as input. Is there a...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Last value of Moving Average in single command

Hi, I have A = rand(10,1). I am calculating an exponential moving average, B = movavg(A,'exponential',2). I only want the last ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Setting up linear optimization problem

Hi, I have two 100x1 arrays, X and Y. How do I set this linear problem to run using the optimization toolbox solver? I want to...

ungefär 2 år ago | 2 answers | 1

### 2

answersQuestion

fitcensemble optimize hyperparameters without showing plots

Hi, I am fitting an ensemble of learners for classification, and optimizing the hyperparamers (using the 'auto' selection): f...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Indexing matrix from array

Hi, I have A = [1:3; 4:6; 7:9] and an index B = [1;0;1]. How can I extract from each column of A the values at are equal to 1 ...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Select table data by Date

Hi, I have a table, where the frist column is the date, and second column is a variable. ''2021-Jan-04'' -0.1581 ''2021-Jan...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Creating index and replacing values

Hi, I have A = [0 0 1 0 1 0 0], and B = [ "030121", "030221", "030321"] I want to create C = [ "030121", "030121", "030...

ungefär 3 år ago | 2 answers | 0

### 2

answersQuestion

Position of element in a row

Hi, I have a 3 x 2 matrix, A: A = [1 2 3; 3 5 4] How can I find the position of the number 3 in each row? I want to create B...

mer än 3 år ago | 1 answer | 0

### 1

answerQuestion

Logical Indexing via multiplication

Hi, I have a 3 x 3 matrix, B = [ 1 2 3; 4 5 6; 7 8 9 ] I have a matrix, A = [ 0 1 0 ]'. How can I extract only the middle ...

mer än 3 år ago | 2 answers | 0

### 2

answersQuestion

Extracting every nth and (n+1)th element

Hi, I have A = (1:101). How can I extract every nth and (n+1)th element? For example, if n = 10, I want reate B = [10, 11, 20...

mer än 3 år ago | 1 answer | 0

### 1

answerQuestion

Find all occuarances of two numbers together

Hi, I have an array, a = [ 0 -1 1 0 0 -1 1 0] How can I fing all the ocurances of [ 1 0], ie. the index showing when the numbe...

mer än 3 år ago | 2 answers | 0

### 2

answersQuestion

Create index between values

Hi, I have a 5 x 1 array, a = [ 0 1 0 2 0]. (this is a generalization of a larger problem) I want create and index that fills ...

mer än 3 år ago | 2 answers | 0