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Serbring


Università degli Studi di Bologna

Last seen: 3 días hace |  Con actividad desde 2019

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Estadística

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How to use lazy quantifiers in look ahead?
Hi all, I need to develop a regular expression for extracting a few numbers from HTML code. In particular, the numbers must be ...

3 meses hace | 1 respuesta | 0

1

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Why does OCR separate Text into Words?
Hi all, I am trying to retrieve specific text from scanned documents reporting tables of numbers. Since the table can change i...

4 meses hace | 1 respuesta | 0

1

respuesta

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Matab is very slow in processing figures: might it be caused by NVidia Optimus?
Hi all, I have a laptop with the following configuration: CPU: i7-11850H RAM: 32GB GPUs: Intel UHD graphics and NVIDIA RTX ...

6 meses hace | 2 respuestas | 0

2

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Wrong data type after canDatabase function
Hi all, I have a CANBUS data that I can open with Vector CANDdb editor. However, with Matlab I get something weird when I use t...

alrededor de 3 años hace | 1 respuesta | 0

1

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vehicle network toolbox: is there any limitation in importing messages from a log?
Dear all, I have several logged CANBUS data. Using the standard j1939 database, I have found that I am not able to interpret al...

alrededor de 3 años hace | 0 respuestas | 1

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How to append time series?
Hi all, I need to append several timeseries object but I am obtain the following error: Error using timeseries/append>localC...

alrededor de 3 años hace | 0 respuestas | 0

0

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Regular expression: how to search for a sequence of one number alternated with 0s?
Hi all, I need to craft a regular expression. What I need is to search any pattern where sequences of one number (i.e., 1 or 2)...

más de 3 años hace | 2 respuestas | 0

2

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How to use effectively use the lazy quantifier for regular expression?
Hi all, I need to to set up a regular expression that stops at the first istance of the expression. To this goal, I am trying t...

más de 3 años hace | 1 respuesta | 0

1

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Why symsum does not provide the right result?
Hi all, I need to find the symbolic solution of the sum of the mathematical series, but symsum does not provide the right resul...

más de 3 años hace | 1 respuesta | 0

1

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Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

casi 4 años hace

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

casi 4 años hace

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Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

casi 4 años hace

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

casi 4 años hace

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Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

casi 4 años hace

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

casi 4 años hace

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How to reliable find the distance between matrices?
Dear all, I need to compute the distance among matrices. These matrices describe the usage of vehicle and they report the joint...

casi 4 años hace | 1 respuesta | 0

1

respuesta

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How to select the design variables on an optimization problem?
Dear all, I have a large optimization problem with linear, and non linear constraints, and bounds. The solver I have been usi...

más de 4 años hace | 1 respuesta | 0

1

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Summing Digits within Text
Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

casi 5 años hace

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

casi 5 años hace

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How to cluster similar strings?
Hi all, I have long lists of strings which I have automatically collected with a brute web scraping routine. However, many str...

casi 5 años hace | 1 respuesta | 0

1

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How to programmatically adjust the font size of the editor and command window?
Hi all, I am using a lot Matlab both with the small screen of my laptop and with my large 34" external screen. Is there a way t...

casi 5 años hace | 1 respuesta | 0

1

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How to calculate the slope from geopraphical coordinates?
Hi all, I have installed a GPS logger on a vehicle, so I have extracted the geographcal coordinates in degree (longitude, latit...

casi 5 años hace | 1 respuesta | 0

1

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

casi 5 años hace

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

casi 5 años hace

Pregunta


Why accessing to table is slower than accessing to struct?
Hi all, I have a very large dataset of table data type with nested struct. I have carried out two scrips, one which deals with ...

alrededor de 5 años hace | 1 respuesta | 0

1

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How to quickly find the first NaN?
Hi all, I am converting more than 100GB of .ASC CAN BUS data. The algorithm is pretty slow due to the fact there are struct d...

alrededor de 5 años hace | 2 respuestas | 0

2

respuestas

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How to speed up this code?
Hi all, I have several CANBUS .ASC files that I have to convert to .MAT files for further analysis. In particolar, I need a str...

alrededor de 5 años hace | 0 respuestas | 0

0

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How to check if a ,MDF file is unsorted?
Hi all, I am trying to read on matlab several .MDF files. All of them are exported with the some tool and for some reasons, som...

alrededor de 5 años hace | 1 respuesta | 0

1

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How to plot lines as separated segments?
Hi all, I have a signal and a need to highlight the portion of the signal which meets a specific condition. I have found two wa...

alrededor de 5 años hace | 1 respuesta | 0

1

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How to correctly classify a vehicle state in function of its position?
Hi all, I have to classify a vehicle state in function of its position. So, I have created a shapefile containing the boundarie...

más de 5 años hace | 0 respuestas | 0

0

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