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Sehoon Chang


Last seen: Today
25 total contributions since 2019

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Question


merging multiple timetable using for loop
Hi all, i am trying to merge multiple timetables using the code 'outerjoin' and 'for loop'. Amongst many timetables that are...

16 dagar ago | 0 answers | 0

0

answers

Question


checking the existence of timetable and merge
Hi within a folder i have diverse excel data type, which are imported and then converted to timetable within MATLAB. (eg. time...

21 dagar ago | 1 answer | 0

1

answer

Question


remove rows with empty variables within timetable
Hi all I have a table with numerous variables that are empty/not recorded at certain point of time (mostly front and rear row, ...

22 dagar ago | 1 answer | 0

1

answer

Question


extracting timetable variables as array
Hi i have a timetable imported from excel with undefined number or variables (number of usable variables change depending on si...

22 dagar ago | 1 answer | 0

1

answer

Question


timetable time and value adjustment
Hi all, How can i ... 1) round up datetime of timetable to nearest minute (yyyy-mm-dd hh:mm) and then 2) make adjustment to d...

24 dagar ago | 1 answer | 0

1

answer

Question


Change variable name in a loop
Hi, I have multiple excel table data, that are imported to MATLAB in a loop function. csvFiles = dir('*.csv'); numfiles_csv ...

26 dagar ago | 1 answer | 0

1

answer

Question


import multiple excel file
i am trying to import multiple excel file containing table value to matlab using the following source: https://de.mathworks.com...

28 dagar ago | 2 answers | 0

2

answers

Question


how to merge multiple timetable
dear advisers, i have multiple timetables with different timestamps (yyyy-mm-dd hh:mm), but within a same time period. I wish...

ungefär en månad ago | 2 answers | 0

2

answers

Question


how to import multiple excel files within a folder once
dear adviser, how may i import multiple excel files within a folder using the code "readtable (or similar)"? each excel files...

ungefär en månad ago | 0 answers | 0

0

answers

Question


what is the best possible way to find the missing values using interpolation
Hi all, i have an array that is measured in a hour interval. ex) a_1_hour = [ 1 5 9 13 17 21 ] but i wish to find out how...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


how to set the negative values on a diagram to zero
hello all, could you kindly advise me how to set a limit on a diagram. As you may see on the diagram that i have plotted, the...

4 månader ago | 1 answer | 0

1

answer

Question


export codes written in editor into word
Hi all, is there a way to export the codes, written in editors, into microsoft word? It should be exported just like it is ...

4 månader ago | 1 answer | 0

1

answer

Question


find arrays that are consecutively equal
suppose i have a vector W(idx) = [ ........ 1 4 3 6 7 4 2 6 0 0 0 0 20 6 15 2 3 0 0 0 0 31...... ] I want to find arrays that...

5 månader ago | 1 answer | 0

1

answer

Question


how to re-insert elements into a vector
I have outliers at the X-axis position 5785 and 7934. outliers = 5785; 7934 In order to replace the outlying value, outliers...

6 månader ago | 1 answer | 0

1

answer

Question


calculating a interpolation for a false data and inserting the calculated value back at its original place
Hi all, I am trying to insert my calculated interpolation value back to its original position. I have a data, in which there a...

6 månader ago | 1 answer | 0

1

answer

Question


narrowing down data sample
Hi all, I have set restrictions to sample the outlier data and wish to narrow down outliers samples. Three restrictions that ...

6 månader ago | 0 answers | 0

0

answers

Question


how to calculate mean of erased outlier and insert them in their place
dear all, using the code "rmoutlier", i was able to detect outliers as i intended. But instead of deleting the outlier and th...

6 månader ago | 0 answers | 0

0

answers

Question


calculating the mean of specific array using previous & next array
Dear all, I am trying to find a way to calculate the mean of specific array in a vector. Within the vector "W", there are "...

6 månader ago | 1 answer | 0

1

answer

Question


appropriate measurement for handling error outliers
Dear all, As you may see on the diagram, i have a data with outliers. Accodring to the licterature that i have gone through...

6 månader ago | 1 answer | 0

1

answer

Question


finding and removing outlier
Dear all, I am trying to define, identify and remove outlier from my datset. As you may see on the plot diagram, some data ar...

6 månader ago | 1 answer | 0

1

answer

Question


repeat an element in a vector
Hi all, I have one vector and i wish to repeat the first element of the vector once at the very beginning. For example: n...

6 månader ago | 1 answer | 0

1

answer

Question


Interval mean of array
Hello Ladies and Gentlemen, I am struggling to find a way to calculate interval mean of array. I have X value for each 15 mi...

6 månader ago | 1 answer | 0

1

answer

Question


how to change the X-axis unit interval
Hello Everyone, Does anyone know how to adjust only the Axis interval/unit, without changing the outcome (dataset) of the grap...

8 månader ago | 1 answer | 0

1

answer

Question


How to change interval unit of x axis
Hi everyone, I am trying to figure out how to adjust the graph by changing the interval of my X axis. I made a timetable and...

9 månader ago | 2 answers | 0

2

answers

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

11 månader ago