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Struggling in MATLAB


Last seen: 2 dagen ago Active since 2021

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Python, C, Java, MATLAB
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Question


Overlay some line plots selectively from different .fig files in Matlab?
I have some lone plots which I want to merge into a single plot. For example I have attached the screenshots of the raw plots an...

27 dagen ago | 1 answer | 0

1

answer

Question


Why my error handling function not working for multiple outputs?
I am using arrayfun with multiple outputs as following. [entryTime,exitTime] = arrayfun(@(id) entryExitTimeStampFun(id), ... ...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


How to use 'UniformOutput' and 'ErrorHandler' together in 'arrayfun' function?
I am using 'arrayfun' function to run a function of an array which gives output logical true/false or nan depending upon traject...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


How to use error handler for arrayfun?
I am trying to apply a function to an big array. The output is a logical output. I checked that this arrayfunction is working fo...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


How do I exit a for loop after logical index is found true in an array?
I would like to exit a loop if the result is set to true in the for loop. But it always returns false if I use 'continue'. How d...

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Answered
How to add legend to the Figure?
I made patches of same color as rectangle to add legends for them. Also added handle to plot functions to make it uniform with ...

2 maanden ago | 0

| accepted

Question


How to add legend to the Figure?
I have a plot for which I am trying add legends. I am trying to add the shaded rectangles as well in legend. Please note that th...

2 maanden ago | 1 answer | 0

1

answer

Answered
How to write database query using sprintf command?
I was finally able to solve this by separating '%s' and 'LIKE' in the query string. Here is the code attached. referencetime =...

2 maanden ago | 0

| accepted

Question


How to write database query using sprintf command?
I have a POSTGRESQL database from which has a column named 'referencetime' which is a timestamp. (e.g. '04/06/2022 12:41:46.5')....

2 maanden ago | 1 answer | 0

1

answer

Question


Can I return 'nan' value for bad data?
I am writing an algorithm for a big database. I am running the algorithm in a for loop over the database trials. My algorithm wo...

3 maanden ago | 1 answer | 0

1

answer

Question


How to extract table rows based on a column entry (string) which match a pattern?
I have table where health column contains has similar values, like '1 Hour Saline', '2 Hour Saline', '2 hour Saline', '3 Hour S...

4 maanden ago | 1 answer | 0

1

answer

Question


How to label X-axis on bar graph?
I want to label a bar graph with a string array. I am using this following piece of code to label them. But it can not convert c...

4 maanden ago | 1 answer | 0

1

answer

Question


How to set y axis limit same for 2 subplots in a figure object?
I am creating a multiple figure object in a loop, I named it h. (h = figure) Each h contains two subplots. For both subplots in ...

4 maanden ago | 1 answer | 0

1

answer

Question


How to find the maximum value by comparing 2 cells?
I have 2 cells array, for example A = {2,4,5}; B = {1,10}; How can I find the max value (10, in this case) by comapring cell ...

4 maanden ago | 1 answer | 0

1

answer

Answered
Why sqlwrite not uploading all columns of the Matlab table to database?
This happened because the columns which did not upload has datatype cell. So, if we convert to string we can upload them.

5 maanden ago | 0

| accepted

Question


Why sqlwrite not uploading all columns of the Matlab table to database?
I am trying to upload a table to postgresql database. I have attached the table. I am using sqlwrite(conn,tablename,data); Bu...

5 maanden ago | 1 answer | 0

1

answer

Question


How to group different values in an array?
I have a test column array which contains 4 unique values? I have attached the array. intensityofcostcomposition _____...

6 maanden ago | 2 answers | 0

2

answers

Question


How set table column to modified data?
I am performing same set of operations for all the columns in a table. How do I use a for loop over all the columns for this? I ...

6 maanden ago | 1 answer | 0

1

answer

Question


How to map one array elements to another array elements?
I have an output array which shows to which feeder the animal goes in each trial for 6 trials. There could be only 4 feeders(1,2...

6 maanden ago | 2 answers | 0

2

answers

Question


How to use regex to obtain double values?
I have an array of strings which contains some units. I have attahced the array. unq = ["10 lux";"10lux";"15";"15.0";"15.5 ...

6 maanden ago | 1 answer | 0

1

answer

Question


How do I assign result array of a loop to a variable name?
I have a for loop which gives an one dimensional array in each iteration. (i.e. [1;2;3;4]) But they could be different in length...

6 maanden ago | 1 answer | 0

1

answer

Question


How to upload cell data to PostgreSQL database table?
I am trying to upload a MATLAB table to PostgreSQL database. But the columns which contain cell datatypes are not showing up in ...

7 maanden ago | 0 answers | 0

0

answers

Question


How to upload an array of double in postgreSQL?
I have a table in which different columns contain different types of data. I want to upload the table to postgreSQL database. I ...

7 maanden ago | 0 answers | 0

0

answers

Question


How to remove bulbs in the mouse trajectory?
I am trying to remove the bulbs in red circles in the picture to get a smooth trajectory as shown in the picture. The mouse may...

7 maanden ago | 2 answers | 0

2

answers

Question


Why 'NaT' (class: datetime) does not work with find function?
I have a table part of which is attached. The enries in the date column are as datetime. I am trying to get the id where the ent...

7 maanden ago | 2 answers | 0

2

answers

Question


Why am I getting error "Vectors must be the same length" although they are of same length?
I am trying to plot a X,Y graph. I am getting an error "Vectors must be the same length", although I see in the workspace that t...

8 maanden ago | 2 answers | 0

2

answers

Question


How to remove multiple outlier data in a rectangular maze?
I have this rodent x,y coordinates as described in the attached picture. There are some outliers in the data, I need to remove...

8 maanden ago | 1 answer | 0

1

answer

Question


How to get NaN if the data is not in proper input format or missing?
I am running a function over each table rows. It is a big table and some of the entries are 'NaN' (class: 'double') or 'none' (c...

8 maanden ago | 1 answer | 0

1

answer

Answered
How to run MATLAB function on each row of database?
The problem has been solved. I used a for loop for this. I imported the database as a table 'all_data'. loadfile = load('all_da...

8 maanden ago | 0

| accepted

Question


How to run MATLAB function on each row of database?
I have wrote a MATALAB function to get an output. I import the PostgreSQL database to MATLAB workspace and then work from there....

9 maanden ago | 1 answer | 0

1

answer

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