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**Content Feed**

Question

How to find the closest point to a line

Hello, I am having a bit of a hard time finding which point (i.e centroid) is closest to a line formed by the start and end coo...

28 dagar ago | 2 answers | 0

### 2

answersQuestion

How to count the number of rows per group

Hi, I simply want to count the number of rows per group (for unique combinations of a, b and c). Groups where either a, b, or c ...

2 månader ago | 1 answer | 0

### 1

answerIf-function in tables does not work

If I understand correctly, the cyclist has answered this question: https://www.mathworks.com/matlabcentral/answers/321819-how-to...

7 månader ago | 0

Question

How to assign multiple categories based on the mean of multiple groups

Hi, I want to assign categories based on the mean variable of multiple groups in the table below. For each unique combination ...

9 månader ago | 0 answers | 0

### 0

answersQuestion

How to merge two variables together in a table

Hi, I have a quick question : I have an initial table T and I would like to merge the variables deph1 and deph2 into a single ne...

10 månader ago | 1 answer | 0

### 1

answerQuestion

How to get rid of an extra space added by getSnapshotImage

Hello, getSnapshotImage seems to be adding an extra space in the annotation of my figures. In the dummy plot below there is no ...

ungefär ett år ago | 1 answer | 0

### 1

answerHow do I get time in input?????

You mean like this ? You can enter time as '23:45' for example prompt = 'What time is it ? '; t = datetime(input(prompt), 'For...

ungefär ett år ago | 0

Question

How to modify the size of images in a report

Hello, I am struggling to add images of the correct size in a report (https://www.mathworks.com/matlabcentral/answers/1563981-h...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How to increase the size of figures in Report Generator

Hello, I want to have 2 figures per page in my report but I cant figure out how to maximize the size of my figures so that I am...

ungefär ett år ago | 0 answers | 0

### 0

answersQuestion

How to save a figure of a specific size with exportgraphics

Hello, I simply want to export a figure of a specific size (6 x 9 inches) with the function exportgraphics as described here (h...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How to conditionally merge multiple variables in a table

Hi, In the table t below I would like to merge the variables var_c, var_d and var_e into a single new variable called new_var. ...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to use sqlwrite

Hi, I am running into some problems with sqlwrite. I am trying to duplicate the example found here (https://www.mathworks.com/h...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to conditionally format a variable with fprintf

Hi, Quick question: a want to contionally format a variable so that there are 2 decimals for all numbers except for 0; 0 should...

mer än ett år ago | 1 answer | 0

### 1

answerWhat functions should be moved to basic MATLAB?

Hi Walter, Im tempted to say shaperead from the Mapping Toolbox. Yes, I know shaperead is a big part of the Mapping Toolbox but...

mer än ett år ago | 1

What’s wrong?

Is this what you want ? Works fine. t = 0:1/6000:1/30 v = (4*cos((120*pi*t) + (pi/3))) plot(t,v)

nästan 2 år ago | 0

Question

How to subsample a dataset per week

Hi, I would like to subsample a dataset in such a way as to keep only the data that was collected on the first sampled day of t...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

How to transform multiple sets of coordinates in a csv file into a single shapefile

Hi, I was wondering what was the easiest way to transform the coordinates of multiple polygons in a csv file into a single shap...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

How to conditionally merge rows in a table

Hi, I have a quick question - I have the following table T and I would like to merge the rows where the values of the variabl...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

How to replace leading zeroes by spaces with regexprep

Hi, I have a basic question. I simply need to replace the leading zeroes by empty spaces in table T except for the last zero wh...

mer än 2 år ago | 3 answers | 0

### 3

answersQuestion

How to duplicate the number of rows in a table based on frequency

Hi, I have a frequency table like this where N is the number of occurences: id = [1004, 1004, 1004, 1004]'; length = [23, 45,...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Fastest way to replace NaNs by empty cells in a table

Hi, I need to replace the NaNs in the columns a and b by empty cells. The code below works but it is pretty slow. Is there a fa...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

How to reformat a table

Hi, My problem is very straightforward: i need to transform T1 into T2. What is tricky about this (in my mind anyway) is that s...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

How to condionally keep unique rows in a table

Hi, I have the following table T and I would like to keep only the rows that are unique based on the combination of the variabl...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

How to modify decimal places when exporting data with fprintf

Hi, I have a mixed-type table T that I want to export as a txt file. But I also need to change the number of decimals of T.d to...

mer än 2 år ago | 2 answers | 0

### 2

answersQuestion

How to do basic time arithmetic when NaNs are involved

Hi, I have the following table and I simply want to calculate the elapsed time between start and end points. My main problem is...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

Fastest way to read mixed-type and position-delimited text files

Hi, I need to convert mixed-type text files that are position-delimited into cell arrays. To do this, I have a reference file w...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

How to use ismember to assign values from one cell array to another cell array

Hi, I have two cell arrays of unequal lengths x = {'C', 'A', 'B', 1; 'C', 'A', 'B', 1; 'C', 'A', 'B', 2; 'B', 'A', 'D', 5} ...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

How to conditionally delete columns in a cell array

Hi, I have a simple cell array that look like this: input = {'A','B','A','A','A','A','A','A'; 'A','A','B','A','A','A','A','A'...

mer än 2 år ago | 2 answers | 0

### 2

answersQuestion

How to replace values above a given percentile by nans

Hi, I am trying to replace values above the 99th percentile in a table by nans by using Star Strider excellent little function ...

mer än 3 år ago | 2 answers | 0

### 2

answersQuestion

How to reshape every cell in a structure

Hi, I am trying to reshape every cell in a 1x4 structure with 10 fields. A simplified example would look like this but when I t...

mer än 3 år ago | 1 answer | 0