# Dion Theunissen

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**Content Feed**

Question

convert current date and time to char

Hi, I need 2 parameters. The first is the current date and time in the format: '2022-05-02T08:00:00Z' The second is that date...

12 days ago | 3 answers | 0

### 3

answersQuestion

Innerjoin of two tables

I try to combine two tables based on the PartitionKey. Actually it is not working on the way im trying now: % Import the dat...

3 months ago | 1 answer | 0

### 1

answerQuestion

API call from postman to Matlab.

I want to make an API call. I converted the script to a python code but can not make it to convert it to an matlab example. I t...

4 months ago | 1 answer | 0

### 1

answerQuestion

Get only selected rows by time range

I have the folowing script: clear all; close all; clc; % Set up the Import Options and import the data opts = delimitedTex...

6 months ago | 1 answer | 0

### 1

answerQuestion

Plot numbers in geoplot

I have the following code, but this wil not work: for g = 1:size(scaniadatacompare3) latStart = sca...

6 months ago | 1 answer | 0

### 1

answerQuestion

Calculate delta time in seconds

i have a table where column 1 is the starttime and column 2 the stoptime. Now i want to insert in column 3 the delta time. D...

7 months ago | 2 answers | 0

### 2

answersQuestion

Round all values in table

Hi, I have a table with calculated values. Now I want to round all values to 2 decimals. How can I do that in once for the whol...

7 months ago | 1 answer | 0

### 1

answerQuestion

Open files from documents in loop

I want to open several files in a for loop. Anyone who can help me with this? For now I tried this: a = "/Users/diontheu...

7 months ago | 0 answers | 0

### 0

answersQuestion

Change string words to number in table

Hi, I have a table where one column contains words like 'Clear', ' Clouds' and 'Rain'. I want to replace those for values like...

7 months ago | 1 answer | 0

### 1

answerQuestion

Connect correct temperature to another table based on time

I want to connect two tables with each other. I have one table A: A = [13-aug-2020, 14-aug-2020, 15-aug-2020], [13.8, 12.2, 8.5...

10 months ago | 1 answer | 0

### 1

answerQuestion

Combine two tables based on date time

I have a table A with a datetime (Year, month day and time) and a table B with a datetime(year month day) Now I have to combine...

10 months ago | 1 answer | 0

### 1

answerQuestion

Split column in table based on character

Hi, I have a table with a string column. Now i want to split this column in 3 seperate coluns. In that column are strings li...

10 months ago | 1 answer | 0

### 1

answerQuestion

split cell in 2 columns

I have a 422x1 cell which contains strings as below 0 0 [35.1600000000000,35.1600000000000] 0 0 35.1600000000000 0 0 [3...

10 months ago | 2 answers | 0

### 2

answersQuestion

Get number after colon

I have a text with numbers column in a table. Now i want to only select the numbers after a colon (:) I have no idea where to s...

10 months ago | 1 answer | 0

### 1

answerQuestion

Create heat map based on location and temperature

Hi, I want to make a raster field, with latitude on the x axis and longitude on the y axis. From this i want to plot points i...

10 months ago | 0 answers | 0

### 0

answersQuestion

Open OpenWeatherMap API in matlab

Hi, I just need to know the weather at a current position. I have the following script, but it doesn't work. key = 'MyKey';...

10 months ago | 1 answer | 0

### 1

answerQuestion

Filter table based on time and make calculation

Hi, I have a table like this below: Now i want to make a loop that i can calculate the mean of a specific column based on th...

10 months ago | 1 answer | 0

### 1

answerQuestion

draw a max line in existing plot

Hi, I have the folowing plot: Now i want to create something like this: How can I create this?

10 months ago | 1 answer | 0

### 1

answerQuestion

Formula basic fitting curve Matlab

Hi, I am using the equation from the basic fitting function from matlab. I am using the cubic equation. Is there a way to f...

10 months ago | 1 answer | 0

### 1

answerQuestion

How to split table in new tables

Hi, I have a table like this: I want to splits this table in new tables based on the triggertype. I want to select the rows...

11 months ago | 1 answer | 0

### 1

answerQuestion

Make name in for loop and read table

Hi, How can I make this working? now i got the error "Dot indexing is not supported for variables of this type." I want to u...

11 months ago | 1 answer | 0

### 1

answerQuestion

Calculate Standard deviation in table

Hi, I have a table with 20 columns, I want to make a new column with the standard deviation of each row from column 4 to 6. ...

11 months ago | 2 answers | 0

### 2

answersQuestion

How to substract in table

Hi, How can I substract the first value of all columns from the other rows in a table? So I have a table like this: 1230764...

11 months ago | 2 answers | 0

### 2

answersQuestion

subtract value from column in table

hi, I want to subtract a table column from a value. like this: for c = 1:8 minus = table2array(Scan(1,c)); ...

11 months ago | 1 answer | 0

### 1

answerQuestion

Find indices of matching date times

Hi, I have 2 tables containing a column datetime. How can I find the first DateTime of table A in table B? So if Table B cont...

12 months ago | 1 answer | 0

### 1

answerQuestion

Get mean and stdev from all values

Hi, I have a list like below. in the first column I have values from 0 to 91 (there can miss values). 0 3 0 4.5000000000000...

12 months ago | 2 answers | 0

### 2

answersQuestion

smooth line in plot

hi, I have a plot which contains 6 points. Now i want to smooth the line. How can I do that? a = 0 1.56809885737654 1.0086143...

12 months ago | 1 answer | 0

### 1

answerQuestion

Make several tables from one table

Hi, I have a table like this: Now i want to make several single tables with data out of this. I want to cut rows from IGNI...

12 months ago | 2 answers | 0

### 2

answersQuestion

analyse table by row name

Hi, I have two questions. I read a csv file in matlab as below: Now i want to sort the table by the first column. I only ...

12 months ago | 1 answer | 0

### 1

answerQuestion

How can I write a table to .csv file

hi, How can i write a table to an .csv file and save it? Dion

12 months ago | 2 answers | 0