Community Profile # Ancalagon8

Last seen: ongeveer een maand ago Active since 2017

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Question

Compare monthly value of previous years with current monthly value
I have a 12X3 table e.g. for 2022 and i need to compare the monthly value of previous years with todays monthly value. So I have...

9 maanden ago | 0 answers | 0

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Question

Changing file path and load multiple excel files
I have some specific folders where i have saved several excel files with the filename in the following format: code_parameterA...

10 maanden ago | 1 answer | 0

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Question

Improve part of code using a loop
I have an annual table X, where I want to calculate the five maximum values for each month. My code works but I need to also app...

10 maanden ago | 1 answer | 0

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Question

Calculate number appearance within a range
I need help calculating the number of times a number appears within a range. To be more specific, I need to specify how many tim...

11 maanden ago | 2 answers | 0

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Question

Frequency distribution of monthly data
I have a monthly timetable with some values and I need to calculate the frequency distribution in classes from 0 to 10 with step...

11 maanden ago | 1 answer | 0

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Question

Divide annual timeseries to monthly ones
For a specific year I have created an hourly timetable using retime: VarPerHour = retime(T, 'hourly', 'sum'); How can I divide...

11 maanden ago | 2 answers | 0

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Question

Group wind data in clusters based on direction
I have an annual table with wind direction values and I want to group them per month in 16 sectors based on the degrees. Is it ...

11 maanden ago | 1 answer | 0

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Question

Calculate the maximum and minimum values and what day these values occured
Hello I have a big timetable (one year) with temperature recorded every minute. I want to calculate the maximum and minimum valu...

11 maanden ago | 1 answer | 0

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Question

Calculate daily standard deviation from timetable
Hello, I want to calculate the mean max and mean min standard deviation of temperature data from a daily timetable. t=timetabl...

12 maanden ago | 1 answer | 0

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Question

Maintain values inside loop
I need help debugging this part of my code, from annual data i want to create 12 timetables , one for each month. Right now the ...

12 maanden ago | 1 answer | 0

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Question

Calculate consecutive values from annual data to monthly have a yearly timetable (events(1X365)) and I want to find how many consecutive values are equal to 1 for every mont
I have a yearly timetable (events(1X365)) and I want to find how many consecutive values are equal to 1 for every month. Right n...

12 maanden ago | 1 answer | 0

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Question

Calculate values inside a nested loop with different steps and store them in the same variable.
I have a matrix (x) and want to calculate where its values are above certain thresholds and store the results in a new matrix (C...

ongeveer een jaar ago | 2 answers | 0

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Question

Combine excel files into one
I want to run the code below, inside every folder i have an excel file (data.xls) and i want to compare 10 excel files into 1. C...

ongeveer een jaar ago | 1 answer | 0

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Question

Changing file path in a loop and save figures
I want to run a code where inside every folder i have a data file and save in each folder a .fig. Can anyone help me?

ongeveer een jaar ago | 2 answers | 0

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Question

trying to understand why I get 2.2204e-16 rather than 0
Im trying to understand why when i make x-y (where x=1.6 and y=1.6) i do not get 0 as a result.

meer dan 2 jaar ago | 1 answer | 0

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Question

how to plot double against datetime
I am trying to plot a .csv file. filename='data.csv'; data = readtable(filename); % read csv file time = data{:,1}+data{:,2...

meer dan 2 jaar ago | 1 answer | 0

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Question

matlab area calculation under fitted curve
I have a signal and want to calculate the area under the produced fft with step of 5Hz. So far i created an fft, normalized an...

ongeveer 3 jaar ago | 1 answer | 0

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Question

mean amplitude moving xcorr

meer dan 3 jaar ago | 0 answers | 0

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Question

handle character minus character
I have two characters which contain '18:29:42.835' and '18:29:49.425'. How is it possible to subtrack t2-t1 so as to find durati...

meer dan 3 jaar ago | 2 answers | 0

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Question

add line in a datetime plot
Hello I have a figure with datetime in x- axis. I want to plot a vertical line like the one you see in attached picture but thro...

meer dan 3 jaar ago | 1 answer | 0

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fitting envelope peak points
@Image Analyst thank you once more for your answer!I tried to change the code so as to receive something like this but i did not...

meer dan 3 jaar ago | 0

Question

Best to import and plot one large csv file

meer dan 3 jaar ago | 1 answer | 0

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Question

fitting envelope peak points
I am facing some problems trying to create a fitting curve that will pass through maximum peaks. I tried findpeaks findpeaks...

meer dan 3 jaar ago | 2 answers | 0

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Question

plot vector with string timestamp
i want to plot some data with timestamp. Timestamp is string like this: 2019-07-01T18:55:02.197040 and my data are vector. Any h...

meer dan 3 jaar ago | 1 answer | 0

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Question

New variables in a loop
Hello everyone! I'm facing some issues while trying to create new variables inside a for loop. Here is the first part of my code...

bijna 4 jaar ago | 1 answer | 0

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Question

Replace values in collumns
Hi everyone. I am having an issue while processing some acceleration data. I retrieve in my file 8 collumns as you can see in pi...

ongeveer 4 jaar ago | 1 answer | 0

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Linear interpolation in loop
Any ideas how to calculate and plot two R2 values (one for each line) in every figure? x=[1:0.5:12.5]; y=[0.2455,0.247,0.2485,...

ongeveer 4 jaar ago | 0

Question

Linear interpolation in loop
Hello, i'm trying to create a script for traveltime curves which will have as an output several plots with 2 best fit lines. To ...

meer dan 4 jaar ago | 2 answers | 0

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Question

Plot large CSV files with timestamp
I have a large csv file and try to load it into MATLAB and plot it with timestamp. My release is 2016b and i have 8gb of RAM. M...

ongeveer 5 jaar ago | 1 answer | 0