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Alexander


Retiree

Last seen: 5 Monate vor |  Aktiv seit 2022

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Programming Languages:
C
Spoken Languages:
German
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He/him

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  • 6 Month Streak
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  • Knowledgeable Level 2
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  • Thankful Level 2

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Beantwortet
How to find delay of signal sample
Maybe this would be helpful: https://www.mathworks.com/matlabcentral/answers/2107496-how-to-find-delay-of-signal-sample @Manik...

10 Monate vor | 0

Beantwortet
Reading multiple .txt files and plotting a graph
My ancient approach: clear; fid = fopen('S1.txt','r'); fgetl(fid);fgetl(fid); Titel = fgetl(fid) for(ii=1:44) dyTxt = ...

10 Monate vor | 1

Beantwortet
How can I change the decimal separator when exporting to Excel?
Excel uses the operating system defaults. To change this open a file in Excel and click on the windows butten (top left). Go to ...

11 Monate vor | 0

Beantwortet
How to use an output from on file as input in another file.
Do you mean something like this: function [S,V]=enzymeLeastSquares(r,g); S=sum(r,8) V=sum(g,8) and the calling function migh...

11 Monate vor | 1

Beantwortet
Cutting (dividing) a matrix into a specific number of rows.
Just another approach. Simple but it might be helpful. I assume in the first half of your matrix are x or t, in the second half ...

11 Monate vor | 1

Beantwortet
Can I smoothen the cdfplot() result?
@Mathieu NOE, thank you for remaindig me. This question kept nagging me, but I just forgotten it. Here are some rudimentary apro...

11 Monate vor | 1

| akzeptiert

Beantwortet
how to open excel files and write data?
Just use "xlswrite(FILE,ARRAY,SHEET,RANGE)" in your loop four times with the appropriate file and sheet name. Of cause you have ...

11 Monate vor | 0

Beantwortet
Loop for Concatenating files *.CSV
I'm really not sure if I understood you correctly, but this might be what you want: load Folder for ii = 1:10 dy = iwant{...

11 Monate vor | 0

Beantwortet
how to enter exponential multiplication with a time dependent array
Do you mean something like that: t=0:0.06:3; fa=10*exp(-5*t) plot(t,fa)

11 Monate vor | 0

Beantwortet
Plot Piecewise function graph
You should change axis([-4\pi 4\pi -4 4]); to axis([-4*pi 4*pi -4 4]); in the first step. Than you can see your complete f...

11 Monate vor | 0

Beantwortet
Graphing the sine graph
t = linspace(0,2*pi,1000); y = sin(t).^2; plot(t,y);

12 Monate vor | 0

| akzeptiert

Beantwortet
How to plot polynomial in matlab
Some homework assistance and solution: x = linspace(0,0.8,1000); y = 150*x - 400*x.^2 + 500*x.^3; plot(x,y)

12 Monate vor | 0

Beantwortet
How to find transfer function to a second order ODE having a constant term?
Are you looking for something like this: AnregeAmpl = 1; % mm fmax = 20; % Hz f=0.1:0.1:fmax; ...

12 Monate vor | 0

Beantwortet
normalize(A,"range") function throwing error of "Too many input arguments." in Matlab 2023a.
Move "Q:\matlab-toolbox\geom2d" with pathtool to the bottom and save. If it is in your startup file apply -end like this: addpa...

12 Monate vor | 0

Beantwortet
Need to fit a curve to some data points
Seems to be an exponetial behavior. Use lsqcurvefit to approximate a curve according your needs. My code: dXdata = [1 2 100] d...

12 Monate vor | 0

Beantwortet
Using continous time in Matlab editor
Maybe something simple like that: V1 = 18; % Input voltage R = 7.2; ...

12 Monate vor | 0

Beantwortet
How to find zeros of a function?
If it's not a function but meassured data I would go like this in a first try: x = -3.55:0.0001:3.55; % assuming 10 kHz sample ...

12 Monate vor | 1

Beantwortet
Arduino MATLAB sin function loss of resolution with data
You should define a sample rate in your program, e.g.: const unsigned long AbtastRate = 60000; // 60000 entspricht einer Minute...

12 Monate vor | 0

Beantwortet
How to find out the amplitude and duration of a sine wave of different amplitudes?
Here is another approach as promissed above: clear;clf;commandwindow; fs=1000; % sampling rate [Hz] ts=1/fs;...

12 Monate vor | 0

Beantwortet
How to find out the amplitude and duration of a sine wave of different amplitudes?
Very easy approach with "movmax": clear;clf; fs=1000; % sampling rate [Hz] ts=1/fs; % sampl...

12 Monate vor | 0

Beantwortet
how to use the hanning window to smooth the photon signal
I can't see this effect you mentioned. smooth_data remains the same size as data (I assume data = Photoncounts1). What do you ex...

12 Monate vor | 0

Beantwortet
How can I convert indices into a binary matrix?
Maybe something like the following? fid = fopen('Item.txt'); A = []; while(~feof(fid)) syLine = fgetl(fid); dyA = z...

12 Monate vor | 1

Beantwortet
How Do I Have my Program Accept a Negative Year as Valid
datetime(-1,1,1) answeres 01-Jan--0001 which is correct.

fast ein Jahr vor | 0

Beantwortet
Algorythm for Average of excel data
A very easy approach (as allways): %Algorythm for Average of excel data %https://de.mathworks.com/matlabcentral/answers/208248...

etwa ein Jahr vor | 0

Beantwortet
Import CSV from nth row. n is variable across files
I think (the specialists here might correct me) you don't get a ready to use function, that solves your problem. Here a suggesti...

etwa ein Jahr vor | 0

Beantwortet
How to convert 30s daily data into hourly data using MATLAB?
Hi Aiswarya, I also can only assume your intention. My solution would be: clear data = dlmread('sample_hourly_shlg_testdata_E...

etwa ein Jahr vor | 0

Frage


In between the years, a PISA question (nothing essential): The last digit of 7^190
Last digit of 7^190, I thought a simple question if you have Matlab. But fprintf('%f\n',7.0^190.0) reports 4 as last digit, bu...

etwa ein Jahr vor | 1 Antwort | 0

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Antwort

Beantwortet
Create 30 minute bins by reading time stamps
Whers is this file Data.xlsx from? I think someone has corrupted the "Calculated time" column. In this column is a mixture of fo...

etwa ein Jahr vor | 0

Beantwortet
How to get a plot out of a .csv data from a sensor?
My old-fashioned solution, not "fine arts", but works. clear; close all; Lines = char(zeros(30000,40)); % Could be any number ...

etwa ein Jahr vor | 1

Beantwortet
Convert a datetime to string
Use mm instead of MM. checkdate = datestr(datelist{1,d},'yyyy_mm_dd') should do the work. As I have not your datelist,...

etwa ein Jahr vor | 0

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