SYML2nd
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Accept 20 answers given by other contributors
Awarded to SYML2nd on 24 Feb 2023
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Frage
SOLVE-ONLY one solution
I am trying to solve a system of two equations which I know they intersect in three points. I am using this code (which I simpli...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Curve Fitter tool-Center and scale
I am using the matlab Curve Fitter tool. I don't know what means the button "Center and scale". Can you explain? I tried to use ...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
truncated plot displayed adding the size
Hi, I am trying to set the size of my graph. I simply added at the end of set 'units','points','position',[70,70,750,200], as y...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Failing in creating a surface from three array
I am trying to create a surface from this dataset x=[0.5 ; 0.624; 0.75;0.874; 0.9;1;1.124] y=[0; 1.1;1; 0.9;0.6;0] z=[0.72658...
etwa 2 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
choose the limit of two y axes
I would like to do a graph with two y axes. I have found this. I have two questions that have no answer here: 1.how to have the...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
delate a specific number in an array and the number that have the index corresponding to the this number in an other array
If I have two array A and B: A=[0,0,3,4,5,6,7,8,9,0] B=[10,9,8,7,6,5,4,3,2,1] I want to delate the 0 in A and the number that...
fast 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
graph with 2 axes
Hi, I have a graph of a function that can be possibly have 2 x axis that are linked by law. So I would like to present my func...
fast 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Avoid Displaying the data simultaneously in the command window
Hi, My codes usually starts from data in a csv file, so I use the command ***=readtable('***.csv') then I manipulate this dat...
fast 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
select only one value every four (or different numbers) in an array
Hi, I would like to select only one value every four in an array. For instance, given an array [1 2 3 4 5 6 7 8 9 10 11 12 13 ...
fast 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
black line frame around scatter3
I plotted in 3d with scatter3 and then I used: view(0,90) Now I would like to add a black line frame on the top and on the lef...
etwa 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
inclined number in x-axis using scatter3 view(0,90)
I plotted an image that I created with an older version of Matlab. I plotted it in 3d with scatter3 and I plotted using: view(0...
etwa 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Linear interpolation two array with target value in one array
Given two array A=[483, 427, 306, 195] B=[0, 0.25, 0.5, 0.75] Given a target the value 241, which is between the values 30...
mehr als 3 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
Does pwelch function adopt already the correction factor due to the window?
Does pwelch function adopt already the correction factor due to the window? When we use a window like hamming a correction fa...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
pwelch info: equation involved and problem on the integral
Hi, I would like to reduce the noise in my psd. Given a signal in time u, that has a length of 80001, and decided the length of...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
From plot to video
Hi all, I have done this code and I obtain a plot of graphs where every graph represent the result at a different second. How c...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
I would like to compile a text string for each one of the three index of two given arrays
Hi, Given two array XX=[1,2,3] YY=[3,2,1] and a typical string: &DEVC ID='vel_XX', QUANTITY='VELOCITY', ABC=YY,0.0525,9.74/ ...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Curve Fitting Tool - Weibull distribution
Hi all, I am trying to do a fitting of a graph, using the curve fitting Tool and, in particular, using the Weibull option that...
etwa 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Create a 2d matrix with two nested cycle
Hi all, I am trying to create a 2d matrix with two nested cycle. My code is really complex, so I have written a very simple ve...
etwa 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Concatenate horizontally two tables
Hi, I have two tables 3262x218 (let's call it A) and 3262x255 (let's call it B) . Both have an header line. I want to concaten...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
system of 3 equation with 3 unknown, with two 2nd order equation
Hi, I am trying to solve a system of 3 equation with 3 unknown, with two 2nd order equation using this code, but unfortunately...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
thick values i log scale
Hi all, I would like to obtain (using the loglog in order to plot the graph) a thick line on the abscissa thick with the value...
fast 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
find the σ and the μ of the lognormal function, having 1st percentile and the 99th percentile
I have to build find the σ and the μ of the lognormal function, having the value of the 1st percentile (which is 30) and the 99t...
etwa 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
remove the first header
Hi I have this csv file. As you can see in the png file the first header is useless for me. I want to import a table and then ...
mehr als 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
fft of sin(pi*x/5)./(pi*x) returns NaN
Hi, I don't know why, if I do the G=sin(pi*x/5)./(pi*x), it returns NaN, can you help me? Thanks x=-100:0.1:100 G=sin(pi*x/5...
mehr als 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
expected value formula in xcorr
Hi all, when I use the xcorr, the formula used in matlab is C(m) = E[A(n+m)*conj(B(n))] = E[A(n)*conj(B(n-m))] where E is the e...
mehr als 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
PSD-Wiener Khinchin-xcorr problem due to the division coefficients of the PSD
Hi, I am trying to calculate the PSD from the autocorrelation. I am finding the following problems doing this (it is mandatory ...
mehr als 5 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
do the psd using different methods (maybe there is a problem in the normalization9
Hi, I would like to verify if the result is the same using the first method described herehttps://it.mathworks.com/help/signal...
mehr als 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
obtain the fourier trasnform doing the fft. Do I need to normalize??
Hi, I have a signal in time domain, actually, specific kinetic energy was calculated in time domain and its medium value is 10 ...
mehr als 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
homographic interpolation of experimental data point
Hi all, I have a theoretical and practical problem. I want to do interpolation using this homographic function y = (ax + b)/(...
mehr als 5 Jahre vor | 0 Antworten | 0
0
Antwortenfrequency vector in a fft
First of all thank you for your answer. But I have still doubts? So was my frequency correct? I didn't get why you multiplied ...
mehr als 5 Jahre vor | 0
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