Community Profile # Chris

Last seen: 7 jours ago Active since 2021

#### Statistics

• #### Content Feed

View by

Question

How can I make a Monte Carlo estimate for skewness (by using a sample size of n=500 with 500 repetitions?)
May I ask how can I make a Monte Carlo estimate for skewness (by using a sample size of n=500 with 500 repetitions?) Also, how ...

8 jours ago | 1 answer | 0

### 1

Question

Would you tell me the code for Fisher Pearson skewness?
Would you tell me the code for Fisher Pearson skewness? How can I get the skewness with Fisher Pearson formula..?

12 jours ago | 2 answers | 0

### 2

Question

How can I plot "Monte Carlo" with 3000 random numbers?
How can I plot "Monte Carlo" with 3000 random numbers?

12 jours ago | 0 answers | 0

### 0

Question

what formula do I have to put for calculating by using MATLAB?
N = 500, S = 110. Then what formula do I have to put for calculating by using MATLAB?

12 jours ago | 1 answer | 0

### 1

Question

How can I compare with daily precipitation data from the day before?
I have 30 years of daily precipitation data. I want to compare those data with the data from the day before. A is 10950*1 matr...

26 jours ago | 1 answer | 0

### 1

Question

How can I find numbers>30 in 810*1 matrix?
How can I find numbers>30 in 810*1 matrix?

26 jours ago | 1 answer | 0

### 1

Question

How can I extract specific data?
There are 7300*1 matrix of daily temperatures. Would you please tell me how can I get summer temperatures (June to August)?

27 jours ago | 1 answer | 0

### 1

Question

How can I select or extract rows?
I have a 9855 * 1 table indicating months. Such as 1 1 1 2 2 2 3 3 3 . . 12 12 12 1 1 1 2 2 2 ... How ...

27 jours ago | 1 answer | 0

### 1

Question

How to extract the specific rows from the table?
There are total of 30 years precipitation data (Januaray to December). There are only one column with January to December. How...

27 jours ago | 0 answers | 0

### 0

Question

How can I get precipitation data only for summer (June~August for 30 years)?
I have a daily precipitation data for 30 years. Then how can I get precipitation only for summer (June~August for 30 years)?

30 jours ago | 1 answer | 0

### 1

Question

How can I convert x-axis (cycle or day) to x-axis (frequency) ?
How can I convert x-axis (cycle or day) to x-axis (frequency) ? If it is possible, could you tell me the method??

10 mois ago | 1 answer | 0

### 1

Question

I want to draw dotted line arrow by using quiver. What do I have to do?
I want to draw dotted line arrow by using quiver. What do I have to do?

10 mois ago | 1 answer | 0

### 1

Question

How can I make arrows in Patches by using these codes?
<Code 1> %version that explicitly performs the inversion instead of just calling %lsqlin %set up some distances for a 1-dim...

10 mois ago | 0 answers | 0

### 0

Question

If I want to plot arrow in patch, what codes do I have to use? And is there any method by using quiver and patch together?
If I want to plot arrow in patch, what codes do I have to use? And is there any method by using quiver and patch together?

10 mois ago | 1 answer | 0

### 1

Question

If I want to plot arrow in patch, what codes do I have to use? And is there any method by using quiver and patch together?
If I want to plot arrow in patch, what codes do I have to use? And is there any method by using quiver and patch together?

10 mois ago | 1 answer | 0

### 1

Question

If I want to plot like this, what codes do I have to use??
I have rainfall data of Seoul and Busan. If I want to plot like this, what codes do I have to use??

10 mois ago | 1 answer | 0

### 1

Question

There will be 12 plots and I want to show 12 plots in one picture.
clear all Eqdate=datetime('18Jan23', 'Format', 'yyMMMdd', 'InputFormat', 'yyMMMdd'); files=dir('gps*'); for i=1:length(fi...

10 mois ago | 1 answer | 0

### 1

Question

I have total of 40 years = 40*365 days = 14600 days of rainfall datas. What if I want to represent a total of 40 plots per year, not per day unit?
p = textread('Rainfall of Busan (11.5.1981 11.5.2021).txt'); dt = 1; totalL = 14600; plot(p) I have total of 40 years = 40...

10 mois ago | 1 answer | 0

### 1

Question

I want to apply moving average filter! could you tell me how can I do that?
p = textread('Rainfall of Busan (11.5.1981 11.5.2021).txt'); dt = 1; totalL = 14611; T = [dt:dt:dt*totalL]; freqs = linspace...

11 mois ago | 2 answers | 1

### 2

Question

How can I use lowpass filter while keeping x-axis and y-axis range at log ??
How can I use lowpass filter while keeping x-axis and y-axis range at log ??

11 mois ago | 1 answer | 0

### 1

Question

What is this peak's meaning?
This graph is amplitude of Fourier transform of rainfalls (total of 14610 days) in frequency domain. In this case, what is this ...

11 mois ago | 2 answers | 0

### 2

Question

How can I plot 'period' by using fft functoin??
How can I plot 'period' by using fft functoin??

11 mois ago | 1 answer | 0

### 1

Question

Which filter do I have to use?
I have rainfalls data (11/5/1981 ~ 11/5/2021) for 41 years. If I want to see anual rainfall data (January ~ December) for 41yea...

11 mois ago | 1 answer | 0

### 1

Question

When I import this function, there is a error when I run this codes.
function importfile(fileToRead1) %IMPORTFILE(FILETOREAD1) % Imports data from the specified file % FILETOREAD1: file to re...

11 mois ago | 3 answers | 0

### 3

Question

How can I make 1 by length x array of random numbers from -pi to pi ??
How can I make 1 by length x array of random numbers from -pi to pi ??

11 mois ago | 2 answers | 0

### 2

Question

How can I create a "Phase Scrambler" function ??
How can I create a "Phase Scrambler" function ??

11 mois ago | 1 answer | 0

### 1

Question

Can I ask how can I make randomphase by using code??
Can I ask how can I make randomphase by using code??

11 mois ago | 1 answer | 0

### 1

Question

How can I increase the number of Fourier frequencies by adding 500 zeros to the end of the 27-sample-long signal ??
fs = 250; t = 0:1/fs:0.107; L = length(t); x1 = sin(2*pi*50*t)+0.3; fftx1=fft(x1) freqHz = (0:1:length(x1)-1)*fs/L; plot(f...

11 mois ago | 2 answers | 0

### 2

Question

I have to increase the number of Fourier frequencies by adding 500 zeros to the end of the 27-sample-long signal.
fs = 250; t = 0:1/fs:0.107; L = length(t); x1 = sin(2*pi*50*t)+0.3; fftx1=fft(x1) freqHz = (0:1:length(x1)-1)*fs/L; plot(f...

11 mois ago | 1 answer | 0