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peter huang


Last seen: 28 dagen ago |  Active since 2021

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How can I merge the matrices that produce different dimensions in the loop
Suppose my loop will generate matrices of different dimensions such as the first five matrices first lap 2...

ongeveer 2 maanden ago | 3 answers | 0

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answers

Question


How does matlab get the combinations that meet certain conditions in the matrix
Suppose I have a matrix A = [1 2 3 4 5 6 7 8 9 10]] I want to find out the combination of the following conditions respectively ...

ongeveer 2 maanden ago | 3 answers | 0

3

answers

Question


How to write data horizontally in matlab using xlswrite to express meaning like excel
How to write data horizontally in matlab using xlswrite to express meaning like excel aaa is str bbb is num ccc is str I try...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


How to automatically run all matlab files in a folder
If there are many matlab edits in my folder, is there any command in matlab that can automatically read the edit in the folder...

3 maanden ago | 1 answer | 0

1

answer

Question


how to create color bar arrow
How to make the data appear like the picture below, change the color with the increase

3 maanden ago | 1 answer | 1

1

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Question


using subplot in bar , how to adjust bar width
how to adjust unified bar width in subplot ex. code clear all ; clc ;clf x1 = [1 2 3]; y1 = [1 2 3 ]; x2 = [1 2 3 4 5]...

4 maanden ago | 1 answer | 0

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answer

Question


How to draw negative values ​​on bar when it contains negative values
if my data have negative values I want to draw the bar values ​​uniformly on the top of the bar chart, like the numbers above ...

4 maanden ago | 1 answer | 0

1

answer

Question


how do i use datetime adjust xtick
when i useing datetime plot timeseries i want adjust year by year xtick ex. 2007 2008 2009 2010 2011 ... 2022 Is there any w...

4 maanden ago | 2 answers | 0

2

answers

Question


How Timelines Unify in subplot
I want to unify the time of the xtick in the subplot, but the time length of the data is different I adjusted through the axis b...

4 maanden ago | 1 answer | 0

1

answer

Question


matlab plot rendering problem
Suppose my data has very low discreteness, as given in the attached file y2_max is x st20_1 and trend_parabolic are y I wo...

5 maanden ago | 1 answer | 0

1

answer

Question


how to query string exactly in matlab
I have a composition table. If I enter matlab, I will get a cell of n*1 e.g. file attached If I finish reading matlab I want ...

5 maanden ago | 1 answer | 0

1

answer

Question


when datenum is the x-axis How to change the x-axis to discernable time
I have a five-year water level data. On the x-axis, I use datenum to convert the time into numbers so that I can draw the graph,...

8 maanden ago | 1 answer | 0

1

answer

Question


how to use rose diagram appear wind direction and wind speed
i have wind data (direction and speed) but i can not know matlab polarhistogram code mean How can I render a rose diagram with...

9 maanden ago | 0 answers | 0

0

answers

Question


How to judge the duplicate value of the previous loop and the current loop in the loop
a = [201101 201107 201201 201207 201301 201307 201401 201407 201501 201507] for k = 1:2 if k =mod(k,2)==1 index =(1:5) y...

9 maanden ago | 1 answer | 0

1

answer

Question


matlab set loop conditons question
When multiple conditions are set in the loop, when encountering an item that satisfies the repeated conditions, how to determine...

9 maanden ago | 1 answer | 0

1

answer

Question


fft question about data length and spline data
I want use fft analizy my water level data. because my data have lost ,so i use spline fill up my data. but when i use data le...

9 maanden ago | 1 answer | 0

1

answer

Question


how to distinguish fft frequency is real existence or noise
i useing fft analyze tide water level i want find exist tide component but fft present a lot of noise i want distinguish fr...

10 maanden ago | 1 answer | 0

1

answer

Question


datenum using lunar calendar question
i want using lunar calendar in matlab and want plot my tide data and using lunar calendar be my timeseries but lunar calenda...

10 maanden ago | 0 answers | 0

0

answers

Question


How to add hours to the time data of one day
i have raw data timeseries (excel column A) i want use marlab add hours to the time data (like column B) how to addtion hours...

10 maanden ago | 2 answers | 0

2

answers

Question


matlab have lunar calendar code?
i have vids time series i want convert timeseries to lunar calendar (traditional Chinese calendar) matlab have code convert ?...

10 maanden ago | 0 answers | 0

0

answers

Question


How to remove noise from the signal analyzed by fft
i analyzed tide signal want find to the actual frequency but fft product many noise i want remove it matlab have which co...

10 maanden ago | 1 answer | 0

1

answer

Question


how to adjust x-axis in plot
i want x-axis to be 30 is starting point 30 2 4 6 8 10 .... 30 2 4 6 8 10 .... 30 2 ..... like a once a month loop

10 maanden ago | 2 answers | 0

2

answers

Question


I have a problem with drawing on the timeline
clear all ; clc ; clf ; set(gcf,'color','w') %% load data filehtm = dir('moving_windown_test.xlsx') ; for...

11 maanden ago | 0 answers | 0

0

answers

Question


How to remove leap year dates from time series in data
How to remove leap year(2/29) dates from time series in data (My time series is hour by hour)

ongeveer een jaar ago | 1 answer | 0

1

answer

Question


How to extract all the data for a fixed year
How to extract all the data for a fixed year and write a loop to get the annual data 1961, 1962...

ongeveer een jaar ago | 1 answer | 0

1

answer

Question


I have matlab problem removing outliers
I want to remove outliers by year, but the values are same every year. And my plot. My code: clear all ; clc ; clf ; set(gcf...

ongeveer een jaar ago | 1 answer | 0

1

answer

Question


i have loop problem
i have 5 year of data with water level and time i want to remove outlines for each year here is how i remove outlines : i wou...

ongeveer een jaar ago | 1 answer | 0

1

answer

Answered
prctile how to calculate
@Star Strider thanks i solve my problem successfully

ongeveer een jaar ago | 0

Question


prctile how to calculate
first of all , my english is not very good if there are many grammatical errors , please include it . hi, i don,t know about ...

ongeveer een jaar ago | 2 answers | 0

2

answers