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Yu Li


Last seen: 1 jour il y a |  Actif depuis 2022

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Question


case sensitivity issue of "load" function
Hi: I see in documentation here: https://www.mathworks.com/help/matlab/matlab_prog/case-and-space-sensitivity.html ...

25 jours il y a | 1 réponse | 0

1

réponse

Question


transfer numerical data end with 'M' and 'B'
Hi: I have a numerical data that is for example, 1234567, I can translate to "%f" and "%e" format using Matlab, but I would...

environ 2 mois il y a | 1 réponse | 0

1

réponse

Question


how to change font color of excel using Matlab (at specific sheet)
Hi: from the answer in link below, I learned the way to change cell color of Excel sheet using Matlab, however it only tell...

environ 2 mois il y a | 2 réponses | 0

2

réponses

Question


convenient way to achieve max value in matrix and it location
Hi: I have a 3-dimension matrix, a*b*c, I want to achieve the max value at 3rd dimension, and their corresponding location....

7 mois il y a | 1 réponse | 0

1

réponse

Question


appdesigner tab view issue
Hi: I have an app that showing the tab group at left, I noticed that when the tab name is too long, it will not be fully di...

8 mois il y a | 1 réponse | 1

0

réponse

Question


any convenient way to plot stock trading data without after & pre market data
Hi: I have stock market data and trying to plot them, the problem I'm facing is that, I want to look at the stock intraday ...

9 mois il y a | 1 réponse | 0

1

réponse

Question


missing decima using 'datetime' function
Hi: I tried to use command below to convert string to datetime, however, the result is : 27-Jun-2023 16:20:00 in...

10 mois il y a | 1 réponse | 0

1

réponse

Question


looking for convenient way to extract matrix from 1*n*n
Hi: I have a 3*3*3 matrix, and I want to extract the data after its summation. for example: A=zeros(5,5,5) B=sum(A...

11 mois il y a | 3 réponses | 0

3

réponses

Question


data assingment issue in parfor loop
Hi: I tried to assign matrix to pre-allocated variable "A" in "parfor" loop but failed, error message says: "Error: Unable ...

12 mois il y a | 1 réponse | 0

1

réponse

Question


transparency issue using "plot" function
Hi: I have two set of data, using the same function "plot", and implement 0.1 transparency, however, they looks very differ...

environ un an il y a | 1 réponse | 0

1

réponse

Question


how to find value in matrix based on specified location
Hi: I have a matrix and I want to cite the value at specified locaiton, the inputs is not specified row or colume, but the ...

plus d'un an il y a | 1 réponse | 0

1

réponse

Question


ceil at specified decima
Hi: Matlab "round" function can specify which decima to "round at", but there is no similar feature to "ceil" function. ...

plus d'un an il y a | 1 réponse | 0

1

réponse

Question


fail to convert datetime with pm string
Hi: I successfully convert string '2022-09-30 10-01' to datetime using command: datetime('2022-09-30 10-01','InputForm...

plus d'un an il y a | 1 réponse | 0

1

réponse

Question


'yyyy-mm-dd hh:mm a' inputFormat in 'datetime' function
Hi: I'm trying to convert a string to datetime, below are the result of two command: datetime('2022-02-22 9:30 am','Inpu...

environ 2 ans il y a | 1 réponse | 0

1

réponse

Question


pre-set axis limit to datetime
Hi: I have a figure and I want to set the x-axis to 'datetime' type before add any plot there, below is the code: figure ...

environ 2 ans il y a | 1 réponse | 1

1

réponse

Question


how to convert '10:00 AM' to datetime?
Hi: I have a string '10:30 AM', I want to convert it to time using 'datetime' but failed, is there any way to do that? I...

environ 2 ans il y a | 1 réponse | 0

1

réponse