JFz
2015년부터 활동
Followers: 0 Following: 0
Publish your first review
Awarded to JFz on 09 Oct 2019
Accept 50 answers given by other contributors
Awarded to JFz on 10 Jan 2018
Feeds
질문
How does function std process complex numbers
In function S = std(A), there are complex numbers in matrix A. How does std calculate on complex numbers? Thanks
5년 초과 전 | 답변 수: 2 | 0
2
답변질문
dir or ls are not working properly
Hi, I have a remote folder and there are many .mat files in it. I can see those files in windows explorer. But in matlab comma...
5년 초과 전 | 답변 수: 1 | 0
1
답변질문
how to convert ,mat data file to R
Hi, I recently got a task to convert a .mat data file into an R datafile. I don't know how about R at all. So I am asking a...
5년 초과 전 | 답변 수: 1 | 0
1
답변질문
Keep getting error: Failed to load the sqljdbc_auth.dll cause: no sqljdbc_auth in java.library.path
Hi, I created a standalone Matlab test app to access a SQL database using JDBC, and deployed it to a Windows 2012 server. But...
대략 6년 전 | 답변 수: 0 | 0
0
답변질문
How to let server or deployed app know where to find DB driver?
Hi, I have a test app, only a few lines to just test the database connection and run a querry via database toolbox. I compiled ...
대략 6년 전 | 답변 수: 1 | 0
1
답변질문
How to use splitApply to get the coefficients of fitlm?
Hi, I have a table dummyTable that I would like to findgroup and then splitApply. The function in the splitApply is fitlm. So...
대략 6년 전 | 답변 수: 1 | 0
1
답변답변 있음
Strange problem with readtable
Just discovered that when I run the executable, and supply the file name, I cannot add a ";" at the end of the command.
Strange problem with readtable
Just discovered that when I run the executable, and supply the file name, I cannot add a ";" at the end of the command.
대략 6년 전 | 0
| 수락됨
질문
Strange problem with readtable
Hi, I wrote a small Matlan 2018a application and it runs smoothly. But after I compiled it into an executable and started to ru...
대략 6년 전 | 답변 수: 1 | 0
1
답변답변 있음
Need help with innerjoin where innerjoin returns more rows than necessary
Just found what's wrong here. Table B has same rows multiple times.
Need help with innerjoin where innerjoin returns more rows than necessary
Just found what's wrong here. Table B has same rows multiple times.
대략 6년 전 | 0
| 수락됨
질문
Need help with innerjoin where innerjoin returns more rows than necessary
Hi, I am using innerjoin to join two tables A and B: C = innerjoin(A, B); A has 30 rows and B has 140 rows. After the join, th...
대략 6년 전 | 답변 수: 1 | 0
1
답변질문
How to extract Jan and feb dates from an array of date strings?
Hi, I have an array of cells of date string. I need to extract all the dates in Jan and Feb. How to do that? Thanks a lot!
6년 초과 전 | 답변 수: 2 | 0
2
답변질문
How to assign a number to an array of double?
Hi, I have an array of doubles a. It has integers from 0 to 6. I want to keep the 0s and 2s, but change all other numbers to ...
6년 초과 전 | 답변 수: 1 | 0
1
답변질문
How to calculate regression with dummy variables?
Hi, I am trying to use 2nd degree polynomial regression with dummy variables. Which function should I use? Thanks for any he...
6년 초과 전 | 답변 수: 1 | 0
1
답변답변 있음
readtable error "Sheet name does not exist or is not supported"
Thanks for the help. I just fixed it! Some the date format in the sheet is not readable in Matlab. I changed the Date format ...
readtable error "Sheet name does not exist or is not supported"
Thanks for the help. I just fixed it! Some the date format in the sheet is not readable in Matlab. I changed the Date format ...
6년 초과 전 | 0
| 수락됨
질문
readtable error "Sheet name does not exist or is not supported"
Hi, I use readtable all the time but never had this error until today: "Sheet name does not exist or is not supported, To ch...
6년 초과 전 | 답변 수: 1 | 0
1
답변질문
How to replace nan with the mean of the four numbers surrounding it?
Hi, I have a large matrix and there are nan in it. Sometimes a whole row is a nan. How to replace nan with the mean of the ...
6년 초과 전 | 답변 수: 1 | 0
1
답변질문
How to convert a cell array of datetime to an array of datetime
Hi, Is there a simple way to convert a cell array of datetime to an array of datetime without using cellfun? My cell array loo...
6년 초과 전 | 답변 수: 1 | 0
1
답변질문
Error when fastinsert a table into DB vs no error if inserting only one row
Recently upgraded from 2016a to 2018a. Got an error in fastinsert. But if I insert only one row, there is no problem. Here is th...
6년 초과 전 | 답변 수: 0 | 0
0
답변질문
MATLAB 2018a error: Error using actxserver:
Hi, My script that connecting Matlab and Power World is not working after migrated to 2018a. Here is the error: Server cre...
6년 초과 전 | 답변 수: 1 | 0
1
답변질문
How to find out the Proxy Server and port when compiling and installing magicsqaure?
Hi, I am testing the magicsqaure compiling and installing. I can compile without problem. But when installing, it needs Proxy S...
6년 초과 전 | 답변 수: 0 | 0
0
답변질문
Got error in compiling standalone app 2018a
Hi, I am compiling a simple matlab file and got this error: Compiler version: 6.6 (R2018a) Dependency analysis by REQUI...
6년 초과 전 | 답변 수: 2 | 0
2
답변질문
In classdef, how to call a static method from an other class P.c.averages()?
Hi, I am moving to 2018a from 2016a and found this error: External converter methods for package-qualified classes not suppo...
6년 초과 전 | 답변 수: 0 | 0
0
답변질문
Error in 2018a: External converter methods for package-qualified classes not supported
Hi, My code (running perfectly in 2016a) cannot run in 2018a due to an error: External converter methods for package-qualifi...
6년 초과 전 | 답변 수: 1 | 0
1
답변답변 있음
deploytool error when trying to build an exe-file with 2016a
I have the license but didn't install it. How to install the compiler? Thanks.
deploytool error when trying to build an exe-file with 2016a
I have the license but didn't install it. How to install the compiler? Thanks.
6년 초과 전 | 0
질문
deploytool error when trying to build an exe-file with 2016a
Hi, I have purchased the license of Matlab compiler SDK. But when I type deploytool in the command window, I get this error:...
6년 초과 전 | 답변 수: 2 | 0
2
답변질문
How to copy an object that is not a graphic one?
Hi, I have an object of a class which I defined. I would like to make a copy of that object. But copy or copyobj do not seem ...
6년 초과 전 | 답변 수: 2 | 0
2
답변질문
How to concatenate an array of numbers without for loop
Hi, I have an array of integer numbers A = [1, 2, 3]. I would like to concatenate the numbers for use in SQL statement like '(...
6년 초과 전 | 답변 수: 2 | 0
2
답변질문
Splitapply on a matrix of 1X1000
I have a matrix of 1x1000 numbers and my G is 1. When I do the splitapply on it: res = splitapply(@sum, mat, G); The res Is...
6년 초과 전 | 답변 수: 1 | 0
1
답변질문
Problem with print function
Hi, I use print('-f1', filename, '-djpeg') to save a figure into a remote drive and it worked as a charm yesterday. But fo...
거의 7년 전 | 답변 수: 0 | 1
0
답변질문
Calculate R squared from a linear regress
Hi, I have a set of scattered data and I can use the operator "\" to do a linear fit on the data. But is there a simple matl...
거의 7년 전 | 답변 수: 1 | 0
1
답변
또한 다음 목록에서 웹사이트를 선택하실 수도 있습니다.
미주
- América Latina (Español)
- Canada (English)
- United States (English)
유럽
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom(English)
아시아 태평양
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)