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Liwei Dai


7 total contributions since 2015

Be patient, anything that's worthwhile takes time.

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Question


problems with char(XX) when XX is larger than 127
Hello, there. I've encountered the following problem. As I typed in char(120:180), I got a lot of ? marks like this: >> ch...

4 years ago | 0 answers | 0

0

answers

Question


How to change the legend colored linewidth, not the width of box outline
Like I just described, I want to change this: <</matlabcentral/answers/uploaded_files/41509/5F8A33D7-4421-4174-BD3C-637BE1B21...

4 years ago | 1 answer | 0

1

answer

Answered
How to skip the legends for some series of data that's actually Null after some Calculation?
LegendVector = {'Apple', 'Orange', 'Banana'}; ActualLegend = [~cellfun('isempty', Performance.Apple),... ~cellfun('isemp...

4 years ago | 0

Question


How to skip the legends for some series of data that's actually Null after some Calculation?
Hello, everyone. Here is the problem I am facing. Say I have 3 series of data, but some of the series could be of length 0. As I...

4 years ago | 1 answer | 0

1

answer

Question


How to delete cells in Excel and make the adjacent cells move in specific order?
I've just learnt that we can actually use ActiveX to manipulate Excel, but not quite familiar yet. I have an Excel file that ha...

4 years ago | 1 answer | 0

1

answer

Question


Could MATLAB convert a data( time series, e.g. SP&500 index 1-minute data) to a '.wav' format file?
Hi, there. I learnt that MATLAB wavread() function can read in the '.wav' file, then the function fft() can do the Fast Fourier ...

5 years ago | 0 answers | 0

0

answers

Question


How to change axis tick values to specific dates?
Hello, everybody, thanks for helping me on this. As I'm trying to reproduce a figure from a paper like this: it's a simple Mont...

5 years ago | 2 answers | 0

2

answers