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warnerchang


Last seen: environ un mois il y a Actif depuis 2021

Never be afraid to try something new

Programming Languages:
MATLAB
Spoken Languages:
English

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Question


How to plot a 3D disk with several holes quickly?
I used "patch" to plot a 3D disk with single central hole successfully, however, I do not know how to plot a 3D disk with severa...

7 mois il y a | 1 réponse | 0

0

réponse

Question


Limit angle in [-90,90] degree
As I was using ode45 to solve ODEs, I do not know to limit the result in [-90,90] degree. Anyone may provide some help?

9 mois il y a | 1 réponse | 0

1

réponse

Question


label is not at the center of axes
when I was plotting a 3D line, I tried to use xlabel/ylabel to make a axis label. However, I found these labels are not at the c...

10 mois il y a | 1 réponse | 0

1

réponse

Question


how can I change lighting using codes?
Now, I plot a figure, however, it is dark. And I use the button to change the lighting, I am wondering whether there exists a me...

10 mois il y a | 1 réponse | 0

1

réponse

Question


How to define a colormap easily
I tried to define a colormap, however it is rather difficult, because I have to choose a value and then I see what the color it ...

10 mois il y a | 2 réponses | 0

2

réponses

Question


what is the time complexity of function 'reshape'
anyone knows what is the time complexity of function 'reshape'?

10 mois il y a | 2 réponses | 0

2

réponses

Question


why use limit function goes wrong
syms x f=(2/pi*atan(x))^x; limit(f,x,inf,'right') Prompt:Inconsistent limit direction. however,I tried to transform the f...

10 mois il y a | 1 réponse | 0

1

réponse

Question


How to adjust the brightness of an image in YCbCr color space
anyone know how to adjust the brightness of an image in YCbCr color space?

10 mois il y a | 1 réponse | 0

1

réponse

Question


Why two methods give different results, and which is correct?
I use ode15i and ode45 to solve an implicit function, however two methods give different results, which is correct? clear clc ...

10 mois il y a | 1 réponse | 0

1

réponse

Question


why it will go wrong using 'cell'?
Recently, I ran two codes as follow: a={[],[]};a{1}(a{1}==3)=[]; % it will go wrong b=cell(1,2);b{1}(b{1}==3)=[];

10 mois il y a | 1 réponse | 2

1

réponse