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warnerchang


Last seen: alrededor de 1 mes hace Con actividad desde 2021

Never be afraid to try something new

Programming Languages:
MATLAB
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Pregunta


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 meses hace | 0 respuestas | 0

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respuestas

Pregunta


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 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


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 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


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 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


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 meses hace | 2 respuestas | 0

2

respuestas

Pregunta


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

10 meses hace | 2 respuestas | 0

2

respuestas

Pregunta


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 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


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 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


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 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


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 meses hace | 1 respuesta | 2

1

respuesta