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chia ching lin


Last seen: 10 months ago |  Active since 2020

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Question


Getting error when i use a self define function in a for loop
I wrote a self define function to find a specific string in a given string, the function name is FindNumInStr. function num=Fin...

1 year ago | 1 answer | 0

1

answer

Question


Solve function has no numerical answer
i'm trying to solve a simple eqation which has a large answer, but i can't get numerical answer, which keep having an answer of ...

2 years ago | 1 answer | 0

1

answer

Answered
Visualizing acoustic wave.
v=343; % m/s f=1000; % Hz w=2*pi*f; % angular frequency lambda=v/f; % wavelength k=2*pi/lambda; % k-vector x=-2:0.01:2;...

3 years ago | 2

| accepted

Question


How to control color and the intensity in a pcolor figure?
I'm try in to simulate a Coronae (diffraction of droplet). There are color depends by wavelength, and intensity depends by diffr...

3 years ago | 1 answer | 0

1

answer

Question


How can I create a 3D matrix?
I got three matrix, num1=linspace(0,1,100); num2=linspace(0,1,100); num3=linspace(0,1,100); how can combine them together t...

3 years ago | 1 answer | 0

1

answer

Question


Can I pcolor base on wavelength, any colormap can do so?
I'm tryimg to simulate diffraction pattern base on different wavelength. I can only find color map base on intensity. Is there a...

3 years ago | 1 answer | 0

1

answer

Question


Try lots of differences way simplifying my code but doesn't work well. How can I fix it?
Need help for simplifying my matlab code. I have tried function handle, cellfun, anonymous function, arrayfun. I do not know am...

3 years ago | 0 answers | 0

0

answers

Question


propagating wave created by point source adding random phase considering retarded potential
How can demo a propagating wave created by a point source considering retarded potential and phase change by time? I successfu...

3 years ago | 0 answers | 0

0

answers

Question


Can I store a function including multiple variable?
Hi, Im new to matlab, is it able to store function including multiple variable which still can be used? Something like this x...

3 years ago | 2 answers | 0

2

answers