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Joe kiao


Active since 2015

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obtain s parameter using matlab through GPIB-USB from network analyzer
I have some problems with the matlab code for using VNA to measure S parameter using USB-GPIB. VNA = instrfind('Type', '...

4 years ago | 0 answers | 0

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answers

Question


Matlab curves in figures become blur ever since I update NVIDA Graphics driver
Before I update NVIDA Graphics driver, the curves I plotted are like <</matlabcentral/answers/uploaded_files/68310/1.JPG>> ...

6 years ago | 1 answer | 0

1

answer

Question


Why cgs does not converge
I have a matrix equation. The dimension of my matrix is 16,000. I called `cgs(A,b)` to solve it, but it said the it did not conv...

6 years ago | 0 answers | 0

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Question


How to use cgs with your own matrix-vector multiplication?
From doc cgs I see, you can call the cgs function like: x=cgs(@afun, b); function afun is your self defined matrix vector...

7 years ago | 1 answer | 0

1

answer

Question


How to specify the number of labs in smpd?
My computer has 4 cores. When I use smpd(3) c=labindex; if(c==1) a=1; elseif(c==2) b=1; ...

7 years ago | 2 answers | 0

2

answers

Question


How to run 4 loops simutaneously?
In my code there are 4 matrix to fill. So there are 4 "for...end". They are independent by each other. Now I want to do some acc...

7 years ago | 1 answer | 0

1

answer

Question


How to read data one by one
The file is like 2 0.5 0.6 0.7 0.0 -2.5 6.3 The first line is the number of points. The others are the coordinates o...

8 years ago | 1 answer | 0

1

answer