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Jianwei Guo


Active since 2011

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how could i scan a curve and get a surface while i use an n*n*n matrix to represent a space?
i want to use a matrix of 100*100*100 to represent a space, and each dimension represent a range of x, y or z. Each element coul...

12 years ago | 3 answers | 0

3

answers

Question


How could I get a smooth curve by "plot" function?
I find that when I draw a line using plot function, the line is not smooth enough and have jagged edge. I have tried enlarging t...

12 years ago | 3 answers | 2

3

answers

Question


How to use function "scatter3(y)" to show the image of a 3D matrix?
I want to use Matlab to show the image of a 3D matrix made up of 1 and 0. For example, a 3*3*3 matrix named testy, and ...

12 years ago | 1 answer | 0

1

answer

Answered
What is missing from MATLAB?
While now, I want to do 3D modeling task using matlab. And most in my need is a function that can translate mesh-surface in 3D-p...

13 years ago | 0

Question


How the selection function Remainder(@selectionremainder) works?
I've download the Global Optimization Toolbox User's Guide of R2011b. While I read the part of selection options of GA in Chapte...

13 years ago | 0 answers | 0

0

answers

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How to fully use the CPU of my PC?
When matlab R2011b is running a program, it only use about 20% CPU. So I'm wondering how could I make it fully use the CPU and t...

13 years ago | 4 answers | 1

4

answers

Question


How does Matlab know the boudary condition of spline while I did not provide?
When I use the spline functions in Matlab, I find most of them don't neeed boundary condition. So, I wondered there must be some...

13 years ago | 1 answer | 0

1

answer

Question


What function should I choose while sometimes ode45 will fall into endless loop?
Actually,the problem to solve sometimes don't have a solution. In this case, the ode45 will fall into endless loop, and could no...

13 years ago | 1 answer | 0

1

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