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Nguyen Trong Nhan


HCMC University of Technology

Last seen: más de 2 años ago Active since 2013

I'm a student at Ho Chi Minh City University of Technology in VietNam. I use MATLAB for my studying. Hope you help me answer my questions.
Thank you very much.
Professional Interests: Electronic, Physics

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Convert a vector to vector sequentially?
I have 2 vector: init = [1 2 3 4], final =[5 6 7 8]. I would like to genertate all the vector like the following: [1 2 3 4] [5 ...

más de 2 años ago | 2 answers | 0

2

answers

Question


How to plot line spectrum in matlab ?
I would like to plot a spectrum (output of FFT) with a form like the provided image. How do I do it? Because the common plot in ...

casi 4 años ago | 2 answers | 0

2

answers

Question


Draw tangent line in step response ?
Hi all. I'm designing the PID controller. When I have drawn my step response function. I need to draw a tangent line at the maxi...

casi 7 años ago | 1 answer | 0

1

answer

Question


Help me about creating table in matlab ?
I have 3 vector. x = [1;2;3;4;5]; z = [1.2;2.4;3.4;5.0;4.1], y = [12;11;24;18;20]. And I want to create a table from that vecto...

casi 8 años ago | 2 answers | 0

2

answers

Question


Help me about the toolbox ?
<</matlabcentral/answers/uploaded_files/16498/Capture123.JPG>> <</matlabcentral/answers/uploaded_files/16500/Untitled456.pn...

alrededor de 8 años ago | 0 answers | 0

0

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What's the problem ? Help me
I have problems today with my Matlab. Why ? Help me :) <</matlabcentral/answers/uploaded_files/16475/Capture123.JPG>>

alrededor de 8 años ago | 1 answer | 0

1

answer

Question


Help me with this error ?
I downloaded this file from file exchange (fixedpoint iteration method find approximate root of nonlinear equation). But I don't...

más de 8 años ago | 1 answer | 0

1

answer

Question


Help me about the error with symsum function to calculate the sum of series ?
<</matlabcentral/answers/uploaded_files/13362/Untitled.png>> I use symsum to calculate the sum of a series, with 1) and 2), i...

más de 8 años ago | 1 answer | 0

1

answer

Question


what 's different between axis square and axis equal in matlab ?
when I plot or surf, what's different between axis square and axis equal ?

más de 8 años ago | 2 answers | 0

2

answers

Question


Help me how to calculate sum of series ?
<</matlabcentral/answers/uploaded_files/13330/Capture.JPG>> help me how to calculate the sum of a series in Matlab. (for exam...

más de 8 años ago | 4 answers | 0

4

answers

Question


Help me about sphere ?
<</matlabcentral/answers/uploaded_files/13329/Capture.JPG>> <</matlabcentral/answers/uploaded_files/13328/Capture.JPG>>...

más de 8 años ago | 1 answer | 0

1

answer

Question


What's the problem with my Help window of Matlab R2013a ?
<< << <</matlabcentral/answers/uploaded_files/12482/Untitledd.png>> >> >> It's my Help window of Matlab problem. ...

más de 8 años ago | 1 answer | 0

1

answer

Question


What's MuPad in Matlab ? is it useful ?
What is MuPad of Matlab ? What's is difference between command in MuPad and command in Command Window. Is MuPAD useful for me ? ...

más de 8 años ago | 1 answer | 0

1

answer

Question


Help me about the error when I use solve command ?
I use matlab R2013a, <</matlabcentral/answers/uploaded_files/6479/hinh2.JPG>> <</matlabcentral/answers/uploaded_files/6...

más de 8 años ago | 1 answer | 0

1

answer

Question


help me echelon matrix ?
I have a matrix: syms m A = [1 2 3 4;2 -1 1 1;-1 4 3 2;1 2 0 m] with m is the parameter I use rref command: ...

más de 8 años ago | 2 answers | 0

2

answers

Question


What is the difference between null(A) and null(A,'r') in Matlab ?
What is the difference between null(A) and null(A,'r') in Matlab ? Could you give me an example ? thanks

más de 8 años ago | 1 answer | 0

1

answer

Question


How to solve system of equation in Matlab ?
How to solve the system of equations that the number of variable is fewer than the number of equations. for example: x + ...

más de 8 años ago | 2 answers | 0

2

answers

Question


Help me about sound in Matlab ?
when I use msgbox. I'd like it have a sound when the msgbox appear. How do I do that ? thanks very much.

casi 9 años ago | 1 answer | 0

1

answer

Question


Help me about the code for GUIDE of Matlab ?
I create a GUI with buttons, edit text, Static text,... When I finish write the code for buttons, It's odd some functions that I...

casi 9 años ago | 1 answer | 0

1

answer

Question


Help me about the Static text og GUIDE ?
When I make a static text in GUI, the text not lay at the center of the rectangle (although I have adjusted the HorizontalAlignm...

casi 9 años ago | 1 answer | 0

1

answer

Question


help me about drawing 3D in matlab ?
Let D is the region limit by: y = x^2 + 1, y = 0, x = 0, x = 3. Now I can draw the region D by fill command. Could you please he...

casi 9 años ago | 1 answer | 0

1

answer

Question


How to permute the rows and columns in a matrix ?
for example: I have matrix A: A = [1 2 3 4;5 6 7 8;9 10 11 12;13 14 15 16] how to permute between column 1 and column 4 ? how ...

casi 9 años ago | 3 answers | 1

3

answers

Question


Help me about number in matlab ?
In matlab, Ex: x = 1.5; How do I do to result shown fraction x = 3/2 thanks

casi 9 años ago | 1 answer | 0

1

answer

Question


Help me about matrix in Matlab ?
Give a square matrix A. For k is positive integer. Find k that A^k = 0. (I'm Vietnamese, I don't know How to call k in English)...

casi 9 años ago | 1 answer | 0

1

answer

Question


How to make my GUIDE look more professional ?
<</matlabcentral/answers/uploaded_files/6289/1512440_1427997877432850_1358738848_n.jpg>> this is my GUIDE, I make it for my p...

casi 9 años ago | 2 answers | 0

2

answers

Question


Help me about msgbox in Matlab GUI ?
I made a guide for my applet, now I create a message box by command: h = msgbox('My physics applet is about to start,','MyA...

casi 9 años ago | 2 answers | 0

2

answers

Question


Help me about this in GUIDE of Matlab ?
I have make a matlab GUIDE for my physics applet, Now I want this : when I run my GUIDE, It appear a dialog or a small window wi...

casi 9 años ago | 2 answers | 0

2

answers

Question


Help me about GUI in Matlab
I make a GUI in matlab. When I run it, I want it appear the GUI then It appear a box with letters : " Hello! Welcome". How I d...

casi 9 años ago | 1 answer | 0

1

answer

Question


Help me about creating GUI in matlab ?
I created a GUI in matlab but I can't make my GUI as big as full screen. Can you help me how to make it big as full screen. tha...

casi 9 años ago | 2 answers | 0

2

answers

Question


Help me the radio button in Matlab ?
I create a GUI have 2 radio button. And now I want that : if I ckeck the first radio button, It automatically uncheck the second...

casi 9 años ago | 1 answer | 0

1

answer

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