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Ricardo Boza Villar


ETSI US Seville

Active since 2015

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Trying my script in another MATLAB release
Hi, I have *MATLAB R2015b*, and I have a script I would like to test in another *MATLAB* release, to see if it still works. I ...

7 years ago | 3 answers | 0

3

answers

Question


'help' information regarding 'local2globalcoord'
Hi, I've been working with 'local2globalcoord'. I saw the example given when I typed 'help local2globalcoord' on the workspace. ...

7 years ago | 0 answers | 0

0

answers

Question


Questions regarding plots and displays
Hi. I've been working on this code that calculates the velocity field of the boundary layer that appears around an ellipsoid whe...

7 years ago | 1 answer | 0

1

answer

Question


Where is the problem with these statements related to function 'interp1' with option 'pchip'?
When I write this on the workspace I get an error: x=[0 2 8 5 6 8 9 11 12 14 15]; y=[10*ones(1,6) 10.5 15 50 60 85]; ...

8 years ago | 2 answers | 0

2

answers

Answered
How can I treat a symbolic function in this script related to lagrangian interpolation
I was proud of the result, so I had to post it here. After some minor changes, this is what I got: Thanks again. % Thi...

8 years ago | 0

Answered
Problem with the plot of function besselj.
Thank you

8 years ago | 0

Question


Problem with the plot of function besselj.
I have this code: nu=1; whitebg('k') x=0:1e-3:9; for n=1:4 paso=1/2^(n-1); y1=besselj(nu,x); ...

8 years ago | 2 answers | 0

2

answers

Question


How can I treat a symbolic function in this script related to lagrangian interpolation
I have described what the script is intended to do with commentary (time spent to solve the problem 15~20 minutes max, I promise...

8 years ago | 3 answers | 0

3

answers

Question


How should I write this fprintf in order for it to work?
I have this: lambda=2; fprintf(['%%%%%%%%%%%%%%%'... ' lambda=%d '... '%%%%%%%%%%%%%%%\...

8 years ago | 2 answers | 0

2

answers

Question


How to get rid of some output from function 'fsolve' on the workspace.
I have written 3 scripts to solve a math problem, 'a49fun', 'a51fun', and the program 'a50'. When I run 'a50', I get some info...

8 years ago | 2 answers | 0

2

answers

Answered
Why doesn't the color vector work here?
Thank you both for your answers. The problem is solved, but I'd like to ask something else. Is it me or when I have several para...

8 years ago | 0

Question


Why doesn't the color vector work here?
I'm plotting a math function with a customized grid, but the color of the latter is black, whereas I've defined it as grey. Why ...

8 years ago | 3 answers | 0

3

answers

Answered
Can anyone tell me how to implement and determine a slope for a curve ?
Maybe this can help you: <</matlabcentral/answers/uploaded_files/46338/IMG_20160228_002832%20(2).jpg>>

8 years ago | 0

Answered
¿How can I get the value of a variable that is inside a function?
That's right, it seems like a lot of effort (relatively, of course ;)). Thanks for contributing with another point of view, anyw...

8 years ago | 0

Question


¿How can I get the value of a variable that is inside a function?
I would like to know how I can get the value of matrix A (random) on the command window without doing this: function []=a1...

8 years ago | 3 answers | 0

3

answers

Answered
Question about the '@' symbol.
Ok, thanks to you both.

9 years ago | 0

Question


Question about the '@' symbol.
This is quite a simple question but I don't know what f=@(x)(x.^5.*sin(x)) does. Could you explain it to me? I'v...

9 years ago | 3 answers | 0

3

answers

Answered
Error message in a program to solve a non-linear system of equations
I don't believe it! After reading your message I realised that I had written ones(n) while in fact it was eye(n). Silly mistake....

9 years ago | 0

Question


How can I convert MATLAB code into C code?
How can I convert MATLAB code into C code easily? Is there a toolbox or something?

9 years ago | 2 answers | 1

2

answers

Question


Problems with the forum webpage?
Why am I having problems with the forum page? The 'log-in' button appears in Chinese and when I ask a question the letters are n...

9 years ago | 0 answers | 0

0

answers

Question


Error message in a program to solve a non-linear system of equations
I would like to know why I receive an error message telling me that the matrix used to solve the problem is singular to working ...

9 years ago | 2 answers | 0

2

answers

Question


How can I avoid the fill-in problem?
I would like to know if there is a way to avoid the fill-in problem adding some code lines to the script. The thing is that whe...

9 years ago | 2 answers | 0

2

answers

Question


How can I obtain parameters K' and tau in transfer function G2?
I have a transfer function and I need to approximate it for another which is simpler, a linear one. So I have: U1=[K K*c]...

9 years ago | 1 answer | 0

1

answer

Question


How can I select a default folder?
I have a problem with selecting the default folder that MATLAB displays on the left when I open it. I would like to change it fo...

9 years ago | 2 answers | 0

2

answers