photo

Artur M. G. Lourenço


Federal University of Campina Grande

Attivo dal 2011

Followers: 0   Following: 0

Messaggio

Environmental Engineer, Master in Civil and Environmental Engineering. Works in the area of water resources, with emphasis on modeling water systems, environmental systems analysis and decision support systems.
Professional Interests: Environmental Engineering

Statistica

  • Thankful Level 3
  • Knowledgeable Level 1
  • First Answer

Visualizza badge

Feeds

Visto da

Domanda


How to optimize a fuction whith SCE-UA algorithm?
Hello Guys, I'm trying to optimize a function using the SCE-UA algorithm, but I am not getting success. Could someone help me...

circa 11 anni fa | 0 risposte | 0

0

risposte

Risposto
nntrainingtool gui for custom training algorithm
I tried doing this once, but got no success. I was told that you can edit the original file '*. M' some training function pre-ex...

circa 11 anni fa | 0

Risposto
How to define constraints that result integer numbers in Linear programming?
If someone needs: http://www.mathworks.se/matlabcentral/fileexchange/25259-linear-mixed-integer-program-solver

oltre 11 anni fa | 0

Domanda


How to define constraints that result integer numbers in Linear programming?
Hello, i need define the constraints in my linear programming problem, the constraints need to be integer numbers. e.g.: ...

oltre 11 anni fa | 2 risposte | 0

2

risposte

Domanda


Excel add-in say´s "MATLAB is not running, do you want run MATLAB now?". How to solve this problem?
Hi! When I try to use exlink in excel (putmatrix, getmatrix) although MATLAB 2013a is open, excel opens new MATLAB which l...

oltre 11 anni fa | 2 risposte | 0

2

risposte

Domanda


How to find x data in a interpolate curve?
Hello everybody, how can I find the data of x related to y on a curve interpolated data for x and y? wanted to find the ti...

oltre 11 anni fa | 1 risposta | 0

1

risposta

Risposto
How to update new value in next iteration?
Sorry if I misunderstood. It would be just that? S12t=6+2*1i; S01t=10+5*1i; U1=110; U2=110; R12 = 16.2+24*1i; ...

oltre 11 anni fa | 0

Risposto
How to save a *.fig with the legend included?
Try this, figure; A = loglog(1:50) hold on B = loglog(1:50) C = loglog(1:50) str = sprintf('3SRS - Run %d - Dir %...

oltre 11 anni fa | 0

Risposto
Distribution graph velocity : how to make simple paraboloid of revolution?
i can´t do it

oltre 11 anni fa | 0

Risposto
the command "clc" and "clear all" does not work on a script in the editor.
I was misunderstood in my question or did poorly.

oltre 11 anni fa | 0

Risposto
Distribution graph velocity : how to make simple paraboloid of revolution?
sorry 'u' is: u = (-a^2 - r^2) / 4 * mi

oltre 11 anni fa | 0

Domanda


Distribution graph velocity : how to make simple paraboloid of revolution?
Hello Guys, I have a simple problem. You remember the mechanics of fluids? To calculate the velocity distribution in a circul...

oltre 11 anni fa | 4 risposte | 0

4

risposte

Risposto
How to delimit the number of decimal places in a colorbar?
OWW, thank you guys!!!

oltre 12 anni fa | 0

Domanda


How to delimit the number of decimal places in a colorbar?
In this case, for example: contourf(peaks(60)) colormap cool colorbar('location','southoutside') i want 4 decima...

oltre 12 anni fa | 3 risposte | 0

3

risposte

Risposto
the command "clc" and "clear all" does not work on a script in the editor.
inglêsportuguêsespanhol I found that putting too many comments before or after the command "clc" and "clear all" in the scr...

oltre 12 anni fa | 0

Domanda


the command "clc" and "clear all" does not work on a script in the editor.
The commands "clc" and "clear all" don't work in my script, somentimes yes. i have matlab 2011 a and b e 2012 a.

oltre 12 anni fa | 6 risposte | 0

6

risposte

Risposto
New Toolbox RNA: access the data divided by net.divide function
Network Object

oltre 12 anni fa | 0

Domanda


New Toolbox RNA: access the data divided by net.divide function
I'm trying adapt me with new ANN toolbox and use the functions pre-programed usually i wore the complex lines for divide the dat...

oltre 12 anni fa | 2 risposte | 0

2

risposte

Domanda


Curve Fitting Toolbox - change algorithm of fit
I'm making an adjustment, using a custom log equation, the following: y = b * log (x) + c I wanted to know how to change t...

circa 13 anni fa | 1 risposta | 0

1

risposta

Risposto
marking points
A=[12 34 90 45]; B=[0 8 9 36]; C = [ 1 2 3 4]; plot(A,B,'b') hold on plot(A,C,'r')

circa 13 anni fa | 0

| accettato

Risposto
how can i plot the difference of two different plots?
for me show this: ??? Undefined function or method 'kepler' for input arguments of type 'double'. >> help kepler keple...

circa 13 anni fa | 0

Risposto
symbolic array, zero-based elements into another array
Thank you for all

circa 13 anni fa | 0

Domanda


symbolic array, zero-based elements into another array
if I have the following matrix: syms x11 x21 x31 x41 a = [ 1*x11 2*x21 3*x31 3*x41] b = [ 1*x11 2*x21 3...

circa 13 anni fa | 3 risposte | 0

3

risposte

Risposto
create symbolic variables
My god, I ask my five excuses. Always read the doc before asking a question and this time I have not read. Thank you, this is no...

circa 13 anni fa | 0

Domanda


create symbolic variables
My problem is the following: if I have an array ij then have to create variables ij. ex.: a = [ 1 2; 3 4] then b...

circa 13 anni fa | 2 risposte | 0

2

risposte

Domanda


menu position and size
how to make set position and zise of a menu e.g.: choice = menu('Choose a color','Red','Blue','Green') i want make th...

circa 13 anni fa | 1 risposta | 1

1

risposta

Risposto
overlay graphics
someone?

circa 13 anni fa | 0

Domanda


overlay graphics
how can I do to overlay two graphs having a point of overlap? the image below as an example: <http://imageshack.us/photo/...

circa 13 anni fa | 1 risposta | 0

1

risposta

Domanda


One more : Symbolic math
see: syms x1 x2 x3 x1 = 23/5 - x3/5 - (2*x2)/5 how to make this: disp('x1= ',x1) could be: disp(['x1...

circa 13 anni fa | 1 risposta | 0

1

risposta

Domanda


Symbolic variables: Isolate a variable in an equation?
I always have trouble isolating symbolic variables in equations. See this for example: 8*x1 + 2*x2 + 3*x3 - 51 = 0 want to is...

circa 13 anni fa | 2 risposte | 0

2

risposte

Carica altro