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Jose Jeremias Caballero


National University Mayor of San Marcos

Last seen: 12 months ago Active since 2011

Professional Interests: image processing, audio and video.

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Answered
extracting pixel values from image
a=imread('binary2.jpg'); imshow(a); minimum=min(min(a)), [row,column]=find(a==minimum); hold on, plot(column,row,'*'...

3 years ago | 0

| accepted

Answered
GUI load file.mat and use it
function PushB(hObject,eventdata,handles) load matrice_losses lamfit=(matrice_losses(:,1).*1e-3) ...

3 years ago | 0

| accepted

Answered
extraction of pixel values of image
>> a=imread('image.jpeg'); >> read1=a(:,:,1); >> green1=a(:,:,2); >> blue1=a(:,:,3);

3 years ago | 0

Answered
Combining excel files in a single file
list=dir([pwd,'/try_*.xlsx']); for i=1:length(list); A(:,i)=xlsread(list(i).name); end xlswrite('TRYS.xlsx',...

10 years ago | 0

Answered
How can i generate solution using Newton Raphson Method for two equations and two unknowns?
clear all xo=[1;1] ; syms Hs Ht fname=[-24818293809749471470110210071781/618970019642690137449562112/Hs^2+56127954443102...

10 years ago | 1

| accepted

Answered
pdepe help! (PDE solver)
function edp11 close all; clc; m=0; options=odeset('NonNegative',[]); x = linspace(0,1,30); t = linspace(0,20,...

10 years ago | 0

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Answered
marking a pixel on an image
used. text(40,70,'+')

10 years ago | 0

Answered
xpos(i) in Polygonal domain
%thaks Andrew Newell. a=100; xpos=a*rand(1,6000); ypos=a*rand(1,6000); X5 = [10 30 41 50 65 70 40 15 5 ...

11 years ago | 0

Answered
xpos(i) in Polygonal domain
a=100; xpos=a*rand(1,6000); ypos=a*rand(1,6000); X5 = [10 30 41 50 65 70 40 15 5 10]; Y5 = [37 35 15 10 15 37 58 60 5...

11 years ago | 0

Answered
xpos(i) in Polygonal domain
%random_polygon xpos=100*rand(1,6000); ypos=100*rand(1,6000); xmin=min(xpos)-2; ymin=min(ypos)-2; xmax=max(xpos)+...

11 years ago | 0

Answered
xpos(i) in Polygonal domain
xpos=100*rand(1,5); ypos=100*rand(1,5); plot([xpos xpos(1)],[ypos ypos(1)]) for i=1:length(xpos) text(xpos(i),...

11 years ago | 0

Answered
Plot of Simultaneous paths using comet3
could use the plot function. t = -pi:pi/300:pi; axis([-1 1 -1 1 -1 2]) hold on for i=1:2:length(t)-...

11 years ago | 0

Answered
How to search for Max and Min value?
%============================================ %Hi. clear all dn = 1:365; sd = 23.45*sind(360*(dn+284)/365); for ...

11 years ago | 0

Answered
How to search for Max and Min value?
%Hi. clear all dn = 1:365; sd = 23.45*sind(360*(dn+284)/365); for L = -20:10:20 H = (180/pi)*(2/15)*(acos(-ta...

11 years ago | 0

Answered
Multiple Input DIalog Box
Hi. %======================= clear all n=input('Enter the number of circles n:'); k=1; while k<=n center...

11 years ago | 0

Answered
NaN vs. Inf
http://es.wikipedia.org/wiki/Divisi%C3%B3n_por_cero http://es.wikipedia.org/wiki/Forma_indeterminada

11 years ago | 0

Answered
I have this error messege when saving a figure
Look at the current directory where to store the files created by the user. there should appear a number of figures created.

11 years ago | 0

Answered
I have this error messege when saving a figure
copy and paste it into the matlab command window. and see what this code.

11 years ago | 0

Answered
I have this error messege when saving a figure
clear all A=imread('ngc6543a.jpg'); for i=1:5 imwrite(A,['grafica',num2str(i),'.tif']); end

11 years ago | 0

Answered
Find data in specific range
Hi. clear all dn = 1:365; sd = 23.45*sind(360*(dn+284)/365); fout1 = fopen('Project_2_Matlab.res','w'); fprint...

11 years ago | 0

Answered
NaN vs. Inf
Hi. [1,0]./[1,0]= [1/1,0/0]=[1,NaN]

11 years ago | 0

Answered
Problem with multiple for loops
Observation. Since k and j are natural numbers, they may be identical or different. Now if k is different from...

11 years ago | 0

Answered
draw parabola
Hello, you improve your question. Your question would be: 1). Write a program in Matlab, to find the equation of t...

11 years ago | 0

Answered
Errors in Menu program
Hello clear all clc choice = menu('Choose a opcion','explaine','limite','expfun','exit of menu'); switch choic...

11 years ago | 0

Answered
Date Conversion
Hello. >> A={'2011/12/19 13:27:50.890';'2012/12/19 18:49:40.790'} A = '2011/12/19 13:27:50.890' '...

11 years ago | 0

Answered
Bug about saving a variable
Hello. >> xxxxxxx=rand(3); >> save filetarget xxxxxxx >> clear all >> whos >>...

11 years ago | 0