%-- 13.10.10 1557 --%
cassini(4)
cassini(3,1,2,3,4,5)
v=[3 -2 3 5 1 -4 0 3]
v=[3; -2; 3; 5; 1; -4; 0; 3]
v=[3 -2 3 5 1 -4 0 3]'
v(0)
v(1)
v(12)
v(5)
v(end)
u=15
v = linspace(2,5);
v = linspace(2,5,10);
v = linspace(2,5,10)
length(v)
size(v)
a=3;
isscalar(a)
isvector(a)
v = linspace(2,5,10);
disp(v)
disp(sprintf('%d, ',v))
sin(v)
max(v)
z=[2,-4,7]
-z
y=[2-2i,-4i,3,7+i]
y.'
y'
[1,1,6,-2]+[3,-2,5,0]
[1,1,6,-2]+[3,-2,5,0,2]
[1,-3,5][2,1,0]
[1,-3,5][2;1;0]
[1;2;3;4][110]
[2,4,5,-1].[1,-1,1,6]
[3,5,-2,10].^2
[1 -2 3 14] + 5
10 - [1 -2 3 14]
[1 -2 3 14]  2 % [1 -2 3 14] . 2
[1 -2 3 14] . 10 % [1 -2 3 14]  10
[1 -2 3 14] .^ 5
[3,2,-5,10]<[2,3,2,3]
[3,2,-5,10]~=[2,0,2,3]
[2 1 5 4 0]==[0:5]
[2 1 5 4 0]==[0:4]
~[3,2,0,-5,10,0,1]
[3,2,-5,10]&[2,0,2,3]
[1,2,0,4,-3,-10]|0
u = [2 1 4 -3]; v = [5 -7 2 1]'; uv
u = [2 1 4 -3]; v = [5; -7; 2; 1]; uv
u = [2 1 4 -3]; v = [5 -7 2 1]; uv'
u = [2 1 4 -3]; v = [5 -7 2 1]; dot(u,v)
u = [2 1 4]; v = [5 -7 2]; cross(u,v)
s1 = 'nejaky text';
nazev = 'Programovani v MATLABu'
jmena = ['Ilona'; 'Jana '; 'Ludva'; 'Eva '; 'Pepa '];
str2 = ['Jana'; 'Jarmila'] % chyba!
jmena
jmena = ['Ilona'; 'Jana '; 'Ludva'; 'Eva  '; 'Pepa ']
jmena2 = char('Ilona','Jana ','Ludva','Eva','Pepa');
jmena2(2,1)
jmena3 = {'Ilona'; 'Jana '; 'Ludva'; 'Eva'; 'Pepa'};
jmena2(2,1)
disp(jmena3)
s1 = 'Ahoj'; s2 = 'lidi';
pozdrav = [s1 ' ' s2 '!'] % Ahoj lidi!
s1 = 'Ahoj'; s2 = 'lidi';
pozdrav = strcat(s1, ' ', s2, '!') % Ahoj lidi!
pozdrav = strcat(s1,' ', s2, '!') % Ahoj lidi!
clear
s1 = 'Ahoj'; s2 = 'lidi';
pozdrav = sprintf('%s %s!', s1, s2) % Ahoj lidi!
pozdrav = sprintf('%s%s!', s1, s2) % Ahoj lidi!
s1 = 'Ahoj'; s2 = 'lidi';
pozdravy = char(s1, s2, 'nazdárek') % matice se 3 řádky
ascii = char(reshape(32127, 32, 3)') % ASCII tabulka ve 3 řádcích
str = 'Jana'; str2 = 'Jarmila'; str3 = char([74 97 110 97]); % Jana
strcmp(str,str3)
strcmp(str2,str3)
textik='Mila maminko, mam se dobre!'
findstr(textik,'mam') % 6 15
findstr(textik,'b')
findstr(textik,'M') % 1
%s = strrep(kde,co,čím) ... case-sensitive nahrazování
nakup='3 jogurty, 3 rohliky, 1 mleko'
strrep(nakup,'3','4')
clear
clc
figure
figure(4)
gcf
close
figure(10)
close(10)
x=-1:0.01:1;
plot(x,2*x.^3-.5*x.^2-x+1,'k')
plot(x,2*x.^3-.5*x.^2-x+1,'ko:')
plot(x,2*x.^3-.5*x.^2-x+1,['k','x',''])
x = 0:0.1:6;
y1 = sin(x);
y2 = exp(x);
plotyy(x,y1,x,y2)
x = 0:0.1:6; % nezapomínejme na středník - dat je hodně!
y = 10.^x; % umocňování člen po členu operátorem s tečkou ( .^ )
semilogy(x,y)
t = 0:.01:2*pi;
polar(t, sin(2t).cos(2t), '--r') % čárkovaná červená čára
clc
x=-pi:pi/25:pi; % nezavisle promenna
>> y1=sin(x); y2=cos(x); y3=sin(x).^2;% 3 funkce
>> plot(x,y1,'r',x,y2,'b',x,y3,'k') % tri v jednom (cerveny, modry a cerny graf)
>> plot(x,y1,'r',x,y2,x,y3,'k') % totez - modra barva se nemusi zadavat
>> xlabel('x') % popis osy x
>> title('Grafy 3 funkci') % nazev grafu
>> legend('sin(x)', 'cos(x)', 'sin^2(x)') % pridani legendy ke grafu
grid on
grid off
xlim([-5 2.3])
ylim([-15 2.3])
axis([-5 2.3 0.5 12.5]) % 1. zpusob
axis equal
axis square
x=-pi:pi/25:pi; % nezavisle promenna
>> y1=sin(x); y2=cos(x); y3=sin(x).^2;% 3 funkce
>> plot(x,y1,'r') % prvni graf (cerveny)
>> hold on % prikreslime neco dalsiho
>> plot(x,y2) % prvni graf (modry - netreba udavat barvu)
>> plot(x,y3,'k') % treti graf (cerny)
>> xlabel('x') % popis osy x
>> title('Grafy 3 funkci') % nazev grafu
>> legend('sin(x)', 'cos(x)', 'sin^2(x)') % pridani legendy ke grafu
>> hold off % uz nic prikreslovat nebudeme
x=-2*pi:pi/50:2*pi;
>> subplot(1,2,1); plot(x,2*x.*cos(x),'k'), title('2x cos x'), axis equal
>> subplot(2,2,2); plot(x,3*cos(x).^2,'k'), title('3 cos^2x'), axis equal
>> subplot(2,2,4); plot(x,3*abs(cos(x)),'k'), title('3 |cos x|'), axis equal
x=-1:0.01:1;
>> subplot(2,2,1); plot(x,2*x.^2+1,'k'), title('2x^2+1')
>> subplot(2,4,3); plot(x,x.^3,'k'), title('x^3')
>> subplot(2,4,4); plot(x,x.^5,'k'), title('x^5')
>> subplot(2,1,2); plot(x,x.^2-0.25,'k'), title('x^2-0.25')
figure(10)
gcf
get(10)
get(10,'color')
figure % dalsi nove okno
cara = plot([0.10.510],log([0.10.510])); % vykresleni grafu, s odebranim handle
get(cara) % vypis vlastnosti cary grafu
set(cara,'Marker','o','MarkerSize',10) % znacka = kolecko, velikost znacky 10
set(cara,'MarkerEdgeColor',[1 0 0]) % cervena hrana znacky
set(cara,'MarkerFaceColor',[1 1 0]) % zluta vypln znacky
clear
clc
A = [0:2:18; 2:2:20; 10:-1:1; 20:-2:2; 30:-3:3];
>> imagesc(A) % colormap(jet)
%cviceni
[v,s]=posloupnost(1,2,10)
clc
h=prevod10(32)
h=prevod10(1234)
mod(32,16)
fib=fibonacci3(8)
[a,b,c,d,e,f,g,h]=fibonacci2
clc
o=lezi_na_primce([1,1],[-4,4],[3,-15],[0,85])
clc
o=lezi_na_primce([1,1],[-4,4],[3,-15],[0,85])
o=lezi_na_primce([1,1],[-4,4],[3,-1],[0,85])
o=lezi_na_primce([1,1],[-4,4],[3,-.2],[0,85])
clc
o=lezi_na_primce([1,1],[-4,4],[3,-.2],[0,85])
o=lezi_na_primce([1,1],[-4,4],[3,-.2],[0,8])
docmax
doc max
clc
close all
clc
uloha73
uloha76