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clear
disp('1 - funckcja sin(x)')
disp('2 - funckcja cos(x)')
disp('3 - funckcja tg(x)')
disp('4 - funckcja ctg(x)')
d=input('jaka funkcje chcesz otrzymac = ');
while d<1 || d>4 || d~=round(d)
disp('zle podana wartosc')
disp('podaj wartosc jeszcze raz ')
disp('1 - funckcja sin(x)')
disp('2 - funckcja cos(x)')
disp('3 - funckcja tg(x)')
disp('4 - funckcja ctg(x)')
d=input('jaka funkcje chcesz otrzymac= ');
end
a=input('podaj poczatek przedzialu = ');
b=input('podaj koniec przedzialu = ');
x=a:0.1:b;
switch d
case 1
y=sin(x);
plot (x,y,'r')
title('wykres sin(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('sin(x)')
grid
case 2
y=cos(x);
plot (x,y,'r')
title('wykres cos(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('cos(x)')
grid
case 3
y=tan(x);
plot (x,y,'r')
title('wykres tg(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('tg(x)')
grid
case 4
y=cot(x);
plot (x,y,'r')
title('wykres ctg(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('ctg(x)')
grid
otherwise
end
%2222222222222222222222222222222222222222222222222222222222222222222
clc
clear
x=0:0.1:2*pi;
y=sin(x);
y1=cos(x);
plot(x,y,'b',x,y1,'r')
title('wykresy funkcji sin(x) i cos(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('sin(x)','cos(x)')
grid
%2222222222222222222222222222222222222222222222222222222222222222222
clc
clear
x=0:0.1:2*pi;
y=sin(x);
A=input('podaj wspolczynnik 0<A<=10 A= ');
while A>10 || A<=0
A=input('podaj wspolczynnik 0<A<=10 A= ');
end
y1=A*sin(x);
plot(x,y,'r',x,y1,'b')
title('wykresy funkcji sin(x) i Asin(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('sin(x)','Asin(x)')
grid
%222222222222222222222222222222222222222222222222222222222222222222222222
clc
clear
disp('program wyswietla 4 funkcje w 4 rysunkach na jednym oknie ')
x=0:0.1:2*pi;
x2=-0.45*pi:0.1:0.45*pi;
x3=-0.05*pi:0.1:0.95*pi;
y=sin(x);
y1=cos(x);
y2=tan(x2);
y3=cot(x3);
subplot(2,2,1)
plot(x,y,'c')
title('wykres funkcji sin(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('sin(x)')
grid
subplot(2,2,2)
plot(x,y1,'r')
title('wykres funkcji cos(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('cos(x)')
grid
subplot(2,2,3)
plot(x2,y2,'b')
title('wykres funkcji tg(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('tg(x)')
grid
subplot(2,2,4)
plot(x3,y3,'c')
title('wykres funkcji ctg(x)')
xlabel('argumenty')
ylabel('wartosci')
legend('ctg(x)')
grid
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