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%1 wykresy funkcji sinus i kwadratowej na jednym
%2 wykres funkcji sinus i cosinus jeden pod drugim
%3 iloczyn liczb nieparzystych
%4 na sumy liczb nieparzystych
%5 kalkulator
%6 kalendarz
%7 suma liczb
%8 silnia
clc
clear
n=input('podaj liczbe ');
while n<1 || n>8
disp('zła liczba')
n=input('podaj liczbe ')
end
if n==1
x=(-5:0.5:5);
y=sin(x);
x1=(-5:0.5:5);
y1=2*x1.^2+3*x1+4;
plot(x,y,'-.g',x1,y1,'--*r')
legend('sinus','parabolabeta')
text(1,1,'parabola i sinus')
ylabel('os y_beta')
xlabel('os x')
title('funkcja sinus i cosinus^(aaa)')
grid
elseif n==2
x=(-5:0.5:5);
y=sin(x);
x1=(-5:0.5:5);
y1=cos(x1);
subplot(2,1,1)
plot(x,y,'-.g')
legend('sinus')
text(1,1,'sinus')
ylabel('os y_beta')
xlabel('os x')
title('funkcja sinus i cosinus^{aaa}')
grid
subplot(2,1,2)
plot(x1,y1,'--*r')
legend('sinus')
text(1,1,'sinus')
ylabel('os y_beta')
xlabel('os x')
title('funkcja sinus i cosinus^(aaa)')
grid
elseif n==3
i=1;
iloczyn=1;
m=input('podaj liczbe do której ma liczyc iloczyn liczb nieparzystych');
while i<=m
iloczyn=iloczyn*i;
i=i+2;
end
disp(['iloczyn liczb nieparzystych wynosi while ',num2str(iloczyn)])
iloczyn2=1;
for k=1:2:m
iloczyn2=iloczyn2*k;
end

disp(['iloczyn liczb nieparzystych wynosi for ',num2str(iloczyn2)])
elseif n==4
%suma liczb nieparzystych
i=1;
suma=0;
m=input('podaj liczbe do której ma liczyc sume liczb nieparzystych');
while i<=m
suma=suma+i;
i=i+2;
end
disp(['suma liczb nieparzystych wynosi while ',num2str(suma)])
suma2=0;
for k=1:2:m
suma2=suma2+k;
end

disp(['suma liczb nieparzystych wynosi for ',num2str(suma2)])
elseif n==5
%na if
a=input('podaj a');
b=input('podaj b');
v=input('podaj znak','s');
if v=='+'
disp(['suma wynosi(if) ', num2str(a+b)])
elseif v=='-'
disp(['różnica wynosi(if) ', num2str(a-b)])
elseif v=='*'
disp(['iloczyn wynosi(if) ', num2str(a*b)])
elseif v=='/'
disp(['iloraz wynosi(if) ', num2str(a/b)])
else
disp('zły znak(if)')
end
%na switch
switch v
case '+'
disp(['suma wynosi(switch) ', num2str(a+b)])
case '-'
disp(['różnica wynosi(switch) ', num2str(a-b)])
case '*'
disp(['iloczyn wynosi(switch) ', num2str(a*b)])
case '/'
disp(['iloraz wynosi(switch) ', num2str(a/b)])
otherwise
disp('zły znak(switch)')
end
elseif n==6
l=input('podaj numer miesiaca');
%na switch
switch l
case {1,3,5,7,8,10,12}
disp(['miesiac(switch) ', num2str(l), ' ma 31 dni'])
case {4,6,9,11}
disp(['miesiac(switch) ', num2str(l), ' ma 30 dni'])
case 2
disp(['miesiac(switch) ', num2str(l), ' ma 28 dni'])
otherwise
disp('zły numer mieiaca(switch)')
end
%na if
if l==1 || l==3 || l==5 || l==7 || l==8 || l==10 || l==12
disp(['miesiac(if) ', num2str(l), ' ma 31 dni'])
elseif l==4 || l==6 || l==6 || l==9 || l==11
disp(['miesiac(if) ', num2str(l), ' ma 30 dni'])
elseif l==2
disp(['miesiac(if) ', num2str(l), ' ma 28 dni'])
else
disp('zły numer miesiaca(if)')
end
elseif n==7
i=1;
suma=0;
m=input('podaj liczbe do której ma liczyc sume liczb ');
while i<=m
suma=suma+i;
i=i+1;
end
disp(['suma liczb wynosi(while) ',num2str(suma)])
suma2=0;
for k=1:1:m
suma2=suma2+k;
end
disp(['suma liczb wynosi(for) ',num2str(suma2)])
elseif n==8
i=1;
silnia=1;
%na while
m=input('podaj liczbe oo której ma policzyc silnie');
while i<=m
silnia=silnia*i;
i=i+1;
end
%na for
disp(['silnia(while) wynosi ',num2str(silnia)])
silnia2=1;
for k=1:1:m
silnia2=silnia2*k;
end

disp(['silnia(for) wynosi ',num2str(silnia2)])
else
disp('zła liczba')
end
     
 
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