zad1

function [y]=zad1 (a)

a=input('prosze podac a: ');

y=sin(a)

plot(y)

end

zad2

function [y]=zad2 (a)

a=input('podaj a:');

x=-a:a;

y=x+(a^2)

plot(y)

end

zad2a

function [x]=zad2(y1,y2)

[id,kom]=fopen('D:\niwa.piotr.npr\zad2out.m','wt')

fprintf(id,'%s\n','katx[stopnie] sin(x) cos(x)')

x=30

y1=sin(x)

y2=cos(x)

fprintf(id,'%3d',x)

fprintf(id,'%15.4f%12.4f\n',y1,y2)

fclose(id)

end

zad3

function [y]=zad3 (a)

a=input('podaj a:')

c=2*a^2

x=-2*a:2*a

y=(x.*x)+(a*a)-c

plot(y)

grid on

xlabel('os x')

ylabel('os y')

end

zad4

function [y]=zad4 (a)

a=input('podaj a')

y=[30*a 2*a -3*a 2*a 1*a 10]

roots(y)

end

zad5

function [y,x]=zad5 (a)

a=input('podaj a:')

b=input('podaj b:')

W=[30*a*b 20*a -10*a*b 2*a*b -2*b a*b]

b=-20*a:+20*a;

x=sin(b)

y=cos(b)

roots(W)

plot(x,y)

end

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