Занятие 3

1. %%
x = -20:0.15:20;
y=sin(x).^2;
plot(x,y)
xlim([5*pi 5*pi])
%%

2. %%
N = 100 ;
x = -4:4:N ;
y = -4:4:N ;
Z = X.^2-Y.^2 ;
surf(X,Y,Z)
%%

3. %%
x=0:0.1:10;

y0=besselj(0,x);

y1=besselj(1,x);

y2=besselj(2,x);


plot(x,y0,'-m',x,y1,'--r',x,y2,'-.k')
%%

4. %%
r = randi(6,1000,1);
hist = histogram(r);
hist
%%
5.
%%
x=-20:0.15:20;
y=sin(1.*x);
y2=sin(2.*x);
y3=sin(3.*x);
y4=sin(4.*x);
y5=sin(5.*x);
y6=sin(6.*x);
y7=sin(7.*x);
y8=sin(8.*x);
y9=sin(9.*x);
y10=sin(10.*x);

plot(x,y,x,y2,x,y3,x,y4,x,y5,x,y6,x,y7,x,y8,x,y9,x,y10)
%%
6.
%%
[x,y,z] = sphere;
radius = 1;
x = x * radius;
y = y * radius;
z = z * radius;
surf(x,y,z)
%%