Четверта лабораторна робота
>> N=[13:1:18];
>> A=1+(cos(N+1)).^2;
B=(log(N.^2)).^(-2);
C=exp(-N)+1;
D=A+C;
>> y=(A.*(B+C).^(1/2))./(D.^(1/5)./C)
y =
Columns 1 through 5
0.9018 1.3283 1.5738 0.9445 1.2203
Column 6
1.6135
>> N=[18:-1:13];
>> A=1+(cos(N+1)).^2;
>> B=(log(N.^2)).^(-2);
>> C=exp(-N)+1;
>> D=A+C;
>> y=(A.*(B+C).^(1/2))./(D.^(1/5)./C)
y =
Columns 1 through 5
1.6135 1.2203 0.9445 1.5738 1.3283
Column 6
0.9018
>> N=[18:-1:11];
>> N=[11:1:18];
>> A=1+(cos(N+1)).^2;
>> B=(log(N.^2)).^(-2);
>> C=exp(-N)+1;
>> D=A+C;
>> Y=(A.*(B+C).^(1/2))./(D.^(1/5)./C);
>> n=[11:0.05:18];
>> A=1+(cos(n+1)).^2;
>> B=(log(n.^2)).^(-2);
>> C=exp(-n)+1;
>> D=A+C;
>> y=(A.*(B+C).^(1/2))./(D.^(1/5)./C);
>> plot(N, Y, n, y)
11
>> N=[11:0.1:18];
>> A=1+(cos(N+1)).^2;
>> B=(log(N.^2)).^(-2);
>> C=exp(-N)+1;
>> D=A+C;
>> Y=(A.*(B+C).^(1/2))./(D.^(1/5)./C);
>> N=[13:0.1:18];
>> A=1+(cos(N+1)).^2;
>> B=(log(N.^2)).^(-2);
>> C=exp(-N)+1;
>> D=A+C;
>> y=((A.*(B+C).^(1/2))./(D.^(1/5)./C)).*10^(-2).*sin(N);
>> plotyy(N, y ,N ,Y)
>> loglog(N, y, 'r.', N, Y, 'k+:')
semilogx(N, y, 'yh-', N, Y, 'm*-')
>>semilogy(N, y, 'bv', N, Y, 'g^')
>> A=[9 8 7 6 5 4 3 2 1; 1 2 3 4 5 6 7 8 9; 9 5 1 7 5 3 6 4 8;1 2 3 9 8 7 4 6 5;12 23 45 65 87 98 45 6 1; 9 1 3 7 8 2 49 9 8;11 22 33 44 55 33 22 11 55]
A =
9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9
9 5 1 7 5 3 6 4 8
1 2 3 9 8 7 4 6 5
12 23 45 65 87 98 45 6 1
9 1 3 7 8 2 49 9 8
11 22 33 44 55 33 22 11 55
>> b=[1 2 3 4 9 8 7 6 5]
b =
1 2 3 4 9 8 7 6 5
plot(A, b)
>> [X, Y] = meshgrid(0:0.2:1, 0:0.2:1);
>> z=X^2+Y^2;
>>
mesh(X,Y,z)
>> [X, Y]=meshgrid(-1:0.05:1, 0:0.05:1);
>> Z=4*sin(2*pi*X).*cos(1.5*pi*Y).*(1-X.^2).*Y.*(1-Y);
>> mesh(X,Y,Z)
>> hidden off
>> [X, Y]=meshgrid(-1:0.05:1, 0:0.05:1);
>> Z=4*sin(2*pi*X).*cos(1.5*pi*Y).*(22-X.^2).*Y.*(22-Y);
>> mesh(X,Y,Z)
>> hidden off
>> surf(X,Y,Z)
>> shading flat
>> shading interp
>> meshc(X, Y, Z)
>> meshc(X, Y, Z)
>> colorbar
>> levels = [1:0.05:5];
>> contour3(X, Y, Z, levels)
>> contour(X, Y, Z)
>> contourf(X, Y, Z)
>> [CMatr, h] = contour(X, Y, Z);
>> clabel(CMatr, h)
>> [CMatr, h] = contour(X, Y, Z);
>> grid on
>> mesh(X,Y,Z)
>> colormap(vga)
>> colormap(hsv)
>> colormap(copper)
>> u = [-2*pi:0.1*pi:2*pi]';
v = [-2*pi:0.1*pi:2*pi];
X = 0.3*u*cos(v);
Y = 0.3*u*sin(v);
Z = 0.6*u*ones(size(v));
[X,Y] = meshgrid(-2:0.1:2);
Z = 0.5*X+0.4*Y;
u = [-2*pi:0.1*pi:2*pi]';
v = [-2*pi:0.1*pi:2*pi];
X = 0.3*u*cos(v);
Y = 0.3*u*sin(v);
Z = 0.6*u*ones(size(v));
surf(X, Y, Z)
[X,Y] = meshgrid(-2:0.1:2);
Z = 0.5*X+0.4*Y;
hold on
mesh(X, Y, Z)
hidden off
>> u = [-2*pi:0.1*pi:2*pi]';
v = [-2*pi:0.1*pi:2*pi];
X = 0.3*u*cos(v);
Y = 0.3*u*sin(v);
Z = 0.6*u*ones(size(v));
[X,Y] = meshgrid(-2:0.1:2);
Z = 0.5*X+0.4*Y;
u = [-2*pi:0.1*pi:2*pi]';
v = [-2*pi:0.1*pi:2*pi];
X = 0.3*u*cos(v);
Y = 0.3*u*sin(v);
Z = 0.6*u*ones(size(v));
surf(X, Y, Z)
[X,Y] = meshgrid(-2:0.1:2);
Z = 0.5*X+0.4*Y;
hold on
mesh(X, Y, Z)
hidden off
>> u = [-2*pi:0.1*pi:2*pi]';
v = [-2*pi:0.1*pi:2*pi];
X = 0.3*u*cos(v);
Y = 0.3*u*sin(v);
F=2.2*u*tan(v);
Z = 0.6*u*ones(size(v));
surf(X, Y, K, Z);
