clear
A=[1 2; 3 4]
A =
1 2
3 4
B=2*A
B =
2 4
6 8
C=A-B
C =
-1 -2
-3 -4
diary off
A=[1 2 3 4 5]
A =
1 2 3 4 5
clear
A=[1 2 3 4 5];
A=[1 2 3 4 5 6 7 8 9 10]
A =
1 2 3 4 5 6 7 8 9 10
A=1:10
A =
1 2 3 4 5 6 7 8 9 10
A=1:0.5:10
A =
Columns 1 through 7
1.0000 1.5000 2.0000 2.5000 3.0000 3.5000 4.0000
Columns 8 through 14
4.5000 5.0000 5.5000 6.0000 6.5000 7.0000 7.5000
Columns 15 through 19
8.0000 8.5000 9.0000 9.5000 10.0000
A=1:2:10
A =
1 3 5 7 9
A=linspace(5,26,15)
A =
Columns 1 through 7
5.0000 6.5000 8.0000 9.5000 11.0000 12.5000 14.0000
Columns 8 through 14
15.5000 17.0000 18.5000 20.0000 21.5000 23.0000 24.5000
Column 15
26.0000
length(A)
ans =
15
B=[1 2 3 4]
B =
1 2 3 4
length(B)
ans =
4
clear
A=[1 2 3; 4 5 6; 7 8 9]
A =
1 2 3
4 5 6
7 8 9
A=[1 2 3; 4 5 6]
A =
1 2 3
4 5 6
size(A)
ans =
2 3
clear
A=[1 2 3 4; 5 6 7 8; 9 10 11 12; 13 14 15 16]
A =
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
A(2,:)
ans =
5 6 7 8
A(:,3)
ans =
3
7
11
15
A(2:3,2:4)
ans =
6 7 8
10 11 12
A
A =
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
clear
A=[1 2 3 4]
A =
1 2 3 4
B=[A 5]
B =
1 2 3 4 5
A(end+1)=5
A =
1 2 3 4 5
A(end)
ans =
5
A(end-1)
ans =
4
A(end-2)
ans =
3
A=rand(3)
A =
0.4122 0.2974 0.6501
0.9016 0.0492 0.9830
0.0056 0.6932 0.5527
A=zeros(3,5)
A =
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
A=ones(6,5)
A =
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
A=eye(4)
A =
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
A=eye(4,5)
A =
1 0 0 0 0
0 1 0 0 0
0 0 1 0 0
0 0 0 1 0
A=eye(6,3)
A =
1 0 0
0 1 0
0 0 1
0 0 0
0 0 0
0 0 0
A=rand(4)
A =
0.4001 0.3759 0.7939 0.6208
0.1988 0.0099 0.9200 0.7313
0.6252 0.4199 0.8447 0.1939
0.7334 0.7537 0.3678 0.9048
B=10*A
B =
4.0007 3.7589 7.9387 6.2080
1.9879 0.0988 9.1996 7.3128
6.2520 4.1986 8.4472 1.9389
7.3336 7.5367 3.6775 9.0481
C=ceil(B)
C =
5 4 8 7
2 1 10 8
7 5 9 2
8 8 4 10
C=ceil(10*rand(4))
C =
6 10 7 7
7 4 7 9
3 7 4 4
6 4 5 5
C=ceil(10*rand(4))
C =
6 8 10 2
6 5 9 7
8 2 8 4
6 8 5 2
C=ceil(10*rand(4))
C =
6 10 3 8
9 1 6 10
7 4 1 8
10 6 6 8
C=ceil(10*rand)
C =
5
C=ceil(10*rand)
C =
7
C=ceil(10*rand)
C =
9
C=ceil(10*rand)
C =
1
C=ceil(10*rand)
C =
10
clear
A=[1 2; 3 4; 5 6]
A =
1 2
3 4
5 6
A(1,3)=8
A =
1 2 8
3 4 0
5 6 0
rand(6)>0.5
ans =
1 0 0 1 1 0
1 1 1 1 1 0
0 0 0 0 0 0
1 1 0 1 0 0
1 0 0 1 1 0
1 1 0 1 1 1
rand(8)>0.5
ans =
1 0 1 1 0 1 0 0
0 1 1 1 1 1 0 0
0 1 0 1 0 0 0 1
1 1 1 0 0 1 1 1
0 0 0 0 1 1 1 0
1 0 1 0 0 0 0 0
1 0 1 0 1 0 0 1
1 0 0 0 0 0 0 1
rand(8)>0.8
ans =
1 0 0 1 0 1 1 0
0 0 1 0 1 0 0 0
1 0 0 0 0 1 0 0
0 0 1 0 0 0 0 0
1 0 0 1 0 1 1 0
1 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 1
rand(8)>0.1
ans =
0 1 1 1 1 1 1 1
1 0 1 0 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 0 1 1 1 0 1
1 1 0 1 1 1 0 0
0 1 1 1 1 0 0 1
1 1 1 1 1 1 1 1
rand(8)>0.1
ans =
1 1 1 0 1 1 1 1
1 1 1 1 1 1 0 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 0 1 1 0 1 1
rand(8)>0.1
ans =
1 1 1 1 1 1 1 1
1 1 0 0 1 1 0 0
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 0 1 1 1 1 1
1 1 1 1 1 1 1 1
1 0 1 1 1 1 1 1
1 1 1 1 1 1 1 1
rand(8)>0.1
ans =
1 0 1 1 1 1 1 0
1 1 0 1 1 0 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 0 1 1 1 1 1 0
1 1 1 1 1 0 0 1
1 1 1 1 1 1 1 1
rand(8)>0.1
ans =
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 0 1 1 1
1 1 1 1 1 1 1 0
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
A=rand(8)>0.1
A =
1 1 1 0 1 1 1 1
1 1 1 0 1 1 1 1
1 1 0 1 1 1 1 1
1 1 1 1 1 0 0 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
0 1 1 1 1 1 1 1
A=rand(8)>0.5
A =
1 0 0 0 0 0 0 1
1 1 1 0 0 1 1 0
1 1 1 1 0 0 0 1
1 0 0 0 0 0 1 1
0 0 1 1 0 0 0 1
1 0 0 0 0 0 0 0
0 1 0 1 1 0 0 0
1 1 0 1 1 0 1 0
A=rand(8)>0.5
A =
0 1 0 1 1 1 1 0
0 1 1 1 1 0 0 0
0 0 1 1 0 0 0 1
1 0 1 1 1 1 1 1
0 0 1 1 1 1 0 0
0 0 0 1 0 0 0 1
0 0 0 1 1 1 0 1
1 1 0 1 0 0 0 1
sum(A)
ans =
2 3 4 8 5 4 2 5
sum(ans)
ans =
33
sum(sum(A))
ans =
33
A=[1 2; 3 4; 5 6]
A =
1 2
3 4
5 6
sum(sum(A))
ans =
21
A(1,3)=8
A =
1 2 8
3 4 0
5 6 0
sum(sum(A))
ans =
29
clear
A=[2 3 0 0 4 0 0 5]
A =
2 3 0 0 4 0 0 5
find(A)
ans =
1 2 5 8
A=[1 0 2; 0 0 4; 3 0 7]
A =
1 0 2
0 0 4
3 0 7
find(A)
ans =
1
3
7
8
9
[x y]=find(A)
x =
1
3
1
2
3
y =
1
1
3
3
3
find(A==1)
ans =
1
find(A==4)
ans =
8
[x y]=find(A==4)
x =
2
y =
3
x=1:10
x =
1 2 3 4 5 6 7 8 9 10
y=sin(x)
y =
Columns 1 through 7
0.8415 0.9093 0.1411 -0.7568 -0.9589 -0.2794 0.6570
Columns 8 through 10
0.9894 0.4121 -0.5440
plot(x,y)
x=1:0.01:10;
y=sin(x);
plot(x,y)
plot(x,y,'LineWidth',5)
plot(x,y,'LineWidth',50)
plot(x,y,'LineWidth',5)
plot(x,y,'r','LineWidth',5)
plot(x,y,'g','LineWidth',5)
plot(x,y,'y','LineWidth',5)
z=cos(x);
plot(x,y,x,z)
x=0:0.01:10;
plot(x,y,x,z)
??? Error using ==> plot
Vectors must be the same lengths.
y=sin(x);
z=cos(x);
plot(x,y,x,z)
w=2*sin(x);
plot(x,y,x,z,x,w)
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
??? Error using ==> plot
Vectors must be the same lengths.
Error in ==> <a href="error:C:\MATLAB7\work\fugg1.m,10,1">fugg1 at 10</a>
subplot(232), plot(x,w)
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
??? Error: File: C:\MATLAB7\work\fugg1.m Line: 6 Column: 25
Missing MATLAB operator.
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
fschange('C:\MATLAB7\work\fugg1.m');
clear fugg1
fugg1
builtin('exit')