A=[1,2,3;4,5,6;7,8,-9;0.5,i,-5+7i] A = 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 8.0000 -9.0000 0.5000 0 + 1.0000i -5.0000 + 7.0000i A(3,2) ans = 8 A(5,9) {??? Index exceeds matrix dimensions. } A(3,2)=180 A = 1.0e+002 * 0.0100 0.0200 0.0300 0.0400 0.0500 0.0600 0.0700 1.8000 -0.0900 0.0050 0 + 0.0100i -0.0500 + 0.0700i A(5,3)=-20 A = 1.0e+002 * 0.0100 0.0200 0.0300 0.0400 0.0500 0.0600 0.0700 1.8000 -0.0900 0.0050 0 + 0.0100i -0.0500 + 0.0700i 0 0 -0.2000 a=[1:7] a = 1 2 3 4 5 6 7 b=1:2:7 b = 1 3 5 7 c=1:2:10 c = 1 3 5 7 9 d=10:-1:1 d = 10 9 8 7 6 5 4 3 2 1 e=80:0.5:75 e = Empty matrix: 1-by-0 e=80:-0.5:75 e = Columns 1 through 7 80.0000 79.5000 79.0000 78.5000 78.0000 77.5000 77.0000 Columns 8 through 11 76.5000 76.0000 75.5000 75.0000 A A = 1.0e+002 * 0.0100 0.0200 0.0300 0.0400 0.0500 0.0600 0.0700 1.8000 -0.0900 0.0050 0 + 0.0100i -0.0500 + 0.0700i 0 0 -0.2000 A(1:2,1:2) ans = 1 2 4 5 A(3,:) ans = 7 180 -9 A(:,2) ans = 1.0e+002 * 0.0200 0.0500 1.8000 0 + 0.0100i 0 A A = 1.0e+002 * 0.0100 0.0200 0.0300 0.0400 0.0500 0.0600 0.0700 1.8000 -0.0900 0.0050 0 + 0.0100i -0.0500 + 0.0700i 0 0 -0.2000 A(:,2:3) ans = 1.0e+002 * 0.0200 0.0300 0.0500 0.0600 1.8000 -0.0900 0 + 0.0100i -0.0500 + 0.0700i 0 -0.2000 A A = 1.0e+002 * 0.0100 0.0200 0.0300 0.0400 0.0500 0.0600 0.0700 1.8000 -0.0900 0.0050 0 + 0.0100i -0.0500 + 0.0700i 0 0 -0.2000 A(1:2:5,:) ans = 1 2 3 7 180 -9 0 0 -20 1:2:5 ans = 1 3 5 A A = 1.0e+002 * 0.0100 0.0200 0.0300 0.0400 0.0500 0.0600 0.0700 1.8000 -0.0900 0.0050 0 + 0.0100i -0.0500 + 0.0700i 0 0 -0.2000 A([1,4,5],:) ans = 1.0000 2.0000 3.0000 0.5000 0 + 1.0000i -5.0000 + 7.0000i 0 0 -20.0000 A(4,2:3)=55 A = 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 180.0000 -9.0000 0.5000 55.0000 55.0000 0 0 -20.0000 whos Name Size Bytes Class Attributes A 5x3 120 double a 1x7 56 double ans 3x3 144 double complex b 1x4 32 double c 1x5 40 double d 1x10 80 double e 1x11 88 double size(A) ans = 5 3 whos Name Size Bytes Class Attributes A 5x3 120 double a 1x7 56 double ans 1x2 16 double b 1x4 32 double c 1x5 40 double d 1x10 80 double e 1x11 88 double v=size(A) v = 5 3 [r,s]=size(A) r = 5 s = 3 A A = 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 180.0000 -9.0000 0.5000 55.0000 55.0000 0 0 -20.0000 A(5,:) ans = 0 0 -20 A(5,:)=[] A = 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 180.0000 -9.0000 0.5000 55.0000 55.0000 size(A) ans = 4 3 B=A B = 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 180.0000 -9.0000 0.5000 55.0000 55.0000 A(:,3)=[] A = 1.0000 2.0000 4.0000 5.0000 7.0000 180.0000 0.5000 55.0000 B B = 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 180.0000 -9.0000 0.5000 55.0000 55.0000 A A = 1.0000 2.0000 4.0000 5.0000 7.0000 180.0000 0.5000 55.0000 2:2:4 ans = 2 4 A(2:2:4,:)=[] A = 1 2 7 180 size(A) ans = 2 2 B B = 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 180.0000 -9.0000 0.5000 55.0000 55.0000 B(2:end,:) ans = 4.0000 5.0000 6.0000 7.0000 180.0000 -9.0000 0.5000 55.0000 55.0000 d d = 10 9 8 7 6 5 4 3 2 1 d(6:end) ans = 5 4 3 2 1 d(end) ans = 1 d(1,10) ans = 1 d(10) ans = 1 d(9) ans = 2 d(end) ans = 1 d(end:-1:1) ans = 1 2 3 4 5 6 7 8 9 10 d d = 10 9 8 7 6 5 4 3 2 1 t='ahoj' t = ahoj u='a' u = a v='retezec v MATLABu' v = retezec v MATLABu whos Name Size Bytes Class Attributes A 2x2 32 double B 4x3 96 double a 1x7 56 double ans 1x10 80 double b 1x4 32 double c 1x5 40 double d 1x10 80 double e 1x11 88 double r 1x1 8 double s 1x1 8 double t 1x4 8 char u 1x1 2 char v 1x17 34 char t t = ahoj t(3) ans = o v v = retezec v MATLABu v(10) ans = v(11) ans = M v(11:15) ans = MATLA v(end) ans = u v(end:-1:1) ans = uBALTAM v cezeter t(end:-1:1) ans = joha '123456' ans = 123456 w='123456' w = 123456 w+1 ans = 50 51 52 53 54 55 whos Name Size Bytes Class Attributes A 2x2 32 double B 4x3 96 double a 1x7 56 double ans 1x6 48 double b 1x4 32 double c 1x5 40 double d 1x10 80 double e 1x11 88 double r 1x1 8 double s 1x1 8 double t 1x4 8 char u 1x1 2 char v 1x17 34 char w 1x6 12 char u u = a v v = retezec v MATLABu t t = ahoj [t,v,w] ans = ahojretezec v MATLABu123456 who Your variables are: A B a ans b c d e r s t u v w clear A who Your variables are: B a ans b c d e r s t u v w clear w who Your variables are: B a ans b c d e r s t u v clear who R1=7 R1 = 7 R2=14 R2 = 14 R=1/(1/R1+1/R2) R = 4.6667 R=1/(R1^(-1)+R2^(-1)) R = 4.6667 R=((R1^(-1)+R2^(-1)))^(-1) R = 4.6667 562 ans = 562 5^2 ans = 25 paraleleni_zapojeni(7,14) ans = 4.6667 paraleleni_zapojeni(10,10) ans = 5 R=paraleleni_zapojeni(10,10) R = 5 Rpar=paraleleni_zapojeni(20,50) Rpar = 14.2857 5+3 ans = 8 x=5+3 x = 8 x=5+3; y=4+6; z=x+y z = 18 R = seriove_zapojeni(3,4) R = 7 diary off