x=-2*pi:0.1:2*pi; y=cos(x); plot(x,y) builtin('cd','..'); uiopen('H:\PPEL_cviceni\PPEL_2016\Opakovani_2_cv.m',1) E=[1+3i,6,7+5i;4-8i,-3-9i,2i] E = 1.0000 + 3.0000i 6.0000 7.0000 + 5.0000i 4.0000 - 8.0000i -3.0000 - 9.0000i 0 + 2.0000i E(8,2)=10i E = 1.0000 + 3.0000i 6.0000 7.0000 + 5.0000i 4.0000 - 8.0000i -3.0000 - 9.0000i 0 + 2.0000i 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +10.0000i 0 E(3,3)=11 E = 1.0000 + 3.0000i 6.0000 7.0000 + 5.0000i 4.0000 - 8.0000i -3.0000 - 9.0000i 0 + 2.0000i 0 0 11.0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +10.0000i 0 E(4:7,:)=[] E = 1.0000 + 3.0000i 6.0000 7.0000 + 5.0000i 4.0000 - 8.0000i -3.0000 - 9.0000i 0 + 2.0000i 0 0 11.0000 0 0 +10.0000i 0 [radek,sloupec]=size(E) radek = 4 sloupec = 3 whos Name Size Bytes Class Attributes E 4x3 192 double complex radek 1x1 8 double sloupec 1x1 8 double x 1x126 1008 double y 1x126 1008 double velikost=size(E) velikost = 4 3 radek=velikost(1) radek = 4 sloupec=velikost(2) sloupec = 3 [-2*pi:0,1:2*pi] ans = Columns 1 through 7 -6.2832 -5.2832 -4.2832 -3.2832 -2.2832 -1.2832 -0.2832 Columns 8 through 13 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 size(ans) ans = 1 13 length([-2*pi:0,1:2*pi]) ans = 13 E E = 1.0000 + 3.0000i 6.0000 7.0000 + 5.0000i 4.0000 - 8.0000i -3.0000 - 9.0000i 0 + 2.0000i 0 0 11.0000 0 0 +10.0000i 0 E.' ans = 1.0000 + 3.0000i 4.0000 - 8.0000i 0 0 6.0000 -3.0000 - 9.0000i 0 0 +10.0000i 7.0000 + 5.0000i 0 + 2.0000i 11.0000 0 diag(E) ans = 1.0000 + 3.0000i -3.0000 - 9.0000i 11.0000 diag(E.') ans = 1.0000 + 3.0000i -3.0000 - 9.0000i 11.0000 E.' ans = 1.0000 + 3.0000i 4.0000 - 8.0000i 0 0 6.0000 -3.0000 - 9.0000i 0 0 +10.0000i 7.0000 + 5.0000i 0 + 2.0000i 11.0000 0 E' ans = 1.0000 - 3.0000i 4.0000 + 8.0000i 0 0 6.0000 -3.0000 + 9.0000i 0 0 -10.0000i 7.0000 - 5.0000i 0 - 2.0000i 11.0000 0 A=[1,2;3,4] A = 1 2 3 4 A.' ans = 1 3 2 4 A' ans = 1 3 2 4 a {??? Undefined function or variable 'a'. } A A = 1 2 3 4 B=[5,6;7,8] B = 5 6 7 8 A+B ans = 6 8 10 12 B+A ans = 6 8 10 12 A A = 1 2 3 4 B B = 5 6 7 8 A-B ans = -4 -4 -4 -4 B-A ans = 4 4 4 4 A.*B ans = 5 12 21 32 A A = 1 2 3 4 B B = 5 6 7 8 B.*A ans = 5 12 21 32 A*B ans = 19 22 43 50 B*A ans = 23 34 31 46 A A = 1 2 3 4 A.*A ans = 1 4 9 16 A.^2 ans = 1 4 9 16 A.*A.*A ans = 1 8 27 64 A.^3 ans = 1 8 27 64 A*A ans = 7 10 15 22 A^2 ans = 7 10 15 22 % ^ jen ctvercove matice A*A*A ans = 37 54 81 118 A^3 ans = 37 54 81 118 A./B ans = 0.2000 0.3333 0.4286 0.5000 format long A./B ans = 0.200000000000000 0.333333333333333 0.428571428571429 0.500000000000000 format rat A./B ans = 1/5 1/3 3/7 1/2 A A = 1 2 3 4 B B = 5 6 7 8 A./B ans = 1/5 1/3 3/7 1/2 B.\A ans = 1/5 1/3 3/7 1/2 B./A ans = 5 3 7/3 2 A.\B ans = 5 3 7/3 2 A/B ans = 3 -2 2 -1 inv(B) ans = -4 3 7/2 -5/2 A*inv(B) ans = 3 -2 2 -1 B\A ans = 5 4 -4 -3 inv(B)*A ans = 5 4 -4 -3 B/A ans = -1 2 -2 3 inv(A) ans = -2 1 3/2 -1/2 B*inv(A) ans = -1 2 -2 3 A\B ans = -3 -4 4 5 inv(A)*B ans = -3 -4 4 5 A A = 1 2 3 4 A.^(1/2) ans = 1 1393/985 1351/780 2 format format short A.^(1/2) ans = 1.0000 1.4142 1.7321 2.0000 A.^(1/326) ans = 1.0000 1.0021 1.0034 1.0043 A^(1/2) ans = 0.5537 + 0.4644i 0.8070 - 0.2124i 1.2104 - 0.3186i 1.7641 + 0.1458i A./10000 ans = 1.0e-003 * 0.1000 0.2000 0.3000 0.4000 format short e A./10000 ans = 1.0000e-004 2.0000e-004 3.0000e-004 4.0000e-004 format long e A./10000 ans = 1.000000000000000e-004 2.000000000000000e-004 3.000000000000000e-004 4.000000000000000e-004 format x=-2*pi:0.1:2*pi; y=sin(x.^3); plot(x,y) V=objem_koule(6) V = 904.7787 r=[6,1,5,3]; V=objem_koule(r) V = 904.7787 4.1888 523.5988 113.0973