sin(3.1415926) ans = 5.3590e-008 cos(3.1415926) ans = -1.0000 format long cos(3.1415926) ans = -0.999999999999999 pi ans = 3.141592653589793 sin(pi) ans = 1.224646799147353e-016 help sin SIN Sine of argument in radians. SIN(X) is the sine of the elements of X. See also asin, sind. Overloaded methods: codistributed/sin Reference page in Help browser doc sin who Your variables are: ans s=sin(3.1) s = 0.041580662433290 who Your variables are: ans s whos Name Size Bytes Class Attributes ans 1x1 8 double s 1x1 8 double A = [1,2 ;2,1] A = 1 2 2 1 whos Name Size Bytes Class Attributes A 2x2 32 double ans 1x1 8 double s 1x1 8 double exp(A) ans = 2.718281828459046 7.389056098930650 7.389056098930650 2.718281828459046 log(exp(A)) ans = 1 2 2 1 A*A ans = 5 4 4 5 A.*A ans = 1 4 4 1 A' ans = 1 2 2 1 inv(A) ans = -0.333333333333333 0.666666666666667 0.666666666666667 -0.333333333333333 b=[2;3] b = 2 3 x=inv(A)*b x = 1.333333333333334 0.333333333333333 A*x ans = 2 3 A*x-b ans = 0 0 uiopen('C:\Users\uwer\Documents\MATLAB\V1\HelloWorld.m',1) % Modify expression to add input arguments. % Example: % a = [1 2 3; 4 5 6]; % foo(a); HelloWorld Hello World Hello World Geben Sie den Radius r ein: r = 2 Die Fläche eines Kreises mit Radius 2.000000 beträgt 12.566371 Das Volumen einer Kugel mit Radius 2.000000 beträgt 33.510322 uiopen('C:\Users\uwer\Documents\MATLAB\V1\HelloWorld.m',1) % Modify expression to add input arguments. % Example: % a = [1 2 3; 4 5 6]; % foo(a); HelloWorld Hello World Hello World Geben Sie den Radius r ein: r = 2 Die Fläche eines Kreises mit Radius 2.000000 beträgt 12.566371 Das Volumen einer Kugel mit Radius 2.000000 beträgt 33.510322 pi =1. pi = 1 % Modify expression to add input arguments. % Example: % a = [1 2 3; 4 5 6]; % foo(a); HelloWorld Hello World Hello World Geben Sie den Radius r ein: r = 2 Die Fläche eines Kreises mit Radius 2.000000 beträgt 4.000000 Das Volumen einer Kugel mit Radius 2.000000 beträgt 10.666667 uiopen('C:\Users\uwer\Documents\MATLAB\V1\HelloWorld.m',1) uiopen('C:\Users\uwer\Documents\MATLAB\V1\SimpleDemo.m',1) SimpleDemo(2) ans = 12.566370614359172 [A,V]=SimpleDemo(2) A = 12.566370614359172 V = 33.510321638291124 pi pi = 1 r2 {??? Undefined function or variable 'r2'. } help HelloWorld Hello World Programm help SimpleDemo Berechne Fläche und Volumen von Kugel bzw. Kreis bei vorgegebenem Radius Input: r Radius Output: [Fläche Volumen] uiopen('C:\Users\uwer\Documents\MATLAB\V1\AreaAndVolume.m',1) uiopen('C:\Users\uwer\Documents\MATLAB\V1\ProgrammFluss.m',1) % Modify expression to add input arguments. % Example: % a = [1 2 3; 4 5 6]; % foo(a); ProgrammFluss 0.100000 0.010000 1.100000 1.210000 2.100000 0.226757 3.100000 0.104058 4.100000 0.059488 5.100000 0.038447 6.100000 0.026874 7.100000 0.019837 8.100000 0.015242 9.100000 0.012076 x=0:pi/20:6*pi x = Columns 1 through 2 0 0.050000000000000 Columns 3 through 4 0.100000000000000 0.150000000000000 Columns 5 through 6 0.200000000000000 0.250000000000000 Columns 7 through 8 0.300000000000000 0.350000000000000 Columns 9 through 10 0.400000000000000 0.450000000000000 Columns 11 through 12 0.500000000000000 0.550000000000000 Columns 13 through 14 0.600000000000000 0.650000000000000 Columns 15 through 16 0.700000000000000 0.750000000000000 Columns 17 through 18 0.800000000000000 0.850000000000000 Columns 19 through 20 0.900000000000000 0.950000000000000 Columns 21 through 22 1.000000000000000 1.050000000000000 Columns 23 through 24 1.100000000000000 1.150000000000000 Columns 25 through 26 1.200000000000000 1.250000000000000 Columns 27 through 28 1.300000000000000 1.350000000000000 Columns 29 through 30 1.400000000000000 1.450000000000000 Columns 31 through 32 1.500000000000000 1.550000000000000 Columns 33 through 34 1.600000000000000 1.650000000000000 Columns 35 through 36 1.700000000000000 1.750000000000000 Columns 37 through 38 1.800000000000000 1.850000000000000 Columns 39 through 40 1.900000000000000 1.950000000000000 Columns 41 through 42 2.000000000000000 2.050000000000000 Columns 43 through 44 2.100000000000000 2.150000000000000 Columns 45 through 46 2.200000000000000 2.250000000000000 Columns 47 through 48 2.300000000000000 2.350000000000000 Columns 49 through 50 2.400000000000000 2.450000000000000 Columns 51 through 52 2.500000000000000 2.550000000000000 Columns 53 through 54 2.600000000000000 2.650000000000000 Columns 55 through 56 2.700000000000000 2.750000000000000 Columns 57 through 58 2.800000000000000 2.850000000000000 Columns 59 through 60 2.900000000000000 2.950000000000000 Columns 61 through 62 3.000000000000000 3.050000000000000 Columns 63 through 64 3.100000000000000 3.150000000000000 Columns 65 through 66 3.200000000000000 3.250000000000000 Columns 67 through 68 3.300000000000000 3.350000000000000 Columns 69 through 70 3.400000000000000 3.450000000000000 Columns 71 through 72 3.500000000000000 3.550000000000000 Columns 73 through 74 3.600000000000000 3.650000000000000 Columns 75 through 76 3.700000000000000 3.750000000000000 Columns 77 through 78 3.800000000000000 3.850000000000000 Columns 79 through 80 3.900000000000000 3.950000000000000 Columns 81 through 82 4.000000000000000 4.050000000000000 Columns 83 through 84 4.100000000000000 4.150000000000000 Columns 85 through 86 4.200000000000000 4.250000000000000 Columns 87 through 88 4.300000000000000 4.350000000000000 Columns 89 through 90 4.400000000000000 4.450000000000000 Columns 91 through 92 4.500000000000000 4.550000000000000 Columns 93 through 94 4.600000000000000 4.650000000000000 Columns 95 through 96 4.700000000000000 4.750000000000000 Columns 97 through 98 4.800000000000000 4.850000000000000 Columns 99 through 100 4.900000000000000 4.950000000000000 Columns 101 through 102 5.000000000000000 5.050000000000000 Columns 103 through 104 5.100000000000000 5.150000000000000 Columns 105 through 106 5.200000000000000 5.250000000000000 Columns 107 through 108 5.300000000000000 5.350000000000000 Columns 109 through 110 5.400000000000000 5.450000000000000 Columns 111 through 112 5.500000000000000 5.550000000000000 Columns 113 through 114 5.600000000000000 5.650000000000000 Columns 115 through 116 5.700000000000000 5.750000000000000 Columns 117 through 118 5.800000000000000 5.850000000000000 Columns 119 through 120 5.900000000000000 5.950000000000000 Column 121 6.000000000000000 x=0:pi/20:6*pi; plot(x,exp(-0.2*x).*sin(x),'g') pi=10 pi = 10 x=0:pi/20:6*3.14159; plot(x,exp(-0.2*x).*sin(x),'g') diary off