MathLab> octave Octave, version 1.1.1. Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton. This is free software with ABSOLUTELY NO WARRANTY. For details, type `warranty'.
octave:1> # Comment: Define Function: octave:1> function y = f (x) > y=x^3+x^2-3*x-3; > endfunction octave:2> # Comment: Solve System for Root Starting at x0=+1.0: octave:2> [x, info] = fsolve ("f", 1.) x = 1.7321 info = 1 octave:3> # Comment: Solve System for Root Starting at x0=0.0: octave:3> [x, info] = fsolve ("f", 0.) x = -1 info = 1 octave:3> # Comment: Solve System for Root Starting at x0=-2.0: octave:3> [x,info]=fsolve("f",-2.) x = -1.7321 info = 1 octave:4> # Comment: Go to Next Problem:
octave:4> # Comment: Define Function: octave:4> function y = f (x) > y(1) = -2*x(1)^2 + 3*x(1)*x(2) + 4*sin(x(2)) - 6; > y(2) = 3*x(1)^2 - 2*x(1)*x(2)^2 + 3*cos(x(1)) + 4; > endfunction octave:5> # Comment: Solve System for Vector Root Starting at [1; 2]: octave:5> [x, info] = fsolve ("f", [1; 2]) x = 0.57983 2.54621 info = 1
octave:22> quit MathLab>
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