MLPY/Lib/site-packages/sympy/parsing/autolev/test-examples/ruletest12.al

VARIABLES X,Y
CONSTANTS A,B,R
EQN[1] = A*X^3+B*Y^2-R
EQN[2] = A*SIN(X)^2 + B*COS(2*Y) - R^2
INPUT A=2.0, B=3.0, R=1.0
INPUT X = 30 DEG, Y = 3.14
CODE NONLINEAR(EQN,X,Y) some_filename.c