30 lines
475 B
Modula-2
30 lines
475 B
Modula-2
var y x z;
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varexo ex ey ez;
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parameters a_y_1 a_y_2 b_y_1 b_y_2 b_x_1 b_x_2 c_z_1 d;
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a_y_1 = .2;
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a_y_2 = .3;
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b_y_1 = .1;
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b_y_2 = .4;
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b_x_1 = -.1;
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b_x_2 = -.2;
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c_z_1 = .9;
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d = .1;
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var_model(model_name=toto, eqtags=['eq:x', 'eq:y']);
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model;
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[name='eq:y']
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y = a_y_1*y(-1) + a_y_2*diff(x(-1)) + b_y_1*y(-2) + b_y_2*diff(x(-2)) + ey ;
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z = c_z_1*z(-3) + d*y + ez;
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[name='eq:x']
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diff(x) = b_x_1*y(-2) + b_x_2*diff(x(-1)) + ez ;
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end;
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get_companion_matrix('toto'); |