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25 lines
775 B
MiniZinc
25 lines
775 B
MiniZinc
% Taken from https://www.minizinc.org/doc-2.7.3/en/modelling.html
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% variables
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var float: R; % quarterly repayment
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var float: P; % principal initially borrowed
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var 0.0 .. 10.0: I; % interest rate (per quarter)
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% intermediate variables
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var float: B1; % balance after one quarter
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var float: B2; % balance after two quarters
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var float: B3; % balance after three quarters
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var float: B4; % balance owing at end
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constraint B1 = P * (1.0 + I) - R;
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constraint B2 = B1 * (1.0 + I) - R;
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constraint B3 = B2 * (1.0 + I) - R;
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constraint B4 = B3 * (1.0 + I) - R;
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solve satisfy;
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output [
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"Borrowing ", show_float(0, 2, P), " at ", show(I*100.0),
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"% interest, and repaying ", show_float(0, 2, R),
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"\nper quarter for 1 year leaves ", show_float(0, 2, B4), " owing\n"
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];
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