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5仿真币
to setup, G: |# x0 L# c1 P+ T, n5 n9 @
clear-all
9 W$ t- k) A/ b y6 F0 A5 m* r1 A crt 5
; V( {% @: ^# I+ q0 }' V9 _ absolute-value 10
) Q; X, o: C( ]' _end) L9 Q1 S& e# _0 Z$ s3 u, T5 m3 w
to-report absolute-value [ number ]4 z9 q5 x$ e& q2 I$ `3 L
ifelse number >= 0 [report number] [report (- number)]4 U4 B1 T$ l ^# A% m3 ]7 O) z
end" O) O a0 q9 n/ j: j" o1 F
check时出错 |
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