Cody

Problem 2215. Power supply: 230V to 115V

Solution 2975128

Submitted on 21 Sep 2020 by James
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Test Suite

Test Status Code Input and Output
1   Pass
x = 230; y = transformer(x); y_correct = 115; if ~isequal(y,y_correct) disp('That is not correct!'); disp('ÆÆÆÆÆÆÆÆÆÆÆÆÈØ8áÿèqBDüaZF$TWËF®H0ÑÓKÛÆÆÆÈÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ'); disp('ÆÆÆÆÆÆÆÉÔ$ÜWçXwí/+«}{}º°{×}pÔ¿*/&v&F§ÉgÁÂÔÔÔÆÆÆÆÆÆÆÆÆÆÆÆ'); disp('ÆÆÆÆÆÆÔÔpæ¼í¢rîC/ìn[**ª°"²_!*\"_^¬ï7&¼n/V2¼ÿ§ÖHÔÆÆÆÆÆÆÆÆÆ'); disp('ÆÆÆÆWÐ0õCtîv½»¬°"¡^¬°³;:²-::÷";^¬¬³°÷¬(}(}{I¾$ÖE¶MÈÆÆÆÆÆÆ'); disp('ÆÆÆÛP9{{{ï{}ª°³º°²ª²,:::¨¨¨¸'';::¹¹;²ª*{}|¬}íí<t=åÚBÔÕÆÆÆÆ'); disp('ÆÆÆÐÿj&£j{/»°°³"_;;¹;:¸.¸¨¸¸¸¨,¨,''^^°¬¡"ª¦¦{¿{î46bôBÆÈÑÕÆ'); disp('ÆÆÆÕKC¿}¦º~²²!^;:¨¸¨¸¨¸··´·.¸¨¸¸¸:;::~~¯°÷÷{(*<}íIàãK¶ÑÑÆ'); disp('ÆÆÔMýwri¦¯;'':''::¨´.¨ ·· ···`¨¨:;,,¨¨,;²"°°°"_°÷{r±¼FÛÆÆ'); disp('ÆƧTî{¬¬º":;,¸´¸``.·· · ·····´.´···..`¸¨:;__^¯"÷{i{zagWÈ'); disp('ÆÆÖ¼l|²²"¬²;¸.··· · · ······´.¨:_²¨`¸¨:;_ª°¬°¦»}[uaßN'); disp('ÈÔ©n/÷º""_,¸´···· ·········.´¸¨:::-¹;,::;^°*|{+}}}>J5F'); disp('ÆpIc}*«÷²_:¨¸¸`· ´¸.········.``¸¸¨,;­;;;:;­²"ª÷¦}»}vI6ë'); disp('Èdc+¦/}÷"-:''¨`·· ¨,`.·········´¸¸¸¸,:;_^-::'''';_¡*¦«)t=Yå'); disp('ÔAu}÷÷¡ª²¹''¸`¸· ·¨''`.·.·······´``¸¨¨,;­°~:¨¨:;¹;ª¦{|ízÏß'); disp('Ðs{÷¬º¬_¹;¨¨¸´···¨,''¸`··········`¸¨¨::;-¡º::'':­¹¹^¯^°ºí%p'); disp('Ëõî}¬¬ª¬;:,´····´,:,,`´´´.····.·´¸¨¨'':­_"¦­,:::_°¬*°¡"¬{Y'); disp('§øL?}}*ª¡²''¸``·´¸::::¨¨_*I}_¨...`¸,^[ôî\¬{¬;;_^²º¦¬ï{]l}}'); disp('ß5]«¬°¦{¦^:_ª^_,¸::''²;::_~^~;;¨`¨;¯){ti¬ìïº;^+t¿}*°}i\tcî'); disp('ÆS%î}}¦ïI¦^²"¬°;¸::''­::°nÊʪ^~^¨;(°¬ÊÊLz}*÷;¬ï±sVÌx{»/{?]'); disp('ÉKg4{¬¦î¼}¯;:_;£ç¦²:''¸,²:²:,:¡~:;}-:;¡°÷°²?{Âݾ5ï5ntÍruz6'); disp('®k+÷°º¿ii;,;¨¬¸^áIi°¸´`¸¸´·´¨­²­''º*¹:;__²°C+¾án%Iå%j{tI½ç'); disp('Îv³°+{uu±°;;:*>"lz{t_¸······¨;¬_¨;{";::;-¦=">ïîpîZhtï£awD'); disp('j)¬×{rxÍ©i¡^*_?¬²Y}c¬:`.····''^{:¸¨¡÷::-²²}{»{}{Y±aYao¢ô®W'); disp('&l{{?Jnîz¿¬°ª¯lf¬C?ï°::¨´··¸:¬¿¬:;{}:::²°)JYjrYzADhZdÐ#ÆÆ'); disp('LÌl11îIì[ï°~~°~{ÞÊ©±*,::`.¸'':²²i±¼¦ª~^;²º[ÈÔÆmzôG§ÓÓ¶ÛÔÈÆ'); disp('WDîî{ïuîv]°"^«¦÷¿àÕ§/¹::¸¨ªCPEGõ½ð®YCv¬"}ÔÊÊÊÊËÓèÖÕÔÔÉÆÆÆ'); disp('ÈÔë±zI[{{÷"ª°º*{zøÔʧ¹;­'':&I]tnu}ξn¦{"÷1ÊÊÊÊÊÊÔ®ÖÆÆÆÆÆÆÆ'); disp('ÆÆÔK&I\*{*«*¦{{¿±ÆÊÊÊÕ÷°ª;;­:;­²^_­;-°}DÊÊÊÊÊÊÊÊÊÊÆÆÆÆÆÆÆ'); disp('ÆÆÆ#¶©x/il\tîofbÊÊÊÊÊÊÊMz?²²;:¨¸¸¸'';ª¾ÊIÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÆË'); disp('ÆÆÆÆÆÆÖÐMÖdøFsÉÊÊÊÊÊÊʪÎÆÊÊÖJ°-;-_²uÊV;MÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÆÆÆÆÆÆÆÆÆÆÈÈÊÊÊÊÊÊÊÊÊÊÊz··!3ÊÊÊÆMËÊë² vÊÔÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÆÆÆÆÆÆÆÆÆÆÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÖ¿ ·;¬÷²¸ ¦ÊÅÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÆÆÆÆÆÆÆÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ· ·*42/&bî^:¿ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÆÆÆÆÆÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ:´-ÊÊÊÊÊÊÖÔ^ ½ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÆÆËÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ· :ëÊÊÊÊÊʬ PÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ ²ÞÊÊÊÊÝ WÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÉ {ÊÊÊʲ ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÅ ¹ÊÊÊÊÊ:ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊg µÊÊÊÊËÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ8·gÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊ'); disp('Is this problem a hair-raiser?'); end assert(isequal(y,y_correct))

V_out = 115

2   Pass
% On request of Ned Gulley, some extra testcases (for the, hopefully, stable voltage regulator within the input voltage range specified on the box). assert(isequal(transformer(173),115)) assert(isequal(transformer(225),115)) assert(isequal(transformer(145),115)) assert(isequal(transformer(238),115)) assert(isequal(transformer(163),115)) assert(isequal(transformer(128),115)) assert(isequal(transformer(216),115)) assert(isequal(transformer(164),115)) assert(isequal(transformer(136),115)) assert(isequal(transformer(156),115)) assert(isequal(transformer(166),115)) assert(isequal(transformer(132),115)) assert(isequal(transformer(162),115)) assert(isequal(transformer(227),115)) assert(isequal(transformer(203),115)) assert(isequal(transformer(168),115)) assert(isequal(transformer(174),115)) assert(isequal(transformer(170),115)) assert(isequal(transformer(161),115)) assert(isequal(transformer(226),115)) assert(isequal(transformer(232),115)) assert(isequal(transformer(146),115)) assert(isequal(transformer(151),115)) assert(isequal(transformer(152),115)) assert(isequal(transformer(193),115)) assert(isequal(transformer(201),115)) assert(isequal(transformer(192),115)) assert(isequal(transformer(133),115)) assert(isequal(transformer(137),115)) assert(isequal(transformer(224),115)) assert(isequal(transformer(200),115)) assert(isequal(transformer(221),115)) assert(isequal(transformer(160),115)) assert(isequal(transformer(230),115)) assert(isequal(transformer(176),115)) assert(isequal(transformer(210),115)) assert(isequal(transformer(159),115)) assert(isequal(transformer(177),115)) assert(isequal(transformer(126),115)) assert(isequal(transformer(197),115)) assert(isequal(transformer(141),115)) assert(isequal(transformer(222),115)) assert(isequal(transformer(189),115)) assert(isequal(transformer(223),115)) assert(isequal(transformer(140),115)) assert(isequal(transformer(231),115)) assert(isequal(transformer(236),115)) assert(isequal(transformer(180),115)) assert(isequal(transformer(191),115)) assert(isequal(transformer(149),115)) assert(isequal(transformer(172),115)) assert(isequal(transformer(196),115)) assert(isequal(transformer(135),115)) assert(isequal(transformer(209),115)) assert(isequal(transformer(144),115)) assert(isequal(transformer(233),115)) assert(isequal(transformer(215),115)) assert(isequal(transformer(204),115)) assert(isequal(transformer(187),115)) assert(isequal(transformer(202),115)) assert(isequal(transformer(217),115)) assert(isequal(transformer(171),115)) assert(isequal(transformer(153),115)) assert(isequal(transformer(139),115)) assert(isequal(transformer(148),115)) assert(isequal(transformer(169),115)) assert(isequal(transformer(130),115)) assert(isequal(transformer(219),115)) assert(isequal(transformer(206),115)) assert(isequal(transformer(127),115)) assert(isequal(transformer(129),115)) assert(isequal(transformer(218),115)) assert(isequal(transformer(220),115)) assert(isequal(transformer(213),115)) assert(isequal(transformer(207),115)) assert(isequal(transformer(188),115)) assert(isequal(transformer(179),115)) assert(isequal(transformer(185),115)) assert(isequal(transformer(131),115)) assert(isequal(transformer(157),115)) assert(isequal(transformer(143),115)) assert(isequal(transformer(147),115)) assert(isequal(transformer(138),115)) assert(isequal(transformer(214),115)) assert(isequal(transformer(178),115)) assert(isequal(transformer(182),115)) assert(isequal(transformer(195),115)) assert(isequal(transformer(237),115)) assert(isequal(transformer(155),115)) assert(isequal(transformer(158),115)) assert(isequal(transformer(199),115)) assert(isequal(transformer(211),115)) assert(isequal(transformer(228),115)) assert(isequal(transformer(175),115)) assert(isequal(transformer(150),115)) assert(isequal(transformer(194),115)) assert(isequal(transformer(134),115)) assert(isequal(transformer(229),115)) assert(isequal(transformer(181),115)) assert(isequal(transformer(190),115)) assert(isequal(transformer(165),115)) assert(isequal(transformer(235),115)) assert(isequal(transformer(239),115)) assert(isequal(transformer(212),115)) assert(isequal(transformer(208),115)) assert(isequal(transformer(142),115)) assert(isequal(transformer(198),115)) assert(isequal(transformer(184),115)) assert(isequal(transformer(240),115)) assert(isequal(transformer(205),115)) assert(isequal(transformer(234),115)) assert(isequal(transformer(186),115)) assert(isequal(transformer(183),115)) assert(isequal(transformer(167),115)) assert(isequal(transformer(154),115))

V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115 V_out = 115