Cody

Problem 2215. Power supply: 230V to 115V

Solution 3157866

Submitted on 11 Oct 2020 by ChrisR
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

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))

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))

Suggested Problems

More from this Author31

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!