1. MATLABãšã¯
MATLABãšã¯ãç§åŠæè¡èšç®ãããŒã¿åæã«éåžžã«åªãããœãããŠã§ã¢ã§ããã®å称ã¯MATrix LABoratoryïŒãããªãã¯ã¹ã»ã©ãã©ããªãŒïŒã®ç¥ããæ¥ãŠãããçŽèš³ãããšãè¡åã®å®éšå®€ããšãªããŸãããã®åã®éããMATLABã¯è¡åããã¯ãã«ãªã©ã®æ°å€ããŒã¿ã®åãæ±ãã«é·ããŠããããã®åæãå¯èŠåã容æã«ã§ããããšãç¹åŸŽãšãªã£ãŠããŸãã
1.1 MATLABã®å®çŸ©
MATLABã¯ãæ°å€èšç®ãäž»ã«çšãããœãããŠã§ã¢ã§ãç·åœ¢ãªãã³ã«éç·åœ¢åé¡ã解ãããã«éçºãããŸããããã®é«åºŠãªèšç®èœåã掻ãããŠãã¢ã«ãŽãªãºã éçºãããŒã¿åæãã·ãã¥ã¬ãŒã·ã§ã³ãæ°åŠçã¢ããªã³ã°ãªã©ãæ§ã ãªåéã§åºãçšããããŠããŸãããŸããMATLABã¯ã¹ã¯ãªããèšèªãšããŠãæ©èœããããã«ãããŠãŒã¶ãŒã¯èªããå¿ èŠãšããé¢æ°ãäœæã»å®è£ ããããè€éãªåé¡ã«å¯Ÿå¿ããããšãå¯èœãšãªã£ãŠããŸãã
1.2 MATLABã䜿çšãããåé
MATLABã¯ããã®æ©èœã®å¹ åºãããæ§ã ãªåéã§äœ¿çšãããŠããŸããããšãã°ããšã³ãžãã¢ãªã³ã°ã®åéã§ã¯ãã·ã¹ãã ã®èšèšã解æããã¹ããšãã£ãå·¥çšãå¹çããè¡ããŸããããŒã¿ãµã€ãšã³ã¹ã®åéã§ã¯ã倧éã®ããŒã¿ããæçãªæ å ±ãæœåºãããã®é ãããã¿ãŒã³ã解æããããã®æç¶ããæ¯æŽããŸãããŸããæè²ã®åéã§ã¯ãåŠçãæ°åŠãç§åŠããšã³ãžãã¢ãªã³ã°ã®çè«ãç解ãããããå®éçãªåé¡è§£æ±ºã«æŽ»ããããã®ããŒã«ãšããŠäœ¿çšãããŠããŸãã
1.3 MATLABã®ç¹åŸŽãšã¡ãªãã
MATLABã®æã倧ããªç¹åŸŽã¯ãåŠçé床ã®éããšäœ¿ããããã§ããMATLABã¯ããã¯ãã«ãè¡åã®å€§èŠæš¡ãªèšç®ãªã©ãé«éã«è¡ãããšãã§ããããã«ããèšç®çµæãè¿ éã«ååŸããããšãå¯èœãšãªã£ãŠããŸãããŸããMATLABã®ããäžã€ã®å€§ããªç¹åŸŽã¯ãã®äœ¿ããããã§ããããã°ã©ãã³ã°åå¿è ã§ãæ±ããããããã«èšèšãããŠãããæ°åŒãªã©ããã®ãŸãŸèšè¿°ããããšãã§ãããããšãŠãçŽæçã«æäœããããšãå¯èœã§ããæŽã«ãMATLABã¯ã°ã©ãæç»æ©èœãéåžžã«åªããŠãããèšç®çµæãèŠèŠçã«ç解ããããã«æå¹æŽ»çšããããšãã§ããŸãã
2. MATLABãå§ããåã«
ããã°ã©ãã³ã°èšèªãåŠã¶ã«ããã£ãŠæåã«èããã¹ãã¯ããã®ããã®é©åãªç°å¢ãæŽããããšã§ããMATLABã§ãäŸå€ã§ã¯ãããŸãããã§ã¯ãäžäœã©ã®ãããªç°å¢ãæºåããã°è¯ãã®ã§ãããããããã§ãããã«ã€ããŠè©³ãã解説ããŠãããŸãã
2.1 å¿ èŠãªæ©åšãšç°å¢
MATLABãåäœããããã«ã¯ãäžå®ã®ã¹ããã¯ãæã€ããœã³ã³ãå¿ èŠã§ããããšãã°ãWindowsãã䜿ãã®æ¹ã§ããã°ãWindows 7 Service Pack 1以éãšã2GB以äžã®RAMïŒãã ã4GB以äžãæšå¥šïŒãæèŒããPCãå¿ èŠã«ãªããŸãããŸããããŒããã£ã¹ã¯ã«ã¯æäœã§ã2GB以äžïŒæšå¥šã§ã¯10ïœ40GBïŒã®ç©ºã容éãå¿ èŠãšãªããŸãã
Macãã䜿ãã®æ¹ã¯ãOSãmacOS MojaveïŒ10.14ïŒä»¥éã§ããããšãRAMã2GB以äžïŒ4GB以äžãæšå¥šïŒãããŒããã£ã¹ã¯ã®ç©ºã容éãæäœã§ã5GB以äžïŒãã ããæšå¥šã¯10ïœ40GBïŒã®ç©ºã容éãããç°å¢ãæŽããå¿ èŠããããŸãããã£ãããšã¹ããã¯ã確èªããMATLABãå¿«é©ã«åäœããç°å¢ãæŽããŸãããã
2.2 MATLABã®ã€ã³ã¹ããŒã«æ¹æ³
MATLABã®ã€ã³ã¹ããŒã«ã¯ãæ¯èŒçç°¡åã«é²ãã§ãããŸãããŸãã¯ãMATLABã®å ¬åŒããŒã ããŒãžãžè¡ããMATLABã®ã€ã³ã¹ããŒã©ãŒãããŠã³ããŒãããŸãã
ããŠã³ããŒããå®äºããããã€ã³ã¹ããŒã©ãŒãç«ã¡äžããŸããããç«ã¡äžããããæ瀺ã«åŸããªããé²ããŠãããŸããéäžããLog in with a MathWorks Accountããéžæããæ¢ã«æã£ãŠããMathWorksã®ã¢ã«ãŠã³ãæ å ±ãå ¥åããŸããæã£ãŠããªãæ¹ã¯ãã¢ã«ãŠã³ãäœæããŒãžãžé²ã¿ãã¢ã«ãŠã³ããäœæããŠãã ããã
ãã以éã¯ãåºæ¬çã«æ瀺ã«åŸããªããé²ããŠããã°åé¡ãããŸãããã€ã³ã¹ããŒã«ãå®äºããã°ãMATLABãç«ã¡äžããããšãåºæ¥ãŸããã€ã³ã¹ããŒã«ãæåãããã©ããã¯ãã¢ããªã±ãŒã·ã§ã³ãéããŠã¿ããšç¢ºèªã§ããŸãã
2.3 MATLABã®ããŒãžã§ã³ã«ã€ããŠ
MATLABã¯å®æçã«æ°ããŒãžã§ã³ããªãªãŒã¹ãããŸããæ°ããŒãžã§ã³ã«ã¯ãæ°æ©èœã®è¿œå ããã°ä¿®æ£ãå«ãŸããŠããŸããããããå šãŠã®äººãå¿ ãããææ°ããŒãžã§ã³ã䜿ãå¿ èŠã¯ãããŸããã
ããªãã®ãªãµãŒãããããžã§ã¯ãã§å¿ èŠãšãããæ©èœãæã€ããŒãžã§ã³ã䜿ããŸãããããŸããç¹å®ã®ããŒãžã§ã³ãèŠæ±ããç 究宀ãäŒæ¥ãªã©ãååšããŸãã®ã§ããã®ç¹ãèæ ®ã«å ¥ããŠããŒãžã§ã³ãéžãã§ãããšè¯ãã§ãããã
ã²ãšãŸãã¯ãã¢ããªã±ãŒã·ã§ã³ãæ£åžžã«åäœããããšã確èªããããããŒãžã§ã³éžã³ãå«ããŠæºåã¯OKã§ããä»åŸã¯ããã®ç°å¢ã§MATLABãåŠç¿ããŠãããŸãã
3. MATLABã®åºæ¬æäœ
MATLABãšããããã°ã©ãã³ã°èšèªãå¹æçã«äœ¿çšããããã«ã¯ããã®åºæ¬æäœãææ¡ããããšãå¿ é ãšãªããŸããããã§ã¯ãMATLABã®ç»é¢æ§æã«é¢ãã説æãåºæ¬çãªã³ãã³ãã®äœ¿ãæ¹ããããŠè€æ°è¡ã®ããã°ã©ãã³ã°ã®æžãæ¹ãªã©ã«ã€ããŠè©³è§£ããŠãããŸãã
3.1 MATLABã®ç»é¢æ§æ
MATLABã®ç»é¢ã¯äžè¬çã«4ã€ã®ãšãªã¢ã§æ§æãããŠããŸãããããã¯ã³ãã³ããŠã£ã³ããŠãäœæ¥ã¹ããŒã¹ãã³ãã³ãå±¥æŽããããŠçŸåšã®ãã©ã«ããšåŒã°ããŠããŸãã
ãŸããã³ãã³ããŠã£ã³ããŠã§ã¯ããŠãŒã¶ãŒãçŽæ¥MATLABã³ãã³ããå ¥åããå®è¡ããããšãã§ããŸããäœæ¥ã¹ããŒã¹ã¯ããŠãŒã¶ãŒãçŸåšå©çšããŠãããã¹ãŠã®å€æ°ã衚瀺ããŸãã次ã«ãã³ãã³ãå±¥æŽã¯éå»ã«å ¥åããã³ãã³ããäžèŠ§è¡šç€ºããåå©çšã容æã«ããŸããæåŸã«ãçŸåšã®ãã©ã«ãã§ã¯äœæ¥äžã®ãã£ã¬ã¯ããªãšããã«ååšããMATLABãã¡ã€ã«ã管çããããšãã§ããŸãã
3.2 MATLABã®åºæ¬çãªã³ãã³ã
MATLABã§ã¯ãç¬èªã®åŒ·åãªã³ãã³ãã»ãããçšæãããŠããŸããäŸãã°ãdisp()é¢æ°ã¯åŒæ°ãšããŠæž¡ãããããŒã¿ã衚瀺ããã®ã«äœ¿çšãããé åãè¡åã®äœæã«ã¯zeros()ãones()ãçšããŸãã
ãŸããèšç®ã«ã¯éåžžã®ååæŒç®ã«å ããŠããŸããŸãªæ°åŠé¢æ°ãçšæãããŠãããããããå©çšããããšã§ç¬èªã®èšç®ã容æã«å®è¡ã§ããŸãããã®ä»ã®äŸ¿å©ãªã³ãã³ããšããŠã¯ãhelp()ããããŸãããã®ã³ãã³ãã¯ããã®åŒæ°ã«æå®ããé¢æ°ãã³ãã³ãã®äœ¿çšæ¹æ³ã衚瀺ããããã«çšããŸãã
3.3 è€æ°è¡ã®ããã°ã©ãã³ã°ã®æžãæ¹
å段éã§MATLABã³ãã³ããäžã€ã²ãšã€å ¥åãçµæãèŠãããšãå¯èœã§ãããããè€éãªèšç®ãæäœãè¡ãããã«ã¯ãè€æ°è¡ã®ã³ããŒããæžãããããäžåºŠã«å®è¡ããæ¹ãå¹æçã§ãã
ãããè¡ãã«ã¯.mãã¡ã€ã«ãäœæããã°ããã§ãã.mãã¡ã€ã«ã¯ãMATLABã®ã¹ã¯ãªãããŸãã¯é¢æ°ãä¿æããŠããããã®å Žæã§ããããããçšæããäžé£ã®ã³ãã³ããé çªã«å®è¡ããŸããããã«ãããåŠçã®è€éããå¢ããŠããã®æåããã£ãããšã³ã³ãããŒã«ãããŸãŸé²ããããšãå¯èœãšãªããŸãã
4. MATLABã§ã®ããã°ã©ãã³ã°ã®åºç€ç¥è
MATLABã¯éåžžã«åŒ·åãªèšç®æ©èœãæã€ããã°ã©ãã³ã°èšèªã§ãããé©åã«å©çšããããã«ã¯åºç€çãªããã°ã©ãã³ã°ç¥èãå¿ èŠã§ããããã§ã¯ãåºæ¬çãªå€æ°ã®ç®¡çãé åãšè¡åã®ç®¡çãå¶åŸ¡æ§æã®äœ¿ãæ¹ããããŠã«ãŒãåŠçã®äœ¿ãæ¹ã«ã€ããŠè©³ãã解説ããŠãããŸãã
4.1 å€æ°ã®ç®¡ç
å€æ°ãšã¯ãããŒã¿ãäžæçã«ä¿åããŠããããã®ã¡ã¢ãªã¹ããŒã¹ã®ããšãæããŸããMATLABã§ã¯ãåºæ¬çã«äœã§ãå€æ°ãšããŠèšæ¶ããããšãã§ããŸããå€æ°ã®ååã決ãããšãã«ã¯ãæ確ã§ããããããååãä»ããããšãæšå¥šãããŸããèšå®ããå€æ°ã¯clear
é¢æ°ãçšããŠåé€ããããšãã§ããŸãã
4.2 é åãšè¡åã®ç®¡ç
MATLABã§ã¯ãæ°å€ããŒã¿ãé
åãè¡åãšããŠç®¡çããããšãå€ããé
åãšè¡åã®ç®¡çã¯MATLABãç解ããäžã§æ¥µããŠéèŠãªã¹ãã«ãšãªããŸãããªã¹ãåã®é
åã¯[]
ã䜿çšããŠäœæããŸããè¡åã«ã€ããŠã¯ãzeros
, ones
ãªã©ã®é¢æ°ã䜿ã£ãŠçæãå¯èœã§ãã
4.3 å¶åŸ¡æ§æã®äœ¿ãæ¹
MATLABã«ã¯æ§ã
ãªå¶åŸ¡æ§æãååšããŸããããã®äžã§ã代衚çãªãã®ã¯if
, else
, elseif
ãšãã£ãæ¡ä»¶å€æãããããã®æ§æã§ãããã®å¶åŸ¡æ§æãçšããããšã§ãç¹å®ã®æ¡ä»¶ã«åèŽããæã®ã¿ãç¹å®ã®æäœãè¡ããšãã£ãåŠçãèšå®ã§ããŸãã
4.4 ã«ãŒãåŠçã®äœ¿ãæ¹
MATLABã«ãããã«ãŒãåŠçã¯ãæå®ããæ¡ä»¶ãæºãããããŸã§åãåŠçãç¹°ãè¿ãããã®æ¹æ³ã§ãããäºã€ã®äž»èŠãªã«ãŒãåŠçãšããŠfor
ãšwhile
ããããŸããfor
ã«ãŒãã¯æå®ããåæ°ã ãåŠçãç¹°ãè¿ããwhile
ã«ãŒãã¯ç¹å®ã®æ¡ä»¶ãæºãããããŸã§åŠçãç¶ããŸãã
5. MATLABã§ã®é¢æ°ã®äœæãšäœ¿çš
é¢æ°ã¯ããã°ã©ãã³ã°ã«ãããŠéåžžã«éèŠãªèŠçŽ ã§ãå¿ èŠãªåŠçããŸãšããŠäžã€ã®åäœãšããããšã§ãã³ãŒããã·ã³ãã«ã«ããåå©çšæ§ãé«ããããšãã§ããŸããMATLABã§ãåæ§ã«é¢æ°ãå©çšãããããäžå®ã®æç¶ãããŸãšããŠç®¡çããããšãå¯èœã§ããããã§ã¯ãMATLABã«ãããé¢æ°ã®åºæ¬çãªäœ¿ãæ¹ãåŠã³ãŸãããã
5.1 é¢æ°ãšã¯
é¢æ°ãšã¯ãäžå®ã®æç¶ããäžã€ã®åäœãšããŠãŸãšãããã®ã®ããšãæããŸããMATLABã®é¢æ°ã¯ãäžã€ãŸãã¯è€æ°ã®å ¥åïŒåŒæ°ïŒãåãåããäžã€ãŸãã¯è€æ°ã®çµæïŒåºåïŒãè¿ãããšãã§ããŸããé¢æ°ãå©çšããããšã§ãåãæç¶ããäœåºŠãæžãããšãªããããã°ã©ã ãå¹ççã«äœæããããšãã§ããŸãã
5.2 é¢æ°ã®äœææ¹æ³
MATLABã§é¢æ°ãäœæããã«ã¯ããŸãæåã«functionãšããããŒã¯ãŒããçšããŸãããã®æ¬¡ã«çµæã®åºåãé¢æ°åãåŒæ°ãæå®ããŸããé¢æ°æ¬äœã§ã¯ãæ±ãããåŠçãèšè¿°ããŸãã以äžã«ãé¢æ°ã®åºæ¬çãªæ§é ã瀺ããŸãã
function [åºå] = é¢æ°å(å ¥å) åŠç end
äŸãã°ã2ã€ã®æ°å€ãå ããé¢æ°ã¯ã次ã®ããã«äœæã§ããŸãã
function [z] = add(x, y) z = x + y; end
ãã®é¢æ°ã¯ãxãšyãšãã2ã€ã®åŒæ°ãåãåããããããå ããçµæãè¿ããŸãã
5.3 æ¢åã®é¢æ°ã®äœ¿çšæ¹æ³
MATLABã«ã¯å€æ°ã®æ¢åã®é¢æ°ãå«ãŸããŠããããããã䜿ãããšã§æ§ã ãªèšç®ãåŠçã容æã«è¡ããŸããæ¢åã®é¢æ°ã䜿çšããéã¯ãé¢æ°åã«ç¶ããŠåŒæ°ãæ¬åŒ§å ã«èšè¿°ããŸãã
åºå = é¢æ°å(å ¥å);
äŸãã°ãå¹³æ¹æ ¹ãèšç®ããsqrté¢æ°ã¯æ¬¡ã®ããã«äœ¿çšããŸãã
result = sqrt(16); % Result is 4
ãã®ããã«ãæ¢åã®é¢æ°ãå©çšããããšã§ãèªåã§è€éãªèšç®åŠçãæžãããšããç°¡åã«ææã®èšç®çµæãåŸãããšãã§ããŸãã
6. MATLABã§ã®ã°ã©ãã®æç»
MATLABã¯ãããŒã¿ã®å¯èŠåã容æã«ãã匷åãªã°ã©ãã£ãã¯æ©èœãåãããã©ãããã©ãŒã ã§ãããŒã¿ã¢ããªã¹ããç 究è ã«ãšã£ãŠã¯éåžžã«æçšãªããŒã«ã§ããããã§ã¯ãMATLABã§ã®ã°ã©ãã®åºæ¬çãªæç»æ¹æ³ããè€éãªã°ã©ãã®æç»æ¹æ³ããããŠã°ã©ãã®ã«ã¹ã¿ãã€ãºæ¹æ³ã«ã€ããŠèª¬æããŸãã
6.1 ã·ã³ãã«ãªã°ã©ãã®æç»æ¹æ³
ãŸããã·ã³ãã«ãª2次å ã°ã©ããæç»ããåºæ¬çãªæ¹æ³ã«ã€ããŠèª¬æããŸããploté¢æ°ã䜿çšããŠãç·ã°ã©ããæç»ããããšãã§ããŸãã次ã®äŸã«ãŠèª¬æããŸãã
% MATLABã³ãŒã x = [1:10]; y = x.^2; plot(x, y);
ããã§ã¯ãxãšyã®å€ãå®çŸ©ãããããã®å€ã䜿çšããŠç·ã°ã©ããæç»ããŸããx = [1:10];ã®éšåã§ã¯ãxã®é åãäœæããŠããŸãããããŠy = x.^2;ã®éšåã§ã¯ãyã®å€ãxã®2ä¹ãšå®çŸ©ããŠããŸããæçµçã«ãplot(x, y);ã®éšåã§ãxãšyã«åºã¥ãã°ã©ããåºåãããŸãã
6.2 è€éãªã°ã©ãã®æç»æ¹æ³
次ã«ãããè€éãªã°ã©ãã®äŸãèããŠã¿ãŸãããã3次å ã°ã©ãã§ããMATLABã§ã¯ã3次å ã®ã¹ãã£ã¿ãŒãããããäœæããããã«scatter3é¢æ°ã䜿ããŸããäŸãã°ã次ã®ããã«äœ¿çšããŸãã
% MATLABã³ãŒã x = rand(100,1); y = rand(100,1); z = rand(100,1); scatter3(x,y,z);
ããã§ã¯ãxãyãzã®å座æšã®100åã®ã©ã³ãã ãªå€ãäœæãããããã®åº§æšã«åºã¥ããŠ3Dã¹ãã£ã¿ãŒãããããæç»ããŸãã
6.3 ã°ã©ãã®ã«ã¹ã¿ãã€ãº
ããŠãMATLABã§ã¯ã°ã©ãã®èŠãç®ã现ããã«ã¹ã¿ãã€ãºããããšãå¯èœã§ããäŸãã°ã以äžã®ãã©ã¡ãŒã¿ã調æŽããããšã§ããèŠãããã°ã©ããäœæããããšãã§ããŸããç·ã®è²ãããŒã«ãŒã®çš®é¡ã軞ã©ãã«ã®è¿œå ãã¿ã€ãã«ã®è¿œå ãªã©ã§ãã
% MATLABã³ãŒã x = [1:10]; y = x.^2; plot(x, y, 'r-.*'); xlabel('X-axis Label'); ylabel('Y-axis Label'); title('Plot Title');
äžèšã®äŸã§ã¯ã’r-.*’ãšããèšè¿°ã䜿ã£ãŠã°ã©ãã®ç·è²ãèµ€ã«ããç·ã®çš®é¡ãç¹ç·ã«ããåããŒã¿ãã€ã³ãã«å¯Ÿå¿ããããŒã«ãŒãæåã«ããŠããŸããããã«ãxlabelãylabelãtitleé¢æ°ã䜿ã£ãŠããããã軞ã®ã©ãã«ãšã¿ã€ãã«ãèšå®ããŠããŸãã
以äžãåºæ¬çãªã°ã©ãäœæããã«ã¹ã¿ãã€ãºãŸã§ã瀺ããŠããŸãããããããã¯ã»ãã®äžéšã§ãMATLABã§ã¯ãã以äžã«è©³çŽ°ãªã°ã©ãã®ã«ã¹ã¿ãã€ãºããä»ã®çš®é¡ã®ã°ã©ãäœæãå¯èœã§ãã
7. MATLABã«ããããŒã¿åæ
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8. ããããMATLABã®ãšã©ãŒãšããããã®å¯ŸåŠæ³
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8.1 ãšã©ãŒã¡ãã»ãŒãžã®èªã¿æ¹
MATLABã§ãšã©ãŒãçºçãããšããšã©ãŒã¡ãã»ãŒãžãã³ãã³ããŠã£ã³ããŠã«è¡šç€ºãããŸãããããã®ãšã©ãŒã¡ãã»ãŒãžã¯äžè¬ã«æ¬¡ã®æ å ±ãå«ãã§ããŸãïŒãšã©ãŒãçºçããå Žæããšã©ãŒã®çš®é¡ããšã©ãŒã«ã€ããŠã®è©³çŽ°èª¬æã§ãã
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8.2 ç¹å®ã®ãšã©ãŒãšãã®å¯ŸåŠæ³
MATLABåå¿è ã¯ãã以äžã®ãããªãšã©ãŒã«åºäŒãããšããããŸã:
‘Undefined function or variable’ïŒãã®ãšã©ãŒã¡ãã»ãŒãžã¯é¢æ°ãå€æ°ãå®çŸ©ãããŠããªããšãã«è¡šç€ºãããŸããåå ãšããŠã¯ãé¢æ°ãå€æ°ã®ã¹ãã«ãã¹ãã«ãã³ã®éãå¿ãããªã©ãèããããŸãããšã©ãŒã¡ãã»ãŒãžã«è¡šç€ºãããç®æã®ååŸã泚ææ·±ãèŠãŠãå€æ°ãé¢æ°ãæ£ããèšè¿°ãããŠããã確èªããŸãããã
Example: x = [1 2 3]; y = Jx Error: Undefined function or variable 'Jx'.
‘Subscripted assignment dimension mismatch’ïŒãã®ãšã©ãŒã¡ãã»ãŒãžã¯ã次å ãäžèŽããŠããªãé åïŒè¡åïŒãžã®ä»£å ¥ãè©Šã¿ãå Žåã«è¡šç€ºãããŸããäŸãã°ããã¯ãã«ã«è¡åãä»£å ¥ããããšããå Žåãªã©ã§ããä»£å ¥ãããåŽãšããåŽã®é åã®åœ¢ç¶ãšãµã€ãºã確èªããŸãããã
Example: a = [1 2 3]; b = [1 2; 3 4]; a = b Error: Subscripted assignment dimension mismatch.
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9.2 ããããã®ãªãœãŒã¹ãšåŠç¿æ³
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9.3 å®éã®ãããžã§ã¯ãã«ãããå¿çšäŸ
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