²é¿´: 560  |  »Ø¸´: 1

xxjwxt

гæ (³õÈëÎÄ̳)

[ÇóÖú] Á¬Ðøº¯ÊýÈ¡Ñùºó£¬ÔõôÓÃfft+ifftÇó¾í»ý£¿

±ÈÈ磺
t=0:0.1:10;
f=sin(t);
g=t;

Çóf(t)*g(t)?


ifft(fft(f).*fft(g))
²»¶Ô°¡

лл£¡
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÍÚ¿ÓÂñÒÇÆ÷

гæ (ÕýʽдÊÖ)

½¨ÒéÄãÓÃCÓïÑÔ»òÕßFortranÈ¥±à£¬ÄãдµÄÌ«ÓÐħÐÔ´íÁËÍêÈ«²»ÖªµÀÄÄÀï´íÁ˶øÇÒ¼ÆËãËÙ¶ÈÂý¡£

·¢×ÔСľ³æAndroid¿Í»§¶Ë
2Â¥2016-03-16 01:03:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xxjwxt µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏר˶ӢһÊý¶þ306 +7 z1z2z3879 2026-03-18 7/350 2026-03-20 23:48 by JourneyLucky
[¿¼ÑÐ] 323Çóµ÷¼Á +3 ÍÝСͰ 2026-03-18 3/150 2026-03-20 22:54 by JourneyLucky
[¿¼ÑÐ] 324Çóµ÷¼Á +5 luckyѽѽѽѼ 2026-03-20 5/250 2026-03-20 22:30 by ´ÙÌì³É
[¿¼ÑÐ] 288Çóµ÷¼Á +16 ÓÚº£º£º£º£ 2026-03-19 16/800 2026-03-20 22:28 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸:ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶£¬×Ü·Ö289·Ö +4 @taotao 2026-03-19 4/200 2026-03-20 22:14 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ»¯Ñ§£¨0703£©×Ü·Ö337Çóµ÷¼Á +8 niko- 2026-03-19 9/450 2026-03-20 21:57 by luoyongfeng
[¿¼ÑÐ] ²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö +11 adaie 2026-03-19 11/550 2026-03-20 21:30 by laoshidan
[¿¼ÑÐ] Çóµ÷¼Á +3 eation27 2026-03-20 3/150 2026-03-20 19:32 by JourneyLucky
[»ù½ðÉêÇë] ѧУÒѾ­Ìá½»µ½NSFC£¬»¹ÄÜÐÞ¸ÄÂ𣿠40+4 babangida 2026-03-19 8/400 2026-03-20 15:58 by babero
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +10 ÄÝÄÝninicgb 2026-03-15 14/700 2026-03-19 22:59 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸¸£´ó288Óлú»¯Ñ§£¬Çóµ÷¼Á +3 Сľ³æ200408204 2026-03-18 3/150 2026-03-19 13:31 by houyaoxu
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-16 12/600 2026-03-19 11:10 by ÉúÎ﹤³Ìµ÷¼Á
[¿¼ÑÐ] 344Çóµ÷¼Á +6 knight344 2026-03-16 7/350 2026-03-18 20:13 by walc
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí²ÄÁÏ305·ÖÇóµ÷¼Á +5 ÏëÉϰ¶µÄÀðÓã 2026-03-18 6/300 2026-03-18 17:53 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 08¹¤¿Æ 320×Ü·Ö Çóµ÷¼Á +5 À滨çóÍí·ç 2026-03-17 5/250 2026-03-18 14:49 by haxia
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼²©] 26²©Ê¿ÉêÇë +3 1042136743 2026-03-17 3/150 2026-03-17 23:30 by ÇáËɲ»ÉÙËæ
[¿¼ÑÐ] 304Çóµ÷¼Á +5 ËØÄê¼ÀÓï 2026-03-15 5/250 2026-03-16 17:00 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] 0856ר˶279Çóµ÷¼Á +5 ¼ÓÓͼÓÓÍ£¡? 2026-03-15 5/250 2026-03-15 11:58 by 2020015
[¿¼ÑÐ] ±¾¿ÆÄϾ©´óѧһ־Ը´¨´óҩѧ327 +3 ÂóÌï¸ûÕß 2026-03-14 3/150 2026-03-14 20:04 by ÍâÐÇÎÄÃ÷
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û