| ²é¿´: 567 | »Ø¸´: 2 | ||
[ÇóÖú]
matlab±à³ÌÇóÖú£¡
|
|
¡¾ÀýÌâ4.1.1¡¿²ÉÓÃÖÐÐIJîÉÌÇóÓàÏÒº¯ÊýµÄÊýֵ΢·Ö¡£ ¡¾½â¡¿³ÌÐò£ºdfdx_center.m % dfdx_center clc; clear all; format long; N = 64; dx=2*pi/N; x=0:dx:2*pi; f = cos(x); dfdx(2:N)=(f(3:N+1)-f(1:N-1))/(2*dx); dfdx(1)=2*dfdx(2)-dfdx(3); dfdx(N+1)=2*dfdx(N)-dfdx(N-1); figure(1); set(gca,'FontSize',16); plot(x,dfdx,'r-',x,-sin(x),'bo') grid on; title('ͼ4.1-1 ÓàÏÒº¯ÊýµÄÊýֵ΢·Ö'); xlabel('x'); ylabel('y'); ÇëÎÊÔõôÄܰÑÕâ¸öת»¯³ÉÕýÏҵ쬼±Çó°¡£¬Ã÷ÌìÒª½»£¬Çó´óÉñ°ï棡 |
» ²ÂÄãϲ»¶
070303 ×Ü·Ö349Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
309Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
070300»¯Ñ§Ñ§Ë¶Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
277²ÄÁÏ¿ÆÑ§Ó빤³Ì080500Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
0703»¯Ñ§µ÷¼Á £¬Áù¼¶Òѹý£¬ÓпÆÑоÀú
ÒѾÓÐ5È˻ظ´
»·¾³¹¤³Ìµ÷¼Á
ÒѾÓÐ4È˻ظ´
²ÄÁÏר˶306Ó¢Ò»Êý¶þ
ÒѾÓÐ4È˻ظ´
326Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
0854¿ØÖƹ¤³Ì 359Çóµ÷¼Á ¿É¿çרҵ
ÒѾÓÐ8È˻ظ´
¹ú×Ô¿ÆÃæÉÏ»ù½ð×ÖÌå
ÒѾÓÐ6È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
ÇóÖú matlab½»µãÎÊÌâ
ÒѾÓÐ19È˻ظ´
ÇóÖúmatlab±à³Ì
ÒѾÓÐ13È˻ظ´
¡¾ÇóÖú¡¿ÇóÖú matlab±à³Ì£º¿É·ñʵÏÖÇå³ýÎı¾ÎĵµÊý¾Ý
ÒѾÓÐ5È˻ظ´
¡¾ÇóÖú¡¿¡¾ÇóÖú¡¿ õ¥»¯·´Ó¦¶¯Á¦Ñ§
ÒѾÓÐ13È˻ظ´
¡¾ÇóÖú¡¿ÓÃmatlab±à³Ì£¬ÐèÒª½«Êý¾Ý×Ô¼ì·ÖÀࣨ¸ßÊÖ½øÀ´Ö¸µãÏ£©
ÒѾÓÐ5È˻ظ´
¡¾ÇóÖú¡¿ÇëÎÊmatlab±à³ÌÓïÑÔÈçºÎ´ò°ü³ÉΪ¶ÀÁ¢µÄÓ¦ÓóÌÐò°¡£¿Ð»Ð»
ÒѾÓÐ8È˻ظ´
¡¾ÇóÖú¡¿ ÇóMAtlabÇó½â³ÌÐò£¡£¡£¡
ÒѾÓÐ20È˻ظ´
¡¾ÇóÖú¡¿Ñ§Í¨ÐŵÄc++ºÜÖØÒªÂð£¿Ï£Íû´ó¼Ò¸øµã½¨Òé
ÒѾÓÐ41È˻ظ´
2Â¥2012-07-10 15:18:43
¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
xzhdty: ½ð±Ò+1, лл²ÎÓë 2012-07-10 20:39:32
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
xzhdty: ½ð±Ò+1, лл²ÎÓë 2012-07-10 20:39:32
|
±¾ÌûÄÚÈݱ»ÆÁ±Î |
3Â¥2012-07-10 18:53:22













»Ø¸´´ËÂ¥