1
鍒╃敤
MATLAB
杩涜澶嶅彉鍑芥暟鐨勪富瑕佽繍绠?/p>
鎽樿
澶嶅彉鍑芥暟涓庣Н鍒嗗彉鎹㈢悊璁烘�ц緝寮?/p>
,
鍙堟槸瑙ｅ喅瀹為檯闂鐨勫己鏈夊姏鐨勫伐鍏?/p>
.
璇ヨ
绋嬪凡娣卞叆鍒版暟瀛︾殑鍚勪釜鍒嗘敮
,
濡傚井鍒嗘柟绋嬨�?/p>
绉垎鏂圭▼銆?/p>
姒傜巼璁哄拰鏁拌绛夊涓绉?/p>
.
鐒惰�岃璇剧▼鐨勫緢澶氬唴瀹规瘮杈冩娊璞?/p>
,
瀛﹁捣鏉ユ瘮杈冩灟鐕ヤ笖闅惧
.
鏈枃鍒╃敤
MATLAB
璁ㄨ浜嗗鍙樺嚱鏁颁笌绉垎鍙樻崲涓殑澶嶆暟杩愮畻銆佹嘲鍕掔骇鏁扮殑灞?/p>
寮�銆佺暀鏁般�佹湁鐞嗗嚱鏁板睍寮�銆?/p>
Fourier
鍙樻崲銆?/p>
Laplace
鍙樻崲鍜屽鍙樺嚱鏁板浘褰㈢粯鍒剁瓑
鍑犱釜闂
.
杩欐牱涓嶄粎鎻愰珮鍜屽畬鍠勫鍙樺嚱鏁颁笌绉垎鍙樻崲鏂规硶鐨勫疄鐢ㄦ�?/p>
,
鍚屾椂鍙互鍩?/p>
鍏诲涔犺�呰繍鐢?/p>
MATLAB
璇█缂栫▼鐨勮兘鍔?/p>
,
瀵瑰涔犺�呬互鍚庣殑涓撲笟璇惧強宸ヤ綔涓娇鐢ㄦ暟
瀛﹁蒋浠惰繘琛屾暟鎹鐞嗘湁寰堝ぇ甯姪
.
鍏抽敭璇嶏細
MATLAB;
澶嶅彉鍑芥暟
;
绉垎鍙樻崲
1.
澶嶆暟鐨勭敓鎴愶細
Z= a + b*I;z = r*exp(i*theta);
2.
澶嶆暟鐨勮繍绠楋細
Real
锛?/p>
z
锛?/p>
imag
锛?/p>
z
锛?/p>
锛?/p>
3
锛庡叡杞鏁?/p>
澶嶆暟鐨勫叡杞彲鐢卞嚱鏁?/p>
conj
瀹炵幇銆?/p>
璋冪敤褰㈠紡
conj(x)
杩斿洖澶嶆暟
x
鐨勫叡杞鏁?/p>
4
锛庡鏁扮殑妯″拰杈愯
澶嶆暟鐨勬ā鍜岃緪瑙掔殑姹傝В鐢卞姛鑳藉嚱鏁?/p>
abs
鍜?/p>
angle
瀹炵幇銆傝皟鐢ㄥ舰寮?/p>
abs(x)
澶嶆暟
x
鐨勬ā
angle(x)
澶嶆暟
x
鐨勮緪瑙?/p>
5
锛庡鏁扮殑涔橀櫎娉?/p>
澶嶆暟鐨勪箻闄ゆ硶杩愮畻鐢?/p>
鈥?鈥?/p>
鍜?/p>
鈥?nbsp;
飥?/p>
鈥?/p>
瀹炵幇銆?/p>
6
锛庡鏁扮殑骞虫柟鏍?/p>
澶嶆暟鐨勫钩鏂规牴杩愮畻鐢卞嚱鏁?/p>
sqrt
瀹炵幇銆?/p>
璋冪敤褰㈠紡
sqrt(x)
杩斿洖澶嶆暟
x
鐨勫钩鏂规牴鍊笺�?/p>
7
锛庡鏁扮殑骞傝繍绠?/p>
澶嶆暟鐨勫箓杩愮畻鐨勫舰寮忎负
x^ n
缁撴灉杩斿洖澶嶆暟
x
鐨?/p>
n
娆″箓銆?/p>
8.
澶嶆暟鐨勬寚鏁板拰瀵规暟杩愮畻
澶嶆暟鐨勬寚鏁板拰瀵规暟杩愮畻鍒嗗埆鐢卞嚱鏁?/p>
exp
鍜?/p>
log
瀹炵幇銆?/p>
璋冪敤褰㈠紡
exp(x)
杩斿洖澶嶆暟
x
鐨勪互
e
涓哄簳鐨勬寚鏁板�?/p>
log( x)
杩斿洖澶嶆暟
x
鐨勪互
e
涓哄簳鐨勫鏁板�笺�?/p>
9
锛庡鏁版柟绋嬫眰鏍?/p>
澶嶆暟鏂圭▼姹傛牴鎴栧疄鏂圭▼鐨勫鏁版牴姹傝В涔熺敱鍑芥暟
solve
瀹炵幇銆?/p>
10.
鐣欐暟
鍦?/p>
MATLAB
涓彲鐢ㄥ涓嬫柟娉曪細鍋囪浠ョ煡濂囩偣
a
鍜?/p>
m
閲嶆暟锛屽垯鐢ㄤ笅闈㈢殑
MATLAB
璇彞鍙眰鍑虹浉搴旂殑鐣欐暟
Limit(f*(x-a),x,a)
%
杩斿洖
x=a
鐨勪竴绾ф瀬鐐圭殑鐣欐暟
Limit(diff(f*(x-a)^m,x,m-1)/prod(1:m-1),z,a
%
杩斿洖
x=a
鐨?/p>
m
绾ф瀬鐐圭殑鐣欐暟