1
/
5
銆?/p>
MATLAB
绋嬪簭璁捐銆嬪涔犻
涓�
濉┖棰?/p>
1
宸茬煡
A=[2 5 6;1 7 8];B=[1 4 3;4 7 0];
鍐欏嚭涓嬪垪鍚勬寚浠よ繍琛岀殑缁撴灉銆?/p>
A & B
鐨勮繍琛岀粨鏋滀负
[1 1 1;1 1 0]
銆?/p>
A
==
B
鐨勮繍琛岀粨鏋滀负
[0 0 0 ;0 1 0]
銆?/p>
2
浜х敓
3
闃跺崟浣嶉樀鐨勫懡浠や负
eye(3)
锛涗骇鐢?/p>
4
闃跺叏
1
鏂归樀鐨勫懡浠や负
ones(4)
銆?/p>
3 A=rand(5,8);b=size(A);c=length(A)
锛涘垯
b
鍜?/p>
c
鐨勫�煎垎鍒负
[5,8]
鍜?/p>
8
銆?/p>
4
姹傜煩闃电殑鐗瑰緛鍊肩殑鎸囦护涓?/p>
eig
銆?/p>
5
绗﹀彿
锛?/p>
鍙互浣垮懡浠よ涓嶆樉绀鸿繍绠楃粨鏋滐紝
%
鐢ㄦ潵琛ㄧず璇ヨ涓烘敞閲婅銆?/p>
6
鍦ㄧ嚎褰㈠浘鍨嬫牸寮忕殑璁剧疆涓紝瀛楃
r
琛ㄧず浠�涔堥鑹诧紙绾㈣壊锛?/p>
7
fix
鍑芥暟鍥涜垗浜斿叆瀵规暟缁?/p>
[3.17
锛?/p>
5.34
锛?/p>
8.90
锛?/p>
2.52]
鍙栨暣锛岀粨鏋滀负
[3 5 8 2]
銆?/p>
8 P, Q
鍒嗗埆鏄釜澶氶」寮忕殑绯绘暟鐭㈤噺锛屾眰
P
瀵瑰簲鐨勫椤瑰紡鐨勬牴锛屼娇鐢ㄧ殑鍛戒护鏄?/p>
roots(P)
9
浣?/p>
2
涓?/p>
plot
鐨勫浘褰㈠湪鍚屼竴涓潗鏍囨樉绀猴紝浣跨敤
hold
on
鍛戒护杩涜鍥惧舰淇濇寔锛屼娇鐢?/p>
grid
on
鍛戒护涓哄浘褰?/p>
娣诲姞缃戞牸銆?/p>
10
鏁版嵁鎷熷悎閲囩敤
___polyfit___
鍑芥暟锛涙眰涓嶅畾绉垎閲囩敤
___ int ___
鍑芥暟銆?/p>
11 A=rand(2,5);b=size(A);c=length(A)
锛涘垯
b
鍜?/p>
c
鐨勫�煎垎鍒负
_2
5
鍜?/p>
5__
12
宸茬煡
A
鏄煩闃碉紝姹?/p>
A
鐨勫瑙掔煩闃靛嚱鏁版槸
___diag(A)____
锛屾眰
A
鐨勪笅涓夎鐭╅樀鍑芥暟鏄?/p>
__tril(A)____
銆?/p>
13
鏉″舰鍥剧敱鍑芥暟
__bar___
鏉ュ疄鐜般�?/p>
14
宸茬煡
s=
鈥樻樉绀衡�?/p>
hey
鈥?/p>
鈥?/p>
锛屽垯
s
鐨勫厓绱犱釜鏁版槸
9
浜?/p>
瑙ｇ瓟棰?/p>
1
銆?/p>
A=[71
锛?/p>
3
锛?/p>
-8;
2
锛?/p>
-9
锛?/p>
8;
0
锛?/p>
4
锛?/p>
5]
B=A
鈥?/p>
闂?/p>
B=
锛?/p>
锛?/p>
绛旀锛?/p>
B=[71
锛?/p>
2
锛?/p>
0;
3
锛?/p>
-9
锛?/p>
4 ;
-8
锛?/p>
8
锛?/p>
5]
2
銆?/p>
A=[1,2;3,4];B[1,0;0,1];
璇烽棶
A*B=
锛?/p>
,A.*B=
锛?/p>
绛旀锛?/p>
A*B=[1,2;3,4],A.*B=[1,0;0,4]
3
銆?/p>
A=[57
锛?/p>
19
锛?/p>
38;
-2
锛?/p>
31
锛?/p>
8;
0
锛?/p>
84
锛?/p>
5]
B=rot90(A)
B=(
)
绛旀锛?/p>
B=[38
锛?/p>
8
锛?/p>
5; 19
锛?/p>
31
锛?/p>
84;
57
锛?/p>
-2
锛?/p>
0]
4
銆佸凡鐭ワ細
A=[2,2,-1,1;
4,3,-1,2; 8, 5,-3,4;
3,3,-2,2]
R=rank(A)
R=
锛?/p>
锛?/p>
A=[2
锛?/p>
2
锛?/p>
3;
4
锛?/p>
5
锛?/p>
-6;
7
锛?/p>
8
锛?/p>
9]
trace(A)=(
)
绛旀锛?/p>
4
锛?/p>
16
5
銆?/p>
A=[0
锛?/p>
0
锛?/p>
0;
0
锛?/p>
1
锛?/p>
0;
0
锛?/p>
0
锛?/p>
1]
pinv(A)=
锛?/p>
锛?/p>
绛旀锛?/p>
[0
锛?/p>
0
锛?/p>
0;
0
锛?/p>
1
锛?/p>
0;
0
锛?/p>
0
锛?/p>
1]