MATLAB甯哥敤鍑芥暟澶у叏 - 鐧惧害鏂囧簱

鏂板缓

涓婁紶

棣栭〉

鍔╂墜

鏈�杩?/div>

璧勬枡搴?/div>

宸ュ叿

 

 

涓�銆?/p>

MATLAB

甯哥敤鐨勫熀鏈�鏁板�﹀嚱鏁?/p>

 

abs(x)

锛氱函閲忕殑缁濆�瑰�兼垨鍚戦噺鐨勯暱搴?/p>

 

angle(z)

锛氬�嶆�?/p>

z

鐨勭浉瑙?/p>

(Phase angle) 

sqrt(x)

锛氬紑骞虫柟

 

real(z)

锛氬�嶆�?/p>

z

鐨勫疄閮?/p>

 

imag(z)

锛氬�嶆�?/p>

z

鐨勮櫄閮?/p>

 

conj(z)

锛氬�嶆�?/p>

z

鐨勫叡杞�澶嶆�?/p>

 

round(x)

锛氬洓鑸嶄簲鍏ヨ嚦鏈�杩戞暣鏁?/p>

 

fix(x)

锛氭棤璁烘�ｈ礋锛岃垗鍘诲皬鏁拌嚦鏈�杩戞暣鏁?/p>

 

floor(x)

锛氬湴鏉垮嚱鏁帮紝鍗宠垗鍘绘�ｅ皬鏁拌嚦鏈�杩戞暣鏁?/p>

 

ceil(x)

锛氬ぉ鑺辨澘鍑芥暟锛屽嵆鍔犲叆姝ｅ皬鏁拌嚦鏈�杩戞暣鏁?/p>

 

rat(x)

锛氬皢瀹炴暟

x

鍖栦负鍒嗘暟琛ㄧず

 

rats(x)

锛氬皢瀹炴暟

x

鍖栦负澶氶」鍒嗘暟灞曞紑

 

sign(x)

锛氱�﹀彿鍑芥�?/p>

 

(Signum function)

銆?/p>

 

褰?/p>

x<0

鏃讹紝

sign(x)=-1

锛?/p>

 

褰?/p>

x=0

鏃讹紝

sign(x)=0; 

褰?/p>

x>0

鏃讹紝

sign(x)=1

銆?/p>

 

rem(x,y)

锛氭眰

x

闄や互

y

鐨勯��鏁?/p>

 

gcd(x,y)

锛氭暣鏁?/p>

x

鍜?/p>

y

鐨勬渶澶у叕鍥犳暟

 

lcm(x,y)

锛氭暣鏁?/p>

x

鍜?/p>

y

鐨勬渶灏忓叕鍊嶆暟

 

exp(x)

锛氳嚜鐒舵寚鏁?/p>

 

pow2(x)

锛?/p>

2

鐨勬寚鏁?/p>

 

log(x)

锛氫互

e

涓哄簳鐨勫�规暟锛屽嵆鑷�鐒跺�规暟鎴�

 

log2(x)

锛氫互

2

涓哄簳鐨勫�规�?/p>

 

log10(x)

锛氫互

10

涓哄簳鐨勫�规�?/p>

 

浜屻�?/p>

MATLAB

甯哥敤鐨勪笁瑙掑嚱鏁?/p>

 

sin(x)

锛氭�ｅ鸡鍑芥�?/p>

 

cos(x)

锛氫綑寮﹀嚱鏁?/p>