數據類型

>> x=-12.289014>> y1=uint32(x)y1 =uint320>> y2=int32(x)y2 =int32>> y3=single(x)>> y3 =single-12.2890>>y4 =-12.2890>> y4=double(x)y4 =-12.2890>> y5=floor(x)y5 =-13>> y6=ceil(x)y6 =-12>> x1=3-8ix1 =3.0000 - 8.0000i>> real(x1)ans =3>> imag(x1)ans =-8>> x1+xans =-9.2890 - 8.0000i>> abs(x1)%模ans =8.5440 >> complex(12,-9)ans =12.0000 - 9.0000i>> conj(x1)%共軛復數ans =3.0000 + 8.0000i

邏輯操作

>> 5==8ans =logical0>> 5~=8%不等于ans =logical1>>

數組

>> x2=1:10x2 =1 2 3 4 5 6 7 8 9 10>> x3=x2-5x3 =-4 -3 -2 -1 0 1 2 3 4 5>> x4=[1,2,3,6,7,8]x4 =1 2 3 6 7 8

邏輯運算

>> (x >-15) &( x>10)ans =logical0>> (x >-15) |( x>10)ans =logical1>> ~( x>10)ans =logical1

異或

>> xor(1,0)ans =logical1>> xor(0,0)ans =logical0

判斷是否為零向量或零矩陣

>> x3=[0,0,0]x3 =0 0 0>> any(x3)ans =logical0

總結

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