数据类型
>> 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)%共轭复数ans =3.0000 + 8.0000i
逻辑操作
>> 5==8ans =logical0>> 5~=8%不等于ans =logical1>>
数组
>> x2=1:10x2 =123456789 10>> x3=x2-5x3 =-4 -3 -2 -1012345>> x4=[1,2,3,6,7,8]x4 =123678
逻辑运算
>> (x >-15) &( x>10)ans =logical0>> (x >-15) |( x>10)ans =logical1>> ~( x>10)ans =logical1
异或
>> xor(1,0)ans =logical1>> xor(0,0)ans =logical0
判断是否为零向量或零矩阵
>> x3=[0,0,0]x3 =000>> any(x3)ans =logical0
