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Sign MATLAB
This MATLAB function returns an array Y the same size as x, where each element of Y is: 1 if the corresponding element of x is greater than 0.
sign( z ) returns the sign of real or complex value z . The sign of a complex number z is defined as z/abs(z) . If z is a vector or a matrix, sign(z) ...
This MATLAB function returns an array c the same size as a, where each element of c is: 1 if the corresponding element of a is greater than 0.
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Y = sign(X) returns an array Y the same size as X , where each element of Y is: 1 if the corresponding element of X is greater than zero; 0 if the corresponding ...
Y = sign(X) returns an array Y the same size as X , where each element of Y is: 1 if the corresponding element of X is greater than zero; 0 if the corresponding ...
2018年9月11日sign本身就有就有符号标志之意.故sign为符号函数! sign(整数)=1; sign(负数)=-1; sign(零)=0; matlab运行例子:
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1 if the corresponding element of x is greater than 0 . · 0 if the corresponding element of x equals 0 . · -1 if the corresponding element of x is less than 0 .
2018年8月9日在MATLAB科学计算过程当中,我们经常需要对我们的计算公式或者计算结果检验其符号,,sign函数就给我们提供了这种方便,下面就通过实例介绍一下matlab ...

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