logspace()在matlab幫助里的英文注釋是這樣的：

logspaceGenerate

logarithmically spaced vectors

Syntax

y = logspace(a,b)

y = logspace(a,b,n)

y = logspace(a,pi)

Description

The logspace function generates logarithmically spaced

vectors. Especially useful for creating frequency vectors, it is a

logarithmic equivalent of linspace and the ":" or colon

operator.

y = logspace(a,b) generates a row vector y of 50

logarithmically spaced points between decades 10^a and

10^b.

y = logspace(a,b,n) generates n points between decades

10^a and 10^b.

y = logspace(a,pi) generates the points between 10^a and

pi, which is useful for digital signal processing where frequencies

over this interval go around the unit circle.

Remarks

All the arguments to logspace must be scalars.

翻譯成漢語是?

logspace函數(shù)生成對數(shù)間隔向量

?語句用法

y = logspace(a,b)

y = logspace(a,b,n)

y = logspace(a,pi)

用法詳細(xì)描述?

?LOGSPACE函數(shù)生成對數(shù)間隔向量。而且在產(chǎn)生頻率向量時格外有用，相當(dāng)于是個對數(shù)形式的linspace函數(shù)

?y = logspace(a,b)

生成一個在10^a到10^b之間個數(shù)為50的對數(shù)行向量。?

y = logspace(a,b,n)?生成一個在10^a到10^b之間個數(shù)為n的對數(shù)行向量。

eg：logspace(0，1，10)生成的序列是?1.0000

1.2915

1.6681

2.1544

2.7826

3.5938

4.6416

5.99487.7426

10.0000 ? (即 10^0

10^(1/9) ?........

10^(8/9) ?10^(9/9))

?y =

logspace(a,pi) (該函數(shù)目前不太清楚，希望可以叫和大家共同交流)

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