Documentation

This is machine translation

Translated by Microsoft
Mouse over text to see original. Click the button below to return to the English verison of the page.

라이선스가 부여된 사용자만 번역 문서를 볼 수 있습니다. 번역 문서를 보려면 로그인하십시오.

deconv

Deconvolution and polynomial division

Syntax

[q,r] = deconv(v,u)

Description

[q,r] = deconv(v,u) deconvolves vector u out of vector v, using long division. The quotient is returned in vector q and the remainder in vector r such that v = conv(u,q)+r .

If u and v are vectors of polynomial coefficients, convolving them is equivalent to multiplying the two polynomials, and deconvolution is polynomial division. The result of dividing v by u is quotient q and remainder r.

Examples

If

u = [1   2   3   4]
v = [10   20   30]

the convolution is

c = conv(u,v)
c =
    10     40     100     160     170     120

Use deconvolution to recover v:

[q,r] = deconv(c,u)
q =
    10    20    30
r =
    0      0      0      0      0      0

This gives a quotient equal to v and a zero remainder.

More About

collapse all

Algorithms

deconv uses the filter primitive.

See Also

|

Introduced before R2006a

Was this topic helpful?