Scilab Wavelet Toolbox Function
Last update : June 2007

idwt - Inverse Discrete Fast Wavelet Transform

Calling Sequence

X=idwt(cA,cD,wname,[L])
X=idwt(cA,cD,Lo_R,Hi_R,[L])

Parameters

Description

idwt is for inverse discrete fast wavelet transform. Coefficent could be void vector as '[]' for cA or cD.

Examples

  x=rand(1,100);
  [cA,cD]=dwt(x,'db2','mode','asymh');
  x0=idwt(cA,cD,'db2',100);
 

Author

Roger Liu and Isaac Zhi

See Also

dwt ,