Inverse Discrete Fast Wavelet Transform
X=idwt(cA,cD,wname,[L]) X=idwt(cA,cD,Lo_R,Hi_R,[L])
idwt is for inverse discrete fast wavelet transform. Coefficent could be void vector as '[]' for cA or cD.
x=rand(1,100); [cA,cD]=dwt(x,'db2','mode','asymh'); x0=idwt(cA,cD,'db2',100);
Roger Liu and Isaac Zhi