function x = asin(x)
%asin for adtayl objects.
[m,n,p] = size(x.tc);
for i=1:m*n
    
    x1.tc= reshape(x.tc(i,:),[1, 1,p]); 
    x1=class(struct('tc',x1.tc),'adtayl');
    asin0 = asin(x1.tc(1,1));
    xx=(1-x1*x1)^0.5;
    dx1 = x1.tc(:,2:end).*(1:p-1);       
    y = filter( 1,xx.tc,dx1)./(1:p-1);
    xx1.tc(i,:)=[asin0 y]; 
   
 end

x.tc = reshape(xx1.tc, m,n,p);