csch.m

来自「计算动力学系统的分岔图」· M 代码 · 共 18 行

function x = csch(x)
% csch for adtayl objects.


if ~isreal(x.tc)
  error('X for adtayl objects must not have imaginary part')
end
  
[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');
    y= 2/(exp(x1)-exp(-x1));    
    xx1.tc(i,:)=y.tc;
   
 end
x.tc = reshape(xx1.tc, m,n,p);