# File diffeq.rb, line 16
def half_jump_y
order = 1
while order >= 1  do 
term_no = $max_taylor - 1
while term_no >= 1 - order + 1  do 
term_no_adj = $h/ap_int(term_no)
$y_higher[order][term_no+1] = $y_higher[order+1][term_no]*term_no_adj
term_no -= 1
end
order -= 1
end
end