public function get_interest_rate()
{
$render = new CT1_Render();
$return = $render->get_render_latex($this->obj->explain_interest_rate_for_instalment());
return $return;
}
private function get_explanation_forward($_INPUT)
{
if (isset($_INPUT['forward_start_time']) && isset($_INPUT['forward_end_time'])) {
$frs = $this->obj->get_forward_rates();
// find forward rate
if ($frs->get_count() > 0) {
foreach ($frs->get_objects() as $f) {
if ($f->get_start_time() == $_INPUT['forward_start_time'] && $f->get_end_time() == $_INPUT['forward_end_time']) {
$render = new CT1_Render();
//return $render->get_render_latex( $this->obj->explain_forward_rate( $f ) ) . $this->get_solution_no_detail();
return $render->get_render_latex($this->obj->explain_forward_rate($f));
}
}
}
}
return $this->get_solution_no_detail();
// default result if no matching forward rate found
}
/**
* Get explanation of interest rate that satisfies sought net present value
*
* @param float $v sought net present value
* @return string
*
* @access private
*/
private function get_interest_rate_for_value($v = 0)
{
$render = new CT1_Render();
$return = $render->get_render_latex($this->obj->explain_interest_rate_for_value($v));
return $return;
}
public function get_solution()
{
$render = new CT1_Render();
$return = $render->get_render_latex($this->obj->explain_rate_in_form($this->obj));
return $return;
}
