s/mathjax/2.7.2/MathJax.js?config=MML_CHTML"></script> </head><body>
<h2 class="standard" id="example">
 <div class="sec_name">Example program for zgtsv</div>
</h2>
<div class="paramtext">This example solves the equations

<div class="formula"><table class="formula"><tr><td class="formula"><math display="block">
<mi>A</mi><mi>x</mi><mo>=</mo><mi>b</mi>
 <mtext>,</mtext>
</math></td><td class="formula2">&#xa0;</td></tr></table></div>

where <math>
 <mi>A</mi>
</math>&#xa0;is the tridiagonal matrix

<div clas