nseMatrix</span>[<span data-unresolved-link="">Double</span>]</span></div><div class="docs"><span class="modifiers"></span><div><div class="originInfo"></div><div class="memberDocumentation"><div class="documentableBrief doc"><p>Backsolve an upper-triangular linear system
with multiple RHSs</p>
</div><div class="cover"><div class="doc"><p>Backsolve an upper-triangular linear system
with multiple RHSs</p>
</div><dl class="attributes"><dt>Value Params</dt><dd><dl class="attributes"><dt>A</dt><dd><p>An upper-t