857fe0ebd333bd7a56cd0df3876c3//spork/math.janet#L200">source</a></span> <pre class="binding-text">Epsilon constant</pre></div><hr><div class="binding"><span id="math/expand-m" class="binding-sym">math/expand-m</span> <span class="binding-type">function</span> <span class="binding-type"><a href="https://github.com/janet-lang/spork/blob/7fd743ac09e857fe0ebd333bd7a56cd0df3876c3//spork/math.janet#L1426">source</a></span> <pre class="binding-text">(expand-m n m)

Embeds a matrix `m` inside an identity matrix of 