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<b>let </b><font color="Maroon">K</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="rlvect_1.html#L1">LoopStr</a> ;<br/><b>let </b><font color="Maroon">a1</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">K</font>;<br/><b>let </b><font color="Maroon">a2</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">K</font>;<br/>





<b>thus </b><span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><font color="Maroon">a1</font></span><a href="matrix_2.html#K4">*&gt;</a></span> <a href="fvsum_1.html#K8" target="_self">-</a> <span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><font color="Maroon">a2</font></span><a href="matrix_2.html#K4">*&gt;</a></span> = 
<span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="fvsum_1.html#K2" target="_self">diffield</a> <font color="Maroon">K</font></span>)</span> <a href="binop_1.html#K2">.</a> <font color="Maroon">a1</font>,<font color="Maroon">a2</font></span>)</span></span><a href="matrix_2.html#K4">*&gt;</a></span>
<b>by </b><i><a class="ref" href="finseq_2.html#T88">FINSEQ_2:88</a></i>
<br/>.= 
<span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">a1</font> <a href="rlvect_1.html#K6">-</a> <font color="Maroon">a2</font></span>)</span></span><a href="matrix_2.html#K4">*&gt;</a></span>
<b>by </b><i/>
;<br/>


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