Solve equations with substitution method: Difference between revisions
Solve equations with substitution method (view source)
Revision as of 12:16, 10 November 2021
, 2 years ago→{{header|Phix}}: added translation of Raku version
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<pre>
{{-1,3,1},{-19,2,-3}} ==> x = -2, y = 5
</pre>
Alternatively, since I'm staring right at it, here's a
{{trans|Raku}}
<!--<lang Phix>(phixonline)-->
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">solve2</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">e1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">e2</span><span style="color: #0000FF;">)</span>
<span style="color: #004080;">atom</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">a1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">b1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">c1</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">e1</span><span style="color: #0000FF;">,</span>
<span style="color: #0000FF;">{</span><span style="color: #000000;">a2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">b2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">c2</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">e2</span><span style="color: #0000FF;">,</span>
<span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">b2</span><span style="color: #0000FF;">*</span><span style="color: #000000;">c1</span> <span style="color: #0000FF;">-</span> <span style="color: #000000;">b1</span><span style="color: #0000FF;">*</span><span style="color: #000000;">c2</span><span style="color: #0000FF;">)</span>
<span style="color: #0000FF;">/</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">b2</span><span style="color: #0000FF;">*</span><span style="color: #000000;">a1</span> <span style="color: #0000FF;">-</span> <span style="color: #000000;">b1</span><span style="color: #0000FF;">*</span><span style="color: #000000;">a2</span><span style="color: #0000FF;">),</span>
<span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">a1</span><span style="color: #0000FF;">*</span><span style="color: #000000;">x</span> <span style="color: #0000FF;">-</span> <span style="color: #000000;">c1</span><span style="color: #0000FF;">)/-</span><span style="color: #000000;">b1</span><span style="color: #0000FF;">;</span>
<span style="color: #008080;">return</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">x</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">}</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"x = %d, y = %d\n"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">solve2</span><span style="color: #0000FF;">({</span><span style="color: #000000;">3</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">},{</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,-</span><span style="color: #000000;">3</span><span style="color: #0000FF;">,-</span><span style="color: #000000;">19</span><span style="color: #0000FF;">}))</span>
<!--</lang>-->
{{out}}
<pre>
x = -2, y = 5
</pre>
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