Find the intersection of two lines: Difference between revisions
Find the intersection of two lines (view source)
Revision as of 21:15, 10 January 2024
, 5 months agoadded RPL
m (→{{header|Wren}}: Changed to Wren S/H) |
(added RPL) |
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Line 2,506:
ycd=5
intersection: 5,5
</pre>
=={{header|RPL}}==
{{works with|HP|48}}
« C→R ROT C→R ROT →V2
SWAP 1 4 ROLL 1 { 2 2 } →ARRY /
» '<span style="color:blue">→LINECOEFF</span>' STO
« <span style="color:blue">→LINECOEFF</span> ROT ROT <span style="color:blue">→LINECOEFF</span> OVER -
ARRY→ DROP NEG SWAP /
DUP2 * 1 GET ROT 2 GET + R→C
» '<span style="color:blue">INTERSECT</span>' STO
Latest versions of RPL have powerful equation handling and solving functions:
{{works with|HP|49}}
« DROITE UNROT DROITE OVER -
'X' SOLVE DUP EQ→ NIP
UNROT SUBST EQ→ NIP COLLECT R→C
» '<span style="color:blue">INTERSECT</span>' STO
(4,0) (6,10) (0,3) (10,7) <span style="color:blue">INTERSECT</span>
{{out}}
<pre>
1: (5,5)
</pre>
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