|
m |
| (Není zobrazeno 13 mezilehlých verzí.) |
| Řádka 1: |
Řádka 1: |
| | <font color="blue" size=5><b>Funkcia ATAN2(x;y)</b></font><br><br> | | <font color="blue" size=5><b>Funkcia ATAN2(x;y)</b></font><br><br> |
| - | <hr>
| |
| - |
| |
| - | <h4><font color="tomato">Čo je ATAN2</font></h4>
| |
| - | <p>Arkus tangens je cyklometrická funkcia. Ide o inverznú funkciu ku goniometrickej funkcii tangens.</p>
| |
| | <hr> | | <hr> |
| | | | |
| Řádka 13: |
Řádka 9: |
| | <p><font color="teal" size=4><b> | | <p><font color="teal" size=4><b> |
| | =ATAN2(x;y)<br> | | =ATAN2(x;y)<br> |
| - | =ATAN(názov bunky1;názov bunky2)</b></font></p> | + | =ATAN2(názov bunky1;názov bunky2)</b></font></p> |
| | <hr> | | <hr> |
| | | | |
| | <h4><font color="tomato">Príklad</font></h4> | | <h4><font color="tomato">Príklad</font></h4> |
| - | Majme dané súradnice x=4 a y=2 viz obrázok:[[soubor:atan2wiki.png]] | + | Majme dané súradnice x=4 a y=2: [[soubor:atan2wiki.png]] |
| - | | + | <br> |
| | + | <br> |
| | + | Potom uhol <b>ß</b> medzi priamkou <b>p<sub>1</sub></b> a osou <b>x</b> je: |
| | | | |
| - | <table border=1> | + | <table border=1 width=100%> |
| | <tr align="center"> | | <tr align="center"> |
| - | <td width=30></td> | + | <td width=5%></td> |
| - | <td bgcolor="lightgrey">A</td> | + | <td bgcolor="lightgrey" width=15%>A</td> |
| - | <td bgcolor="lightgrey">B</td> | + | <td bgcolor="lightgrey" width=15%>B</td> |
| - | <td bgcolor="lightgrey">C</td> | + | <td bgcolor="lightgrey" width=30%>C</td> |
| | + | <td bgcolor="lightgrey">D</td> |
| | + | <td bgcolor="lightgrey">E</td> |
| | </tr> | | </tr> |
| | <tr> | | <tr> |
| Řádka 31: |
Řádka 31: |
| | <td width=60 align="center" bgcolor="aquamarine"><b>Súradnica x</b></td> | | <td width=60 align="center" bgcolor="aquamarine"><b>Súradnica x</b></td> |
| | <td width=120 align="center" bgcolor="aquamarine"><b>Súradnica y</b></td> | | <td width=120 align="center" bgcolor="aquamarine"><b>Súradnica y</b></td> |
| | + | <td width=60 align="center" bgcolor="aquamarine"><b>Vzorec</b></td> |
| | <td width=60 align="center" bgcolor="aquamarine"><b>Výsledok</b></td> | | <td width=60 align="center" bgcolor="aquamarine"><b>Výsledok</b></td> |
| | + | <td width=60 align="center" bgcolor="aquamarine"><b>Poznámka</b></td> |
| | </tr> | | </tr> |
| | <tr> | | <tr> |
| | <td align="center" bgcolor="lightgrey">2</td> | | <td align="center" bgcolor="lightgrey">2</td> |
| - | <td align="right">-100</td> | + | <td align="right">4</td> |
| - | <td>=ATAN(A2)</td> | + | <td align="right">2</td> |
| - | <td align="right">-1,5608</td> | + | <td>=ATAN2(A2;B2)</td> |
| | + | <td align="right">0,4636</td> |
| | + | <td align="left">Výsledok v radiánoch</td> |
| | </tr> | | </tr> |
| | <tr> | | <tr> |
| | <td align="center" bgcolor="lightgrey">3</td> | | <td align="center" bgcolor="lightgrey">3</td> |
| - | <td align="right">0</td> | + | <td align="right">4</td> |
| - | <td>=ATAN(A3)</td>
| + | <td align="right">2</td> |
| - | <td align="right">0</td> | + | <td>=[[Matematická funkcia - DEGREES|DEGREES]](ATAN2(A3;B3))</td> |
| - | </tr>
| + | <td align="right">26,5651</td> |
| - | <tr>
| + | <td align="left">Výsledok v stupňoch</td> |
| - | <td align="center" bgcolor="lightgrey">4</td> | + | |
| - | <td align="right">100</td> | + | |
| - | <td>=ATAN(A4)</td>
| + | |
| - | <td align="right">1,5608</td> | + | |
| - | </tr>
| + | |
| | </table> | | </table> |
| - | <br> | + | <p>Presnejšie by to bolo <b>≈ 26° 33´ 54,18´´</b></p> |
| | <hr> | | <hr> |
| | <h4><font color="tomato">Odkazy</font></h4> | | <h4><font color="tomato">Odkazy</font></h4> |
Vráti arkus tangens zadaných súradníc (v radiánoch), to znamená uhol, medzi vodorovnou osou X a priamkou prechádzajúcou bodmi (0,0) a (x,y).
