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<span><span><span class="hljs-meta"><?php</span></span><span>
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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"Bienvenue à lire cet article，Cet article discutera en profondeur PHP Application des fonctions mathématiques。"</span></span><span>;
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<h1>Comment combiner <code>acoshCela signifie que dans PHP, vous pouvez obtenir directement les résultats via acosh () ou le calculer vous-même en utilisant log () :
<span><span>$ x</span></span> <span>=</span> <span><span>2,5</span></span> <span>; </span><span><span>$ acosh_value</span></span> <span>=</span> <span><span class="function_ invoke__">acosh</span></span> <span>(</span> <span><span>$ x</span></span> <span>); </span><span><span>$ log_value</span></span> <span>=</span> <span><span class="function_ invoke__">log</span></span> <span>(</span> <span><span>$ x</span></span> <span>+</span> <span><span class="function_ invoke__">sqrt</span></span> <span>(</span> <span><span>$ x</span></span> <span>*</span> <span><span>$ x</span></span> <span>-</span> <span><span>1</span></span> <span>)); </span><span><span>écho</span></span><span> </span><span><span>$ acosh_value</span></span> <span>===</span> <span><span>$ log_value</span></span> <span>?</span> <span><span>"Égal"</span></span> <span>:</span> <span><span>"inégal"</span></span> <span>; </span><h2><span><span>2.</span></span> <span>Exemples de scénario d'utilisation combinée</span><p> Supposons que vous fassiez une simulation physique et que vous deviez calculer la valeur de la distance de décroissance exponentielle liée au cosinus hyperbolique inverse, vous pouvez l'écrire comme ceci:</p><pre> <span><span>$ Distance</span></span> <span>=</span> <span><span>3,0</span></span> <span>; </span><span><span>$ Decay_factor</span></span> <span>=</span> <span><span>0,5</span></span> <span>; </span><span><span>// Utilisez Acosh pour calculer les paramètres</span></span><span> </span><span><span>$ result_acosh</span></span> <span>=</span> <span><span class="function_ invoke__">acosh</span></span> <span>(</span> <span><span>$ Distance</span></span> <span>/</span> <span><span>$ Decay_factor</span></span> <span>); </span><span><span>// ou utiliser le journal pour le calculer vous-même</span></span><span> </span><span><span>$ result_log</span></span> <span>=</span> <span><span class="function_ invoke__">log</span></span> <span>((</span> <span><span>$ Distance</span></span> <span>/</span> <span><span>$ Decay_factor</span></span> <span>) +</span> <span><span class="function_ invoke__">sqrt</span></span> <span>(</span> <span><span class="function_ invoke__">POW</span></span> <span>(</span> <span><span>$ Distance</span></span> <span>/</span> <span><span>$ Decay_factor</span></span> <span>,</span> <span><span>2</span></span> <span>) -</span> <span><span>1</span></span> <span>)); </span><span><span>écho</span></span><span> </span><span><span>"Résultat de calcul acosh: <span>$ result_acosh</span></span></span> <span>\ n"; </span><span><span>écho</span></span><span> </span><span><span>"Résultat du calcul du journal: <span>$ result_log</span></span></span> <span>\ n"; </span><p>De cette façon, vous pouvez non seulement comprendre l'application des formules mathématiques dans le code, mais également utiliser PHP pour effectuer des calculs plus complexes dans le développement réel.</p><h2> <span><span>3.</span></span> <span>Combinaison imbriquée et information d'ordre avancé</span><p> Dans certaines applications avancées, <span class="fun">acosh ()</span> et <span class="fun"><a href="/fr/php/log .html" target="_blank">log ()</a></span> peuvent être utilisés en combinaison avec d'autres fonctions mathématiques, telles que <span class="fun"><a href="/fr/php/sqrt .html" target="_blank">SQRT ()</a></span> , <span class="fun"><a href="/fr/php/pow .html" target="_blank">POW ()</a></span> ou <span class="fun"><a href="/fr/php/sin .html" target="_blank">Sin ()</a></span> , pour mettre en œuvre des calculs de formule plus complexes:</p><pre> <span><span>$ valeur</span></span> <span>=</span> <span><span>5,0</span></span> <span>; </span><span><span>// Calculez une formule complexe: ln (acosh (valeur) + sqrt (acosh (valeur) ^ 2 + 1))</span></span><span> </span><span><span>$ complex_result</span></span> <span>=</span> <span><span class="function_ invoke__">log</span></span> <span>(</span> <span><span class="function_ invoke__">acosh</span></span> <span>(</span> <span><span>$ value</span></span> <span>) +</span> <span><span class="function_ invoke__">sqrt</span></span> <span>(</span> <span><span class="function_ invoke__">POW</span></span> <span>(</span> <span><span class="function_ invoke__">acosh</span></span> <span>(</span> <span><span>$ value</span></span> <span>),</span> <span><span>2</span></span> <span>) +</span> <span><span>1</span></span> <span>)); </span><span><span>écho</span></span><span> </span><span><span>"Résultat de calcul complexe: <span>$ complex_result</span></span></span> <span>\ n"; </span><p>Cette méthode est très utile dans l'analyse des données, le calcul d'ingénierie ou la simulation scientifique, et peut aider les développeurs à mettre en œuvre de nombreux modèles mathématiques avec PHP.</p> <span><span><?php</span></span><span> </span><span><span>// Exemple de contenu sans pertinence à la fin de l'article</span></span><span> </span><span><span>écho</span></span><span> </span>" <span><span>\</span></span> <span><span>n</span></span> <span>---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span><span> </span><span><span>"Cet article se termine, merci d'avoir lu."</span></span> <span>;</span> <span><span>?></span></span><span> </span></span></div></div>
