新型神经网络可以用快1亿倍速度解决"三体问题"
<p><span word="The">The</span> <span word="three">three</span>-<span word="body">body</span> <span word="problem">problem</span>, <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="most">most</span> <span word="notoriously">notoriously</span> <span word="complex">complex</span> <span word="calculations">calculations</span> <span word="in">in</span> <span word="physics">physics</span>, <span word="may">may</span> <span word="have">have</span> <span word="met">met</span> <span word="its">its</span> <span word="match">match</span> <span word="in">in</span> <span word="artificial">artificial</span> <span word="intelligence">intelligence</span>: <span word="a">a</span> <span word="new">new</span> <span word="neural">neural</span> <span word="network">network</span> <span word="promises">promises</span> <span word="to">to</span> <span word="find">find</span> <span word="solutions">solutions</span> <span word="up">up</span> <span word="to">to</span> 100 <span word="million">million</span> <span word="times">times</span> <span word="faster">faster</span> <span word="than">than</span> <span word="existing">existing</span> <span word="techniques">techniques</span>.</p><p>三体问题是物理学中最复杂的计算题之一，但它在人工智能领域可能遇到了对手：一种新型神经网络有望以比现有技术快1亿倍的速度找出其解决方案。</p><p><span word="First">First</span> <span word="formulated">formulated</span> <span word="by">by</span> <span word="Sir">Sir</span> <span word="Isaac">Isaac</span> <span word="Newton">Newton</span>, <span word="the">the</span> <span word="three">three</span>-<span word="body">body</span> <span word="problem">problem</span> <span word="involves">involves</span> <span word="calculating">calculating</span> <span word="the">the</span> <span word="movement">movement</span> <span word="of">of</span> <span word="three">three</span> <span word="gravitationally">gravitationally</span> <span word="interacting">interacting</span> <span word="bodies">bodies</span> – <span word="such">such</span> <span word="as">as</span> <span word="the">the</span> <span word="Earth">Earth</span>, <span word="the">the</span> <span word="Moon">Moon</span>, <span word="and">and</span> <span word="the">the</span> <span word="Sun">Sun</span>, <span word="for">for</span> <span word="example">example</span> – <span word="given">given</span> <span word="their">their</span> <span word="initial">initial</span> <span word="positions">positions</span> <span word="and">and</span> <span word="velocities">velocities</span>.</p><p>三体问题是由艾萨克·牛顿爵士最先提出的，它指的是已知三个物体最初的位置和速度，计算它们在相互之间万有引力作用下的运动规律，例如地球、月球和太阳。</p>
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