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Message: <blockquote data-quote="slmega" data-source="post: 6766577" data-attributes="member: 125438">The one you removed is the summery. Actually thats the one you guys need to know. Basically dealing with that matrix. for example length contraction can be derived in two lines, using that matrix.<img src="http://upload.wikimedia.org/math/7/8/1/78195e8f63116bf11b2bbef574fbcc25.png" alt="" class="fr-fic fr-dii fr-draggable " style="" />x(dash,1) = gamma.(x1 - vt), similar is true for x2. So get the difference (which is the length)x(dash,1) - x(dash,2) = gamma(x1 - x2), (because vt cancels) thats length contractions. So simple <img src="/styles/default/xenforo/smilies/default/happy.gif"  class="smilie" loading="lazy" alt=":)" title="Happy    :)" data-shortname=":)" /></blockquote>

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