https://math.codidact.com/categories/41/tags/5764.rssNew Posts Tagged 'equation' - MathematicsMathematics - Codidact2022-08-24T17:15:04Zhttps://math.codidact.com/posts/286926Inhomogenous differential equations in sciencesMissMulanhttps://math.codidact.com/users/541072022-08-24T17:14:46Z2022-08-24T17:15:04Z<p>A first order inhomogenous differential equation is :</p>
<p>$$ \frac{dy}{dx}+p(x)y(x) = q(x)$$</p>
<p>with $$ q(x)\neq0$$</p>
<p>I like studying applied math but I dont like pure math so im ...https://math.codidact.com/posts/286292Why does the Dottie number $=\sqrt{1-\left(2\text I^{-1}_\frac12\left(\frac12,\frac32\right)-1\right)^2}$?Tyma Gaidashhttps://math.codidact.com/users/565582022-04-22T04:26:17Z2022-04-22T04:37:45Z<p><strong>Introduction:</strong></p>
<p>For some background information on the <a href="https://en.m.wikipedia.org/wiki/Dottie_number"><strong>Dottie Number D</strong></a>,</p>
<p>Cross posted f...https://math.codidact.com/posts/286130How can I justify whether I'm able to apply the Gaussian elimination method to this system?dumplingshttps://math.codidact.com/users/547102022-03-20T11:01:16Z2022-03-21T12:15:58Z<p>I'm currently practicing some Gaussian elimination questions for my discrete math topic, I came across this question and I need help. How can I justify whether I'm able to apply the Gaussian eli...https://math.codidact.com/posts/285753Missing a solution: Are A and B always equal if A-B=0re89jhttps://math.codidact.com/users/553482022-01-30T23:10:46Z2022-01-31T09:01:14Z<p>I just came across this problem on an online learning app:</p>
<p>4x(5−x)−12(5−x)+100=100</p>
<p>I tried to solve it by subtracting 100 from each side then inferring if something minus somethi...https://math.codidact.com/posts/284723Can we add without using addition?General Sebast1anhttps://math.codidact.com/users/541142021-10-29T18:24:39Z2021-12-01T22:16:40Z<p>Is there a formula that applies $a + b = c$ without addition. I tried many times to make such equation.</p>
<p>Here's what I have in mind, we get 2 values, call them $a$ and $b$. The objective ...https://math.codidact.com/posts/283945What're the orders for equation expressing?General Sebast1anhttps://math.codidact.com/users/541142021-09-02T23:59:30Z2021-09-03T04:28:09Z<p>When doing an equation in programming or real calculations, equation expression takes in a specific order. In a single equation, I use the PEMDAS/GEMDAS order, which goes:</p>
<ul>
<li>Perform...