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- 15:32, 1 April 2024 Rice talk contribs created page Instructions (Computer Science) (Created page with "A computer needs 1 instruction to run (OISC with subleq). It's possible but not fun. Category:Computer Architecture") Tag: Visual edit
- 17:24, 20 March 2024 Rice talk contribs created page BFS (Created page with "{{Infobox Algorithm|runtime=O(V+E)|class=Graph Algorithm}} '''Breadth-first search (BFS)''' is a graph traversal algorithm. = Approach = At the core of BFS is a ''priority queue'' of unvisited nodes''.'' # At the start, the source node has a distance of 0, whereas the rest has infinite distance. The source node is pushed into the queue. # The queue is popped as the first node in the queue is visited. # Upon visiting a node, if the node's distance is infinity (i.e....") Tag: Visual edit
- 05:19, 20 March 2024 Rice talk contribs created page Graph Algorithms (Created page with "A '''graph''' is a set of vertices and a set of edges connecting those vertices. Graph algorithms solve problems relating to graphs. Notable examples include traversal and shortest path.") Tag: Visual edit
- 05:42, 19 March 2024 Rice talk contribs created page Probability (Created page with "Category:Sample Statistics A '''population parameter''' is the value of a statistic based on population data. This is almost always not measurable. A '''sample statistic''' is the value of a statistic based on sample data. We use sample statistics to estimate population parameters. = Experiment = An '''experiment''' is a process that results in a random outcome") Tag: Visual edit
- 00:24, 19 March 2024 Rice talk contribs created page Distribution (Statistics) (Created page with "The Category:Statistics")
- 23:53, 18 March 2024 Rice talk contribs created page Summary Statistics (Created page with "When we investigate a variable in a dataset, two things are great at ''summarizing'' the dataset: the ''center'' and the ''spread''. = Measuring Center = There are two ways to measure center: the mean and the median. == Mean == The '''mean''' is the average/expected value of a variable. The sample mean is denoted as <math>\bar{X}</math>, whereas the population mean is denoted as <math>\mu_X</math>. <math> \bar{X} = \frac{1}{n} \sum x_i </ma...")
- 23:33, 18 March 2024 Rice talk contribs created page Variable (Statistics) (Created page with "In statistics, a '''variable''' is a characteristic of a subject that varies in a ''non-random'' way. = Overview and Related Definitions = At the top level of statistics, we investigate a '''population''': a set of units that we are interested in studying. Populations are almost always impossible to study due to their massive size and other constraints. Therefore, we take a '''sample''': a subset of the population. A '''subject''' is a unit that we study in a popula...")
- 18:28, 18 March 2024 Rice talk contribs created page File:Regression Effect Scatter Plot.png
- 18:28, 18 March 2024 Rice talk contribs uploaded File:Regression Effect Scatter Plot.png
- 17:49, 18 March 2024 Rice talk contribs created page File:Bivariate Normal Example Scatterplot.png
- 17:49, 18 March 2024 Rice talk contribs uploaded File:Bivariate Normal Example Scatterplot.png
- 17:43, 18 March 2024 Rice talk contribs created page Two Numerical RVs (Created page with "Consider two numerica random variables <math>X</math> and <math>Y</math>. We can measure their ''covariance''. <math>Cov(X, Y)</math> The '''correlation''' of two random variables measures the '''line dependent''' between <math>X</math> and <math>Y</math> <math> Cor(X, Y) = \rho = \frac{Cov(X,Y)}{sd(X) sd(Y)} </math>")
- 01:56, 16 March 2024 Rice talk contribs created page Proportion Estimation (Created blank page)
- 00:31, 13 March 2024 Rice talk contribs created page Complexity Theory (Created page with "There exists problems that cannot be solved fast. '''Complexity theory''' is the classification of problems into ''classes''. * P: Set of problems for which exists an algorithm that solves it in poly time O(n^k). * NP: Set of problems for which there exists an algorithm that verifies the solution in poly time = Independent Set Problem = Consider a graph G(V,E). Find the largest set of vertices such that they do not share edges. == Approach: Brute Force == For all po...")
- 01:37, 12 March 2024 Rice talk contribs created page Sampling Distribution (Created page with "= Sampling distribution = Let there be <math>Y_1, Y_2, \ldots, Y_n </math>, where each <math>Y_i</math> is a randomv variable from the population. Every Y have the same mean and distribution that we don't know. <math> E(Y_i) = \mu, Var(Y_i) = \sigma^2 </math> We then have the sample mean <math> \bar{Y} = \frac{1}{n} \sum_{i = 1}^n Y_i </math> The sample mean is expected to be <math>\mu</math> through a pretty easy direct proof The variance of the sample mean is <ma...")
- 01:36, 12 March 2024 Rice talk contribs created page Category:Sample Statistics (Created page with "A population has parameters that characterizes it: <math>\mu, \sigma, \rho, p</math>, distribution. These parameters are unmeasurable, since population is usually huge. The point of '''sample statistics''' is to estimate parameters with sample characteristics: <math>\bar{X}, \hat{\mu}, \hat{\sigma}, s, \hat{\rho}, r, \hat{p}</math>. We also want to know how well our estimation is. Category:Statistics")
- 01:35, 12 March 2024 Rice talk contribs created page Hypothesis Test (Created page with "= Comparing Means: Hypothesis Test = When comparing means, a technique called '''hypothesis test''' is used. This applies to other things, but in this context, we use two hypotheses. Hypothesis test is a technique where sample data is used to determine if the confidence interval supports a particular claim. Hypothesis tests quantify how likely our data is given a particular claim. == Procedure == First, we need two things: * The '''null hypothesis <math>H_0</math>''...")
- 20:36, 11 March 2024 Rice talk contribs created page First Order Circuit (Created page with "= RL Circuit = == Energy Conservation == As current increases, work done by the battery is not the same as the energy dissipated by the resistor. The remaining energy, <math> L/2 I^2 </math> is ''stored'' in the form of magnetic field inside the inductor. Substituting inductance and factoring out volume, we eventually get energy density <math> \frac{B^2}{2 \mu_0} </math>")
- 05:35, 9 March 2024 Rice talk contribs created page File:Z score table.png
- 05:35, 9 March 2024 Rice talk contribs uploaded File:Z score table.png
- 05:03, 9 March 2024 Rice talk contribs created page File:T distribution table.png
- 05:03, 9 March 2024 Rice talk contribs uploaded File:T distribution table.png
- 11:21, 8 March 2024 Rice talk contribs created page File:Equations for Analyzing the Step Response of Parallel RLC Circuits.png
- 11:21, 8 March 2024 Rice talk contribs uploaded File:Equations for Analyzing the Step Response of Parallel RLC Circuits.png
- 10:56, 8 March 2024 Rice talk contribs created page File:Equations for Analyzing the Step Response of Series RLC Circuits.png
- 10:56, 8 March 2024 Rice talk contribs uploaded File:Equations for Analyzing the Step Response of Series RLC Circuits.png
- 07:17, 8 March 2024 Rice talk contribs created page Circuit Element (Created page with "A circuit element is a basic unit that has certain rules governing the relationship of voltage across and current through that element beyond the simple conducting wire. There are five ideal basic circuit elements: * voltage source * current source * resistor * capacitor * inductor There will be no proofs for the equations here. That's a physics thing that probably deserve their own page. ==== Ideal ==== This page will focus on '''ideal''' circuit elements. The real...") Tag: Visual edit: Switched
- 06:52, 8 March 2024 Rice talk contribs created page File:Parallel Unforced RLC Circuit.png
- 06:52, 8 March 2024 Rice talk contribs uploaded File:Parallel Unforced RLC Circuit.png
- 02:14, 8 March 2024 Rice talk contribs created page Kruskal's Algorithm (Created page with "= Approach = Select edges in order of smallest to largest, using disjoint-sets to prevent cycles.")
- 01:08, 8 March 2024 Rice talk contribs created page Dijstra's Algorithm (Created page with "= Implementation = <pre> Dijstra(G, w, source) { } </pre>") Tag: Visual edit
- 23:43, 7 March 2024 Rice talk contribs created page Session Management (Created page with "Category:Cybersecurity")
- 23:38, 7 March 2024 Rice talk contribs created page JSON Web Token (Created page with "'''JSON Web Token''' (JWT) allows client to indicate its identity for further exchanges after authentication. * It is compact and self-contained * It can be signed with a secret (HMAC) or a public/private key pair (RSA) It looks something like this<pre> [Base64(HEADER)].[Base64(PAYLOAD)].[Base64(SIGNATURE)] </pre><pre> eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9. eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9. TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ...") Tag: Visual edit
- 02:00, 6 March 2024 Rice talk contribs created page Rice Wiki:About (Created page with "Hi.")
- 01:38, 6 March 2024 Rice talk contribs created page Prims Algorithm (Created page with " Category:Algorithms")
- 00:46, 6 March 2024 Rice talk contribs created page Minimum Spanning Tree (Created page with "Category:Algorithms")
- 00:12, 6 March 2024 Rice talk contribs created page Dijkstra's Algorithm (Created page with "Category:Algorithms Problem: Shortest Path Problem.") Tag: Visual edit: Switched
- 23:58, 5 March 2024 Rice talk contribs created page Bellman-Ford Algorithm (Created page with "Category:Algorithms = Approach: dynamic programming = All shortest path must have <math> \leq |V| - 1 </math> edges. If this condition is not satisfied, there is a cycle in in the path, and therefore it is not the shortest. ==== Recurrence ==== Let OPT(n-1, a) be the length of the shortest path from source node <math>s</math> to node <math>a</math> with at most <math>n - 1</math> edges. The idea is to add one edge at a time, seeing if the edge should be included i...") Tag: Visual edit
- 23:33, 5 March 2024 Rice talk contribs created page Template:Infobox Algorithm/doc (Created page with " <templatedata> { "description": "Infobox for computer algorithms", "params": { "title": { "label": "Algorithm name", "description": "Name of the algorithm appearing above the infobox", "default": "Page name" }, "runtime": { "label": "Runtime complexity" }, "space": { "label": "Space complexity" }, "class": { "label": "Algorithm classifi...")
- 23:13, 5 March 2024 Rice talk contribs created page Template:Infobox Algorithm (Created page with "<infobox layout="stacked"> <title source="title"> <default>{{PAGENAME}}</default> </title> <data source="runtime"> <label>Runtime</label> <default>O(n)</default> </data> <data source="space"> <label>Space</label> <default>O(n)</default> </data> <data source="class"> <label>Class</label> </data> </infobox> Category:Algorithms")
- 22:27, 5 March 2024 Rice talk contribs created page Test Page (Created page with " Category:Contents") Tag: Visual edit: Switched
- 03:25, 5 March 2024 Rice talk contribs created page Category:Pages with math errors (Created page with "Pages with math errors") Tag: Visual edit
- 03:23, 5 March 2024 Rice talk contribs created page Category:Computer Science (Created page with "Computer Science") Tag: Visual edit
- 03:21, 5 March 2024 Rice talk contribs created page Category:Cybersecurity (Created page with "Category:Computer Science") Tag: Visual edit
- 22:36, 4 March 2024 Rice talk contribs created page Authentication (Created page with "= Sources = * [https://owasp.org/Top10/A07_2021-Identification_and_Authentication_Failures/ OWASP Top10 2021 A07 Identification and Authentication Failures]") Tag: Visual edit
- 21:53, 4 March 2024 Rice talk contribs created page Electromagnetism (Created page with "Ampere's law can be proven with Biot Savart Law. It has an addition that doesn't mean much when the electric field is produced by a static charge. Coulomb's law describes that '''charges produce electric fields, influencing charges''' Integrating that electric field over a loop equals zero. Biot Svart's law describes that '''moving charges produce magnetic fields'','' influencing moving charges.''' There is a problem! Somehow, changing magnetic fields causes electron...") Tag: Visual edit
- 20:38, 4 March 2024 Rice talk contribs created page Talk:Main Page (Test topic: new section)
- 18:49, 4 March 2024 Rice talk contribs created page Sample Statistics (Created page with "= Confidence Interval = The '''confidence interval''' is the range of reasonable values that are intended to contain the '''parameter of interest''' with a certain '''degree of confidence'''. ''(point estimate - margin of error, point estimate + margin of error)'' ==== Example: approval ratings ==== At every time we an approve percentage and disapprove percentage. That is our point estimate. ==== Constructing CIs ==== By CLT, <math>\bar{Y} \sim N(\mu, \frac{\sigma^2}{...") Tag: Visual edit
- 03:16, 4 March 2024 Rice talk contribs created page Longest Common Subsequence (Created page with "= Problem description = A sequence ''Z'' is a subsequence of another sequence ''X'' if all the elements in ''Z'' also appear in order in ''X''. Notably, the elements do ''not'' need to be consecutive. In the '''longest-common-subsequence problem (LCS)''', we wish to find a maximum-length common subsequence of ''X'' and ''Y''. = Approach: dynamic programming = Consider") Tag: Visual edit
- 01:55, 4 March 2024 Rice talk contribs created page ECS122A Algorithms (Created page with "= Algorithms = * Longest Common Subsequence") Tag: Visual edit