<?xml version="1.0" encoding="UTF-8"?>
<!-- generator="FeedCreator 1.8" -->
<?xml-stylesheet href="https://beta.mathcity.org/lib/exe/css.php?s=feed" type="text/css"?>
<rdf:RDF
    xmlns="http://purl.org/rss/1.0/"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
    xmlns:dc="http://purl.org/dc/elements/1.1/">
    <channel rdf:about="https://beta.mathcity.org/feed.php">
        <title>MathCity.org Beta</title>
        <description>This is beta site.</description>
        <link>https://beta.mathcity.org/</link>
        <image rdf:resource="https://beta.mathcity.org/_media/logo.png" />
       <dc:date>2026-06-06T19:52:39+00:00</dc:date>
        <items>
            <rdf:Seq>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa22-mth604?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp20-mth604?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa23-mth480?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp21-mth604?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa21-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp18-mth251?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp18-mth604?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp20-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa20-mth424?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp14-mth231?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa15-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa18-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa19-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa22-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp23-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp23-mth322?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/math-608/what_is_mathematics?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp15-mth321/mcqs?rev=1737476034&amp;do=diff"/>
            </rdf:Seq>
        </items>
    </channel>
    <image rdf:about="https://beta.mathcity.org/_media/logo.png">
        <title>MathCity.org Beta</title>
        <link>https://beta.mathcity.org/</link>
        <url>https://beta.mathcity.org/_media/logo.png</url>
    </image>
    <item rdf:about="https://beta.mathcity.org/atiq/fa22-mth604?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH604: Fixed Point Theory and Applications (Fall 2022)</title>
        <link>https://beta.mathcity.org/atiq/fa22-mth604?rev=1737476034&amp;do=diff</link>
        <description>~~DISCUSSION~~

MTH604: Fixed Point Theory and Applications (Fall 2022)

[FPTA]

Course Objectives:

This course is intended as a brief introduction to the subject with a focus on Banach Fixed Point theorems fixed point theorem and its application to nonlinear differential equations, nonlinear integral equations, real and complex implicit functions theorems and system of nonlinear equations. Some generalizations and similar results e. g.  Kannan Fixed Point theorems, Banach Fixed Point theorem f…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp20-mth604?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH604: Fixed Point Theory and Applications (Spring 2020)</title>
        <link>https://beta.mathcity.org/atiq/sp20-mth604?rev=1737476034&amp;do=diff</link>
        <description>~~DISCUSSION~~

MTH604: Fixed Point Theory and Applications (Spring 2020)

Course Objectives:

This course is intended as a brief introduction to the subject with a focus on Banach Fixed Point theorems fixed point theorem and its application to nonlinear differential equations, nonlinear integral equations, real and complex implicit functions theorems and system of nonlinear equations. Some generalizations and similar results e. g.  Kannan Fixed Point theorems, Banach Fixed Point theorem for mul…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa23-mth480?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH480: Introductory Quantum Mechanics</title>
        <link>https://beta.mathcity.org/atiq/fa23-mth480?rev=1737476034&amp;do=diff</link>
        <description>MTH480: Introductory Quantum Mechanics

Objective

The physical principles and mathematical formalism of quantum theory, with emphasis on applications to atomic, molecular, and many-body physics; scattering phenomena; and electromagnetism (photon physics).  $x(t)={{t}^{3}}+2\sin t$$t=\dfrac{\pi }{6}$$v(t)={{t}^{2}}+t{{e}^{t}}$</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp21-mth604?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH604: Fixed Point Theory and Applications (Spring 2021)</title>
        <link>https://beta.mathcity.org/atiq/sp21-mth604?rev=1737476034&amp;do=diff</link>
        <description>~~DISCUSSION~~

MTH604: Fixed Point Theory and Applications (Spring 2021)

Course Objectives:

This course is intended as a brief introduction to the subject with a focus on Banach Fixed Point theorems fixed point theorem and its application to nonlinear differential equations, nonlinear integral equations, real and complex implicit functions theorems and system of nonlinear equations. Some generalizations and similar results e. g.  Kannan Fixed Point theorems, Banach Fixed Point theorem for mul…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa21-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Fall 2021)</title>
        <link>https://beta.mathcity.org/atiq/fa21-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Fall 2021)

&lt;callout type=“info” icon=“true”&gt;
Discussion is available at the end of this page. One is free to ask any question or comment.
&lt;/callout&gt;

[Photo-illustration of Zeno&#039;s Paradox]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp18-mth251?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH251: Set Topology</title>
        <link>https://beta.mathcity.org/atiq/sp18-mth251?rev=1737476034&amp;do=diff</link>
        <description>MTH251: Set Topology

[Set Topology]
Topology is an important branch of mathematics that studies all the “qualitative” or “discrete” properties of continuous objects such as manifolds, i.e. all the properties that aren&#039;t changed by any continuous transformations except for the singular (infinitely extreme) ones.$\mathbb{R}$$T_1$$\mathbb{Z}$$A=\{1,2,3,...,20\}$$\mathbb{R}$$\mathbb{Q}$$\mathbb{R}$$A=\left\{1,\frac{1}{2},\frac{1}{3},... \right\}$$A$$\mathbb{R}$$A=\mathbb{N}$$B=\{1,2,3,...,100\}$$C=…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp18-mth604?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH604: Fixed Point Theory and Applications</title>
        <link>https://beta.mathcity.org/atiq/sp18-mth604?rev=1737476034&amp;do=diff</link>
        <description>MTH604: Fixed Point Theory and Applications

Course Objectives:

This course is intended as a brief introduction to the subject with a focus on Banach Fixed Point theorems fixed point theorem and its application to nonlinear differential equations, nonlinear integral equations, real and complex implicit functions theorems and system of nonlinear equations. Some generalizations and similar results e. g.  Kannan Fixed Point theorems, Banach Fixed Point theorem for multi-valued mappings are also ed…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp20-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Spring 2020)</title>
        <link>https://beta.mathcity.org/atiq/sp20-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Spring 2020)

&lt;callout type=“info” icon=“true”&gt;
Discussion is available at the end of this page. One is free to ask any question or comment.
&lt;/callout&gt;

~~DISCUSSION~~
[Photo-illustration of Zeno&#039;s Paradox]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove vario…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa20-mth424?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH424: Convex Analysis (Fall 2020)</title>
        <link>https://beta.mathcity.org/atiq/fa20-mth424?rev=1737476034&amp;do=diff</link>
        <description>MTH424: Convex Analysis (Fall 2020)

[Convex Analysis]

Objectives:

At the end of this course the students will be able to understand the concept of Convex Analysis, convex sets, convex functions, Differential of the convex function. Developing ability to study the Hadamard-Hermite inequalities and their applications. Prepare students to be self independent and enhance their mathematical ability by giving them home work and projects.$f(x)=x$$\mathbb{R}$$f(x)=x^2$$\mathbb{R}$$f:[a,b]\to \mathbb{…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp14-mth231?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH231: Linear Algebra</title>
        <link>https://beta.mathcity.org/atiq/sp14-mth231?rev=1737476034&amp;do=diff</link>
        <description>MTH231: Linear Algebra

Introduction

Linear algebra is the branch of mathematics deals with algebraic equations, spaces (vector and scalar), linear mappings between such spaces etc. Combined with the theory of calculus, linear algebra ensures to have methodologies to compute the solutions of system of equations (algebraic and differential). Techniques from linear algebra are also used in analytically geometry, engineering, physics, natural sciences and computer sciences and particularly in econ…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa15-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Fall 2015)</title>
        <link>https://beta.mathcity.org/atiq/fa15-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Fall 2015)


&lt;div&gt;&lt;img src=&quot;http://mathcity.org/images/real_numbers.jpg&quot; title=&quot;Number SYstem&quot; class=&quot;mediaright&quot; alt=&quot;Calculus&quot; /&gt;&lt;/div&gt;

At the end of this course the students will be able to uunderstand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about limits of sequences and functions and emphasize th…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa18-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Fall 2018)</title>
        <link>https://beta.mathcity.org/atiq/fa18-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Fall 2018)


&lt;div&gt;&lt;img src=&quot;http://mathcity.org/images/real_numbers.jpg&quot; title=&quot;Number SYstem&quot; class=&quot;mediaright&quot; alt=&quot;Calculus&quot; /&gt;&lt;/div&gt;

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about limits of sequences and functions and emphasize the…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa19-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Fall 2019)</title>
        <link>https://beta.mathcity.org/atiq/fa19-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Fall 2019)



[Photo-illustration of Zeno&#039;s Paradox by Juliana Jiménez Jaramillo. Photo by Twildlife/Thinkstock]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about limits of sequences and functions and emphasize the proofs’ development. Def…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa22-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Fall 2022)</title>
        <link>https://beta.mathcity.org/atiq/fa22-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Fall 2022)


~~DISCUSSION~~
[Photo-illustration of Zeno&#039;s Paradox]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about limits of sequences and functions and emphasize the proofs’ development. Define continuity of a function and uniform conti…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp23-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Spring 2023)</title>
        <link>https://beta.mathcity.org/atiq/sp23-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Spring 2023)


~~DISCUSSION~~
[Photo-illustration of Zeno&#039;s Paradox]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about limits of sequences and functions and emphasize the proofs’ development. Define continuity of a function and uniform con…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp23-mth322?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH322: Real Analysis II (Spring 2023)</title>
        <link>https://beta.mathcity.org/atiq/sp23-mth322?rev=1737476034&amp;do=diff</link>
        <description>MTH322: Real Analysis II (Spring 2023)

[MTH322: Real Analysis II (Spring 2023)]
This course is offered to BS, Semester VI at Department of Mathematics, COMSATS University Islamabad, Attock campus. This course need rigorous knowledge of continuity, differentiation, integration, sequences and series of numbers, that is many notions included in $f\in \mathcal{R}[a,b]$$b\ge a$$f(x)\ge 0$$x\ge a$$\int_{\,a}^{\,\infty }{f(x)\,dx}$$M&gt;0$$\int\limits_{a}^{b}{f(x)\,dx}\leq M$$b\ge a$$f(x)$$g(x)$$x&gt;a$$\li…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/math-608/what_is_mathematics?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>What is Mathematics?</title>
        <link>https://beta.mathcity.org/atiq/math-608/what_is_mathematics?rev=1737476034&amp;do=diff</link>
        <description>What is Mathematics?



Different people would gave different answers of the above title. A student in elementary school would probably say it was about adding, subtracting, multiplying and dividing. Oh yes--- about functions and decimals too. A student in high school would probably say that it is about learning rules and formulas to solve equations. Oh yes</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp15-mth321/mcqs?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MCQs or Short Questions</title>
        <link>https://beta.mathcity.org/atiq/sp15-mth321/mcqs?rev=1737476034&amp;do=diff</link>
        <description>MCQs or Short Questions

On this page, MCQs or short questions with out answers are given. Students need to find the answer them self. This page will be updated occasionally and new MCQs or short question will be posted here.

	*  A number which is neither even nor odd is$2n$$n \in \mathbb{Z}$$2\pi$$\pi$$\pi$$\sqrt{2}$$\sqrt{3}$$A$$f:A\to \mathbb{N}$$f$$f$$f$$A=\{x| x\in \mathbb{N} \wedge x^2 \leq 7 \}$$A$$\{s_n\}$$\lambda$$|s_n|&lt;\lambda$$n\in\mathbb{Z}$$p$$|s_n|&lt;p$$n\in\mathbb{Z}$$s$$|s_n|&lt;s$$n…</description>
    </item>
</rdf:RDF>
