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	<id>https://drorbn.net/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Jonathanrlove</id>
	<title>Drorbn - User contributions [en]</title>
	<link rel="self" type="application/atom+xml" href="https://drorbn.net/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Jonathanrlove"/>
	<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=Special:Contributions/Jonathanrlove"/>
	<updated>2026-05-05T16:12:39Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://drorbn.net/index.php?title=12-267&amp;diff=12684</id>
		<title>12-267</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267&amp;diff=12684"/>
		<updated>2012-12-01T04:15:37Z</updated>

		<summary type="html">&lt;p&gt;Jonathanrlove: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;__NOEDITSECTION__&lt;br /&gt;
__NOTOC__&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
==Advanced Ordinary Differential Equations==&lt;br /&gt;
===Department of Mathematics, University of Toronto, Fall 2012===&lt;br /&gt;
&lt;br /&gt;
{{12-267/Crucial Information}}&lt;br /&gt;
&lt;br /&gt;
===Text===&lt;br /&gt;
Boyce and DiPrima, [http://ca.wiley.com/WileyCDA/WileyTitle/productCd-EHEP002451.html Elementary Differential Equations and Boundary Value Problems] (current edition is 9th and 10th will be coming out shortly. Hopefully any late enough edition will do).&lt;br /&gt;
&lt;br /&gt;
===Further Resources===&lt;br /&gt;
&lt;br /&gt;
* [http://www.math.toronto.edu/undergrad/ Undergraduate Information] at the [http://www.math.toronto.edu/ UofT Math Department]&lt;br /&gt;
&lt;br /&gt;
* [http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm Undergraduate Course Descriptions].&lt;br /&gt;
&lt;br /&gt;
* Vitali Kapovitch&#039;s 2007 classes: [http://www.math.toronto.edu/vtk/267/ Spring], [http://www.math.toronto.edu/vtk/267fall07/ Fall].&lt;br /&gt;
&lt;br /&gt;
* Also previously taught by T. Bloom, C. Pugh, D. Remenik.&lt;br /&gt;
&lt;br /&gt;
* My {{Pensieve Link|Classes/12-267/|12-267 notebook}}.&lt;br /&gt;
&lt;br /&gt;
{{Template:12-267:Dror/Students Divider}}&lt;br /&gt;
&lt;br /&gt;
[[User:Drorbn|Drorbn]] 06:36, 12 September 2012 (EDT): Material by [[User:Syjytg|Syjytg]] moved to [[12-267/Tuesday September 11 Notes]].&lt;br /&gt;
&lt;br /&gt;
[http://imgur.com/a/OSx1U#0 Summary of techniques to solve differential equations ] [[User:Vsbdthrsh|Vsbdthrsh]]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/Existence_And_Uniqueness_Theorem Fundamental Theorem and Proof from Lecture] [[User:Twine|Twine]]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/Derivation_of_Euler-Lagrange Derivation of Euler-Lagrange from Lecture] [[User:Twine|Twine]]&lt;br /&gt;
&lt;br /&gt;
[http://graphics.ethz.ch/teaching/former/vc_master_06/Downloads/viscomp-varcalc_6.pdf Useful PDF: proof of Euler-Lagrange equation, explanation, examples ] [[User:Vsbdthrsh|Vsbdthrsh]]&lt;br /&gt;
&lt;br /&gt;
12-267 [http://math.hunter.cuny.edu/mbenders/cofv.pdf In-depth coverage of Calculus of Variations][[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
12-267 [http://highered.mcgraw-hill.com/sites/dl/free/007063419x/392340/Calculus_of_Variations.pdf A good summary of Calculus of Variations]&lt;br /&gt;
[[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
12-267 [http://imgur.com/a/1vy11#0 All class notes from September 10th to October 5th] [[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
12-267 [http://imgur.com/a/uLSlM Summary of Numerical Methods] [[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=Numerical_Methods Numerical Methods (wiki)] [[User:Twine|Twine]]&lt;br /&gt;
&lt;br /&gt;
12-267 [http://imgur.com/a/tliYg Summary of Chapter 3 from the Textbook on Constant Coefficient Second Order ODEs] [[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/images/e/e6/Geometric_Interpretation_of_Lagrange_Multiplier.pdf Geometric Interpretation of Lagrange Multiplier] [[User:Mathstudent|Mathstudent]]&lt;br /&gt;
&lt;br /&gt;
Past exams from [http://exams.library.utoronto.ca.myaccess.library.utoronto.ca/handle/exams/4429 December 2009] and [http://exams.library.utoronto.ca.myaccess.library.utoronto.ca/handle/exams/4429 December 2010] [[User:Twine|Twine]]&lt;br /&gt;
&lt;br /&gt;
Handwritten notes by [[User:Ktnd3|Ktnd3]]:&lt;br /&gt;
&lt;br /&gt;
* September: [[Media:Mat267_-_lecture_1(sep.10).PDF|10th]], [[Media:Mat267_-_lecture_2%28sep.11%29.PDF|11th]], [[Media:Mat267_-_lecture_3%28sep.14%29.PDF|14th]], [[Media:Mat267_-_lecture_4%28sep.17%29.PDF|17th]], [[Media:12-267%28lecture5%29.PDF|18th]], [[Media:12-267%28lecture6%29.PDF|21st]], [[Media:12-267%28lecture7%29.PDF|24th]], [[Media:12-267%28lecture8%29.PDF|25th]], [[Media:12-267%28lecture9%29.PDF|28th]]&lt;br /&gt;
&lt;br /&gt;
* October: [[Media:12-267%28lecture10%29.PDF|1st]], [[Media:12-267%28lecture11%29.PDF|2nd]], [[Media:12-267%28lecture12%29.PDF|5th]], [[Media:12-267%28lecture13%29.PDF|9th]] [[Media:12-267%28lecture14%29.PDF|12th]]&lt;br /&gt;
&lt;br /&gt;
[http://i.imgur.com/uTugV.jpg Quick guide: system of 1st order linear equations] [[User:Vsbdthrsh|Vsbdthrsh]]&lt;br /&gt;
&lt;br /&gt;
Help of Inverse Matrix [http://mathworld.wolfram.com/MatrixInverse.html Matrix Inverse] [[User:Dongwoo.kang|Dongwoo.kang]]&lt;br /&gt;
&lt;br /&gt;
12-267 [http://imgur.com/a/50sRR All class notes from October 5th to October 30th] [[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
[http://imgur.com/a/sZSYx#0 Quick guide: Power Series + ODE] [[User:Vsbdthrsh|Vsbdthrsh]]&lt;br /&gt;
&lt;br /&gt;
[https://lh4.googleusercontent.com/-V1WnvvzXRlE/TxTGwl_BBjI/AAAAAAAAE9k/yVuy1zRmnWs/Gatos-cute-cute-32-800x500.jpg mirrors do actually flip top-to-bottom, depending on how you look at them] [[User:jonathanrlove|jonathanrlove]]&lt;/div&gt;</summary>
		<author><name>Jonathanrlove</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11927</id>
		<title>User:Jonathanrlove</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11927"/>
		<updated>2012-09-27T06:00:01Z</updated>

		<summary type="html">&lt;p&gt;Jonathanrlove: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Second Year Math Specialist, president of the [http://utmu.ca/ UofT math union], and [http://www.imdb.com/name/nm3548465/ movie star].&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_pol.htm#POL101Y1 POL101Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.math.toronto.edu/lam/ MAT135H1] (TA)&lt;br /&gt;
&lt;br /&gt;
(Page layout stolen from [[User:Eyjaffe]])&lt;/div&gt;</summary>
		<author><name>Jonathanrlove</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11901</id>
		<title>User:Jonathanrlove</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11901"/>
		<updated>2012-09-26T04:20:37Z</updated>

		<summary type="html">&lt;p&gt;Jonathanrlove: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Second Year Math Specialist, president of the [http://utmu.ca/ UofT math union], and [http://www.imdb.com/name/nm3548465/ movie star].&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_pol.htm#POL101Y1 POL101Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.math.toronto.edu/lam/ MAT135H1] (TA)&lt;/div&gt;</summary>
		<author><name>Jonathanrlove</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11900</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11900"/>
		<updated>2012-09-26T04:13:27Z</updated>

		<summary type="html">&lt;p&gt;Jonathanrlove: /* Who We Are... */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Love|first=Jonathan|userid=Jonathanrlove|email=jonathan.love@ mail.utoronto.ca|location=immediately to the left of the big awkward space in the middle row|comments=}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Jonathanrlove</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11899</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11899"/>
		<updated>2012-09-26T04:12:58Z</updated>

		<summary type="html">&lt;p&gt;Jonathanrlove: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Love|first=Jonathan|userid=Jonathanrlove|email=jonathan.love@ mail.utoronto.ca|immediately to the left of the big awkward space in the middle row|comments=}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Jonathanrlove</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11635</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11635"/>
		<updated>2012-09-14T03:10:04Z</updated>

		<summary type="html">&lt;p&gt;Jonathanrlove: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;It&#039;s a little hard to see me because I&#039;m pretty obscured, but I&#039;m the third guy from the left in the second row from the top. (Jonathan Love)&lt;/div&gt;</summary>
		<author><name>Jonathanrlove</name></author>
	</entry>
</feed>