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Date tag: January 28 2010 6:11:3
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Date tag: January 28 2010 6:10:50
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Date tag: January 28 2010 6:8:14
Functional abstraction and higher order functions in scheme.
Date tag: January 28 2010 6:4:4
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Date tag: January 28 2010 6:2:11
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Date tag: January 28 2010 5:52:39
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Date tag: January 28 2010 5:48:34
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Date tag: January 28 2010 5:44:23
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Date tag: January 28 2010 5:39:57
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Date tag: January 28 2010 5:34:50
So far, all functions have been invoked by their names, but lists can be functions too.
Date tag: January 28 2010 5:29:12
Functions dont actually need names, although it is convenient to name them. Recall that some sexprs have values such as atoms, lists, functions applications, and special forms.
Date tag: January 28 2010 5:29:3
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Date tag: January 28 2010 5:26:45
assert item is an item, and person is a person assert that my eq x y is an equality test for any two s exprs define hilarious item person cond and my eq item bucket my eq person raymond true else false
Date tag: January 28 2010 5:23:33
The local construct is not in official scheme bit it is defined in the teaching exercise we use.
Date tag: January 28 2010 5:23:22
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Date tag: January 28 2010 5:15:55
Local definitions. The idea is to create local variables and functions that dont exist outside of this scope. Each definition is a local constant or function definition.
Date tag: January 28 2010 5:15:45
Like most programming languages, Scheme uses lexical, aka static, scoping to resolve the meanings of variables references. Look where a variable or function is used and work up through the program structure, towards the global namespace, but stop when you find a match.
Date tag: January 28 2010 5:15:37
So far we have used define to create constants and functions in the global namespace. Sometimes we would like to be able to create temporary local definitions that exist only inside a function without polluting the global namespace.
Date tag: January 28 2010 5:7:21
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Date tag: January 27 2010 9:16:52
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Date tag: January 27 2010 9:10:42
The integral test, the comparison test, and the limit comparison test, all assume that the series only have non negative numbers. Integral bad things can happen if we have some negative terms in the series.
Date tag: January 27 2010 9:7:59
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Date tag: January 27 2010 9:7:50
Limit comparison test
Date tag: January 27 2010 8:59:35
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Date tag: January 27 2010 8:56:11
Comparison test.
Date tag: January 27 2010 8:53:23
p series
Date tag: January 27 2010 8:50:8
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Date tag: January 27 2010 8:45:5
Integral test
Date tag: January 27 2010 8:44:55
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Date tag: January 27 2010 8:40:19
Calculating the series in general is hard but determining if a series converges is easy. Tests for divergence, aka the Nth term test.
Date tag: January 27 2010 8:33:9
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Date tag: January 27 2010 8:22:12
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Date tag: January 27 2010 8:21:56
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Date tag: January 27 2010 8:19:28
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Date tag: January 27 2010 8:16:2
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Date tag: January 27 2010 8:13:22
Congruence classes
Date tag: January 27 2010 8:9:34
Fermatts little theorem
Date tag: January 27 2010 8:5:15
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Date tag: January 27 2010 8:0:8
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Date tag: January 27 2010 7:59:50
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Date tag: January 27 2010 7:59:26
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Date tag: January 27 2010 7:50:0
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Date tag: January 27 2010 7:49:50
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Date tag: January 27 2010 7:43:20
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Date tag: January 27 2010 7:43:9
Congruence modulo m
Date tag: January 27 2010 7:38:52
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Date tag: January 27 2010 7:38:42
Congruence modulo m, equivalence relations
Date tag: January 27 2010 6:22:35
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Date tag: January 27 2010 6:19:4
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Date tag: January 27 2010 6:16:53
karnaught maps or kmaps k maps
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