Time And Space Complexity Analysis
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Review of the Dining Philosopher Problem, Modeling Each Philosopher as a Thread, How Deadlock Can Result, How Deadlock Can be Eliminated By Limiting the Number of Philosophers That Can Eat at Once Using a Semaphore, Using a Global Variable and a Binary Lock to Track a Resource Vs. Using a Semaphore, Another Threading Example Involving FTP Downloads of Multiple Files at Once, Where Each File Is Assigned to a Thread and the Total Number of...more
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Transitioning from Sequential Programming to Concurrent Programming in the Ticket Sale Example
Stanford / Computer Science
Transitioning from Sequential Programming to Concurrent Programming in the Ticket Sale Example, Problems with the Sequential Model, Threading Interface, Rewriting the Ticket Example to Use It, Adding a Randomized Threadsleep Call to the Threads to Make the Time Slices Used by the Different Threads Less Uniform, Sample Output of Our Ticket Threads, How a Thread Can be Interrupted in the Middle of a Nonatomic Operation, How Multithreading...more
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In this lecture, Professor Kagan describes the aftermath of the Thirty Years Peace. He argues that the Peace had the potential to keep peace between Athens and Sparta due to the arbitration clause. In addition, he argues that during this time, Athens sends various diplomatic messages to the wider Greek world stating their intentions for peace, such as the Panhellenic venture to establish Thurii. However, this peace is seriously challenged...more
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Dell explains the culture and dynamics of Dell, Inc. during its early years. The company was run by hardworking, versatile people who were action-orientated and willing to listen. Many of those early employees went on to fill important positions at the company later on. Some employees, however, had a hard time as the company grew, even though they had performed well when the company was smaller. At a fast-growing company, Dell notes, the...more
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Recap: Branch And Bound Methods, Basic Idea, Unconstrained, Nonconvex Minimization
Stanford / Mathematics
Announcements, Recap: Branch And Bound Methods, Basic Idea, Unconstrained, Nonconvex Minimization, Lower And Upper Bound Functions, Branch And Bound Algorithm, Comment: Picture Of Branch And Bound Algorithm In R^2, Comment: Binary Tree, Example, Pruning, Convergence Analysis, Bounding Condition Number, Small Volume Implies Small Size, Mixed Boolean-Convex Problem, Solution Methods, Lower Bound Via Convex Relaxation, Upper Bounds,...more
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Neeleman points out that JetBlue pays employees more than standard wages at United Airlines. They use technology to be more efficient, to spend less money in other areas. Much of the pay that employees receive is incentives. For example, pilots and flight attendants who fly over 70 hours each month receive time and 1/2. About 20% of compensation last year was based on the success of the company. In the 2nd full year of operation, over $17...more
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In this lecture, Professor Kagan describes the growth of a new power: Thebes. Under the leadership of Epaminondas and Pelopidas, Thebes grows into a major power among the Greek cities. In fact, the Thebans even rout the Spartans in a standard hoplite battle in the battle of Leuctra. Finally, Professor Kagan points out that by the time of Theban hegemony, the Greek world had experienced so many wars and conflicts that it opened the door to...more
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The numbers are stacked against the inspired business owner-to-be. Seasoned angel investors Ron Conway and Mike Maples talk about how many ideas they receive, how many executive summaries they peruse, how many meetings they call, and the shockingly few ventures - roughly one out of 150 - that end up receiving their investment of time and money. Also, Conway points out that investing is a risky business, with an even split between those...more
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Neeleman talks about how he tells his employees a simple formula for success: Show up to work, on time, with a good attitude. Take care of your fellow workers. If you set that expectation level, and are consistent, and model the behavior you expect, the employees then model it for each other, he adds. Neeleman also tells the story of the Southwest pilots who were fired for flying naked in the cockpit.
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Sensitivity Of Linear Equations To Data Error, Low Rank Approximations, Distance To Singularity, Application: Model Simplification, Controllability And State Transfer, State Transfer, Reachability, Reachability For Discrete-Time LDS
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Solution Via Laplace Transform And Matrix Exponential, Laplace Transform Solution Of X_^ = Ax, Harmonic Oscillator Example, Double Integrator Example, Characteristic Polynomial, Eigenvalues Of A And Poles Of Resolvent, Matrix Exponential, Time Transfer Property
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For a venture capital firm, the time they choose to invest in a company is important. At Mayfield Fund, Roberts explains, they either like to come in early and get a reasonable ownership of the company or take the less risky path of entering at a later stage. However, it is hard to invest in a middle stage deal where money requirements are higher and the concept has not yet been proven.
