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The Tragedy of Macbeth, often shortened to Macbeth (/ m ə k ˈ b ɛ θ /), is a tragedy by William Shakespeare, estimated to have been first performed in 1606. [ a ] It dramatises the physically violent and damaging psychological effects of political ambitions and power.
Macbeth and Banquo with the Witches by Henry Fuseli. The Three Witches first appear in Act 1, Scene 1, where they agree to meet later with Macbeth. In Act 1, Scene 3, they greet Macbeth with a prophecy that he shall be king, and his companion, Banquo, with a prophecy that he shall generate a line of kings. The prophecies have great impact upon ...
The supposed Lady Macbeth effect or Macbeth effect is a priming effect in which feelings of shame appear to increase cleaning and cleanliness-seeking responses. [1] The effect is named after the Lady Macbeth character in the Shakespeare play Macbeth ; she imagined bloodstains on her hands after committing murder.
In mathematical optimization, the perturbation function is any function which relates to primal and dual problems. The name comes from the fact that any such function defines a perturbation of the initial problem. In many cases this takes the form of shifting the constraints. [1]
Perturbation theory develops an expression for the desired solution in terms of a formal power series known as a perturbation series in some "small" parameter, that quantifies the deviation from the exactly solvable problem. The leading term in this power series is the solution of the exactly solvable problem, while further terms describe the ...
Perturbation or perturb may refer to: Perturbation theory, mathematical methods that give approximate solutions to problems that cannot be solved exactly; Perturbation (geology), changes in the nature of alluvial deposits over time; Perturbation (astronomy), alterations to an object's orbit (e.g., caused by gravitational interactions with other ...
Lady Macbeth is a leading character in William Shakespeare's tragedy Macbeth (c. 1603–1607). As the wife of the play's tragic hero, Macbeth (a Scottish nobleman), Lady Macbeth goads her husband into committing regicide , after which she becomes queen of Scotland .
William Shakespeare's play Macbeth is said to be cursed, so actors avoid saying its name when in the theatre (the euphemism "The Scottish Play" is used instead). Actors also avoid even quoting the lines from Macbeth before performances, particularly the Witches' incantations. Outside a theatre and after a performance, the play can be spoken of ...