283 results in Content created by Newcastle University - search across all projects.
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Question
Differentiate the following functions: $\displaystyle x ^ n \sinh(ax + b),\;\tanh(cx+d),\;\ln(\cosh(px+q))$
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Write complex numbers in real-imaginary form.
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Poles, residues, and contour integral of a complex-valued function. Pair of pure imaginary poles.
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Poles, residues, and contour integral of a complex-valued function. Pair of real poles.
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Poles, residues, and contour integral of a complex-valued function. Single, simple pole.
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Contour integral of $z^2$ along any path.
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Contour integral of $\mathrm{e}^{-z}$ along any path.
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Contour integral of a complex-valued function $f(z)$ with the poles of $f(z)$ either inside or outside the path $C$.
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Given a payoff table with two states and five actions, identify which actions are admissible, then the maximax, maximin, and minimax regret actions.
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Given a payoff table with two states and five actions, identify which actions are admissible, then the maximax, maximin, and minimax regret actions.
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Given a payoff table with two states and five actions, identify which actions dominate others, and identify admissible actions.
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Express $f(z)$ in real-imaginary form, given that $z=x+iy$.
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Given $f(x)=(x+b)^n$. Find the gradient and equation of the chord between $(a,f(a))$ and $(a+h,f(a+h))$ for randomised values of $a$, $b$ and $h$.
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Express $f(z)$ in real-imaginary form, given that $z=x+iy$, where $f(z)$ involves hyperbolic functions.
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Modulus and argument of a single complex number, where $\mathrm{Re}(z)=\mathrm{Im}(z)$.
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Expressing $\log(f(i))$ in the form $u+iv$. Principal values of log.
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Find the roots of $\sin(z)=a$.
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Exam (4 questions)
Questions on Pearson and Spearman correlation coefficients.
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Exam (4 questions)
For given optimisation problems, determine maximin, maximax, and minimax regret actions, expected value criteria, expected value of perfect information.
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Exam (4 questions)
Questions on differentiation from first principles, and continuity and differentiability.
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Exam (8 questions)
Use the chain rule to differentiate various functions.
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Exam (11 questions)
Use the product rule to differentiate various functions.
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Elementary examples of multiplication and addition of complex numbers. Four parts.
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Composite multiplication and division of complex numbers. Two parts.
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Direct calculation of low positive and negative powers of complex numbers. Calculations involving a complex conjugate. Powers of $i$. Four parts.
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Find modulus and argument of two complex numbers. Then use De Moivre's Theorem to find negative powers of the complex numbers.
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Determine the long-term behaviour of 1D dynamical systems.
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Fixed points of 2D dynamical systems.
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Eight questions on finding least upper bounds and greatest lower bounds of various sets.
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Fixed points of a 1D dynamical system.