Mathematics for Applied Sciences (Osnabrück 2023-2024)/Part I/Exercise sheet 16/refcontrol
- Exercises
Exercise Create referencenumber
Determine the derivatives of hyperbolic sine and hyperbolic cosine.
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Determine the derivative of the function
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Let
be a differentiable function with the property
Prove that for all .
===Exercise Exercise 16.4
change===
Determine the derivatives of the sine and the cosine function by using Theorem 16.1 .
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Determine the -th derivative of the sine function.
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Determine the derivative of the function
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Determine for the derivative of the function
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Determine the derivative of the function
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Let be a convergent power series. Determine the derivatives .
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Show that the function
is strictly increasing.
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Determine the local and the global extrema of the function
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Show that the sine function and the cosine function have the following values.
a)
b)
c)
===Exercise Exercise 16.13
change===
Prove that the real sine function induces a bijective, strictly increasing function
and that the real cosine function induces a bijective, strictly decreasing function
===Exercise Exercise 16.14
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Show that the real tangent functionMDLD/real tangent function induces a bijective,MDLD/bijective strictly increasingMDLD/strictly increasing (R) function
and that the real cotangent functionMDLD/real cotangent function induces a bijective strictly decreasing function
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Let
be a periodic function and
any function. a) Prove that the composite function is also periodic. b) Prove that the composite function does not need to be periodic.
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Let
be a continuous periodic function. Prove that is bounded.
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Let
be periodic functions with periods respectively and . The quotient is a rational number. Prove that is also a periodic function.
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Determine the derivatives of arc-sine and arc-cosine functions.
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We consider the function
a) Prove that gives a continuous bijection between and .
b) Determine the inverse image of under , then compute and . Draw a rough sketch for the inverse function .
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Determine the derivative of the function
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We consider the function
a) Investigate the monotony behavior of this function.
b) Prove that this function is injective.
c) Determine the image of .
d) Determine the inverse function on the image for this function.
e) Sketch the graph of the function .
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Consider the function
Determine the zeros and the local (global) extrema of . Sketch up roughly the graph of the function.
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Discuss the behavior of the function graph of
Determine especially the monotonicity behavior, the extrema of , and also for the derivative .
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Sketch the function
===Exercise Exercise 16.25
change===
Show that the function
defined by
is continuous.MDLD/continuous (R) Is it possible to sketch the graph of this function?
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Determine for the following functions if the function limit exists and, in case, what value it takes.
- ,
- ,
- ,
- .
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Determine for the following functions, if the limit function for , , exists, and, in case, what value it takes.
- ,
- ,
- .
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For an initial value , we consider the sequence defined by the recursive relation
Decide whether converges and, if applicable, determine its limit.
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Show that the sequence
does not converge.
- Hand-in-exercises
Exercise (3 marks) Create referencenumber
Determine the linear functions that are tangent to the exponential function.
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Determine the derivative of the function
The following exercise shall be solved without using the second derivative.
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Determine the extrema of the function
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We want to determine approximately as the smallest zero of cosine with the help of the cosine series
and the interval bisection method of the intermediate value theorem (in the sense of Method 11.3 ). Here, we encounter the problem that we can not compute the cosine exactly, as it involves infinitely many summands. Therefore we apply the following idea: as the -th approximation for , we use the lower bound of the -th interval coming from the interval bisection (with the initial interval ) for the zero of the truncated cosine series (so we are using finer nested intervals of better approximations of the cosine function).
Design a computer program (pseudocode) that computes the values and prints them, under the following conditions.
- The computer has as many memory units as needed. They can store rational numbers.
- The natural numbers are in some data base
- The computer can write the content of a memory unit into another memory unit.
- The computer can do arithmetic operations with rational numbers
- The computer can compare the content of two memory units and can jump, depending on the outcome, to program lines.
- The computer can print the content of a memory unit and stored texts.
Exercise (2 marks) Create referencenumber
Determine the function limit .
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