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5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

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Sums of Distinct Powers
You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

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Pandigital Multiples of 11 (based on Project Euler 491)
A "Pandigital number of order X" is one that contains all of the numbers from 0 to X, but with no leading zeroes. If X>9, the cy...

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"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

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Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

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Digit concentration in Champernowne's constant
Consider the first 50 digits of Champernowne's constant 0.12345678910111213141516171819202122232425262728293... The...

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Acid and water
Assume that there is a 100 liter tank. It is initially filled with just distilled water. It is continuously drained at R...

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The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

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Beantwortet
How can I simulate a dynamical system backwards in time with Simulink 6.6(R2007a)?
I agree that this is an interesting problem. Assuming your model is continuous time of the general form: d/dt x(t) = f(x(t),u...

etwa 7 Jahre vor | 0