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Create tangent function out of cosine only

Please don't use tangent and sine functions

5 years ago

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Beat the test suite if you can :)

Solve this problem based on clues in the test suite.

5 years ago

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De-dupe

Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

5 years ago

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Project Euler: Problem 1, Multiples of 3 and 5

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

5 years ago

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Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

5 years ago

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Create an array (n,n) where only diagonal elements are '1' and others are '0'

Create an array (n,n) where only diagonal elements are '1' and others are '0' EX: n = 3; then Resultant array would be [ 1 0...

5 years ago

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Sum of series I

What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

5 years ago

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UICBioE240 problem 1.1

Remove the middle row from a matrix, assuming # of rows is odd. So if A = [ 1 2 3; 4 5 6; 7 8 9] the...

5 years ago

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Cumulative product of a vector

Cumulative product of a vector example x=[1 2 5 10], then answer must be [ 1 2 10 100] *If you like this prob...

5 years ago

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Test if a matrix is symmetric

Write a logical function that returns 1 if the input matrix is symmetric and 0 otherwise.

5 years ago

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How many digits are there?

Input(s) - any string Output(n) - number of digits within string s

5 years ago

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The rabbit problem

Someone discovered that rabbits reproduce at the rate of fibonnaci so you just input the number and it will print the fibonnaci ...

5 years ago

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Average speed for the entire trip

The input is two speeds (for the trip and return trip) and output is average speed. Assume units are consistent, say miles per h...

5 years ago

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Number Persistence

A number's persistence is the number of steps required to reduce it to a single digit by multiplying all its digits to obtain a ...

5 years ago

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Computing Wind chill

On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

5 years ago

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What's size of TV?

Many people buy TV. Usually they ask about diagonal. But also important are width and height. Let's assume that all TV have rati...

5 years ago

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Power of n ?

Determine if _x_ (positive integer) is a power of _n_, return true or false accordingly.

5 years ago

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Find out sum of prime number till given number

Find out sum of prime number till given number Example, if number is 10, then answer must be 17.

5 years ago

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Skip by a multiple

Given an integer create an array of its multiples. Array must have a length of 15

5 years ago

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MATLAB Basic: rounding

Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

5 years ago

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solve for y that is half as much as three less than one tenth of x

function y = half(x) y = (x * .1); end

5 years ago

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the fly, the train, the second train, and their Zeno's paradox

*You have heard this one*: A train leaves station _A_ and travels with constant velocity _v1_. A second train leaves station _B_...

5 years ago

Solved

~~~~~~~ WAVE ~~~~~~~~~

|The WAVE generator| Once upon a time there was a river. 'Sum' was passing by the river. He saw the water of the river that w...

5 years ago

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Sum all integers from 1 to 2^x

Given a number x, your function must return the summation of all integers from 1 to 2^x.

5 years ago