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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

10 years ago

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Prime Time
All you need to do here is submit your solution a prime number of seconds after the top of the hour. Any hour at all... Easy, ...

10 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...

10 years ago

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Times 32
X is given as your variable. Y is your output multiplied by 32 Example x=1 y=1x32=32

10 years ago

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How to make y half of x
Making y equal to x/2.

10 years ago

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Summation of array
Given an array, Find the sum of all of the elements in it Examples: Input x = [1 2 3 5; 4 5 6 7]; Output y is 33

10 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...

10 years ago

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Negation the hard way
Write a function that has the following property: f(f(x)) = -x for any numeric array x. Note that there is no restriction on ...

10 years ago

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Matlab Basics II - Log and natural log
Write a function that calculates the difference between the log and natural log of a vector, to two decimal places example: ...

10 years ago

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square root
Find the square root (y) of an input (x).

10 years ago

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CARDS PROBLEM
Read my mind and tell me the card number that I have now in my hands.

10 years ago

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Compute LOG(1+X) in natural log
Compute LOG(1+X) in natural log

10 years ago

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Multiplying Vectors 101
Make a vector from 1 to x then multiply the sum of that vector by 2.

10 years ago

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Number of problems
No, you don't read it wrong: this assignment is to return the number of this problem (and not the problem of this number).

10 years ago

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Output a vector which is table of 9
Output a vector which is table of 9

10 years ago

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Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

10 years ago

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Find out magnitude of vector
Find out magnitude of vector. Say x=[1 2 3], then answer must sqrt(1^2+2^2+3^2) Please don't use sum function. If you l...

10 years ago

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Square wave average calculation
Given its peak and duty cycle, calculate avg value of square wave

10 years ago

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Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

10 years ago

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Calculate square and cube of number
Calculate square and cube of number x

10 years ago

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Product of elements in row
Product of matrix such that a=[3 3 1] b=9

10 years ago

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How many digits are there?
Input(s) - any string Output(n) - number of digits within string s

10 years ago

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Calculate Alcohol By Volume with Original and Final Gravity
Given an initial gravity of un-fermented wort (OG) and a final gravity of fermented wort (FG), better known as beer, it is possi...

10 years ago

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How many days does the cat take to climb out of the hole?
A cat accidentally falls down a hole with sloping but rough sides. It can climb out of the hole of height h metres, but for ever...

10 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_...

10 years ago

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Continued fractions
Find a <http://en.wikipedia.org/wiki/Continued_fraction continued fraction> approximation of x.

10 years ago

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Append two matrix as shown below example
Append two matrix as shown below example A=[1 2; 3 4] and B=[5 6;7 8] Answer must be 1 2 5 6 3...

10 years ago

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Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

10 years ago

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Find out value of sine given by degree.
Find out value of sine given by degree. If theta=30, it's value must be 0.5.

10 years ago

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Element by element multiplication of two vectors
Given two input vectors, return the element-by-element product. Example A = [1 2 3] B = [7 3 1] The answer should be...

10 years ago