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Average valid values of arrays
Given a 1D array (column or row vector), compute the average of valid values. Valid values are defined via two thresholds: minVa...

2年以上前

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Matrix Indexing
Given a matrix A and scalars r,c,i, find the product of two elements, with the first element located at row r and column c (doub...

2年以上前

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Convert Fahrenheit to Celsius
Calculate the Celsius temperature C given the Fahrenheit temperature F. Examples: Input F = 90 Output C is 32.22 I...

2年以上前

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Kelvin to Celsius
Degrees Celsius = degrees Kelvin - 273.15. Given a temperature in Kelvin, return the equivalent temperature in Celsius.

2年以上前

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lb to kilogram
convert lb to kilogram units, easy

2年以上前

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Replace all odd numbers with NaN
Replace all odd numbers in the vector or matrix with NaN. For example, if x = [1 3 4 5 8 11]; then return y = [NaN Na...

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Create a "+" flag
Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

2年以上前

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odd number odd sum
How many three digit numbers are there whose sum of the digits is odd?

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String Delimination and Outputting
In this problem, take an incoming string and deliminate the string based on spaces. Output the first string in between the space...

2年以上前

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SAY 'OHYEAH'
Regardless of input, output the string 'OHYEAH'.

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Determine point is located in a circle or not
Using input [x] and [y], determine the points (x,y) is located inside of circle (x^2+y^2=1) if point is located in circle, outp...

2年以上前

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Reverse a string
Reverse the given string. Example input = 'reverse' output = 'esrever'

2年以上前

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String Logic 13
Examples: 'CAT' --> 'TCA' 'DOG' --> 'OGD' 'ROSY' --> 'YSRO' 'MOSTLY' --> 'YTSOML'

2年以上前

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Find all prime factors of the input
Given an input x, find its all prime factors. Return the vector with all factors in ascending order. Efficiency is the key here...

2年以上前

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Sum of digits of powers of 2
Given n, first, calculate the number 2^n. Then, sum the digits that comprise that number. For example: Input: n = 7 2^n = ...

2年以上前

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Simple Vector Addition
Take two incoming vectors and output the sum of the two vectors

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All odd - all even
All odd numbers in x are added, while all even numers are subtracted from this. example: x = [1 2 3 4 5]; y = +(1+3+5)-...

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More Simple String Concatenation
Take the first string input, reverse the order of the string from the end to beginning (i.e. apple becomes elppa), add a space a...

2年以上前

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

2年以上前

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Double the length of the vector

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Simple String Concatenation
This is a simple problem involving taking two incoming strings, and outputting the concatenated string with a space separating t...

2年以上前

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Add the positive numbers
Add only the positive numbers of x example: x = [-2 -1 0 1 2 3] the positive numbers are: 1 2 3, so their sum is 6

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Sum two matrices
Take two incoming matrices, and sum them

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determine the sum of the squares
if x = 4, the solution will be: y = 1^2+2^2+3^2+4^2=1+4+9+16 = 30.

2年以上前

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Increment up an input vector
Increment up an input vector by adding the indices to the vector values. For example, if an input vector is [3, 2, 6, 1, 6], the...

2年以上前

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Automatic String Editing
In this function, you will take an incoming string, and output the same string with each character one letter later in the alpha...

2年以上前

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reverse the order and combine a matrix

2年以上前

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Linear Motion 4
A robot accelerates at a rate of A ft/s2. Assuming the robot starts from rest how much time is required to reach an object loca...

2年以上前

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Weave two matrices together to form one matrix
Take the first column from matrix a, then insert the first column from matrix b, and so on. For example: a = [1 2 3 4]; b ...

2年以上前

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Decide whether determinant is zero.
Given a 3 x 3 matrix, find the determinant. Let y = true if the determinant is zero, and let y = false if the determinant is no...

2年以上前