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Times 10
Try out this test problem first. Given the variable x as your input, multiply it by ten and put the result in y. Examples:...

5 years ago

Solved


Times 5
Try out this test problem first. Given the variable x as your input, multiply it by five and put the result in y. Examples...

5 years ago

Solved


Power Numbers
Find the n-th power of m.

5 years ago

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Find the y=(1:x)
Look at the question

5 years ago

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How many apple
You have x apples I take from you y apples now how many apples you have ?

5 years ago

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DETERMİNE bigger input
which one is biigger x or z

5 years ago

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Mo money, mo math 1! (★★★)
(adapted from Prob 9 Cody team) You have a vector where the elements represent the number of $20 bills, $10 bills, $5 bills, ...

5 years ago

Solved


Sum of terms in a series 1 (★★★)
Given x and n, compute the following sum: |x|+|x|^(1/2)+|x|^(1/3)+|x|^(1/4)+|x|^(1/5) ... + |x|^(1/n) where ||x|| indica...

5 years ago

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Median computation (★★★)
See easy edition of this problem. However, now you must compute the median of any real-valued vector without using the in-built...

5 years ago

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Median computation (★)
Given a vector of values, compute the median. The median is defined as the middle value in a set of *sorted* data. Thus, if ...

5 years ago

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Variance computation (★)
Given a vector x with several values, compute the variance, whose formula is given by: <<https://i.imgur.com/Wg95KBE.gif>> ...

5 years ago

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Mo money, mo math #2! (★★★)
(adapted from Prob 9 Cody team) You have a matrix for which each row is a person and the columns represent the number of quar...

5 years ago

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Variance computation (★★★)
Given a vector x with several values, compute the variance, whose formula is given by: <<https://i.imgur.com/Wg95KBE.gif>> ...

5 years ago

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Approximate functions 1 (★★★)
Compute the following sum for any given x and positive integer n. <<https://i.imgur.com/eUwXdSE.gif>> <> Here m! denote...

5 years ago

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Function 1 (★)
Compute the value of <<https://i.imgur.com/AxKWLmE.gif>> for any given positive x.

5 years ago

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Prime number check (★★)
One way to see if a number x is prime is to compute the remainders obtained when dividing x by all integers from 2 to √(x). If x...

5 years ago

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Grouped Frequency Distributions

5 years ago

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Extract leading non-zero digit (★★★★★)
(Copy of Problem 47) Benford's Law states that the distribution of leading digits is not random. This is probably because man...

5 years ago

Solved


Magnitude of a vector (★★★)
Given a vector x with values [ x1, x2, x3, ..., xn ], compute the magnitude (or length) of the vector which is given by <<htt...

5 years ago

Solved


Sum of elements of a vector (★★★)
Given any vector x = [x1, x2, x3, ... xn], compute the sum of its elements. Thus, if x = [ 1 3 -2 5 ], then the sum of its el...

5 years ago

Solved


Sum of elements in a vector (★)
(copy of Prob. 3) Find the sum of all the numbers of the input vector x. Input x = [1 2 3 5] Output y is 11 <> ...

5 years ago

Solved


Make a checkerboard matrix (★★★★★)
(copy of Prob. 4) Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1...

5 years ago

Solved


Triangle Numbers (★★)
(copy of problem 5) Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3...

5 years ago

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Select every other element of a vector (★★)
(copy of prob 6) Write a function which returns every other element of the vector passed in. That is, it returns the all odd-...

5 years ago

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Column Removal (★★★)
(copy of prob 7) Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2...

5 years ago

Solved


Swap the first and last columns (★★)
(copy of Prob 19) Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becom...

5 years ago

Solved


Create times-tables (★★★)
(copy of prob 33) At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 ti...

5 years ago

Solved


Doubling elements in a vector (★★)
(copy of prob. 1024) Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] t...

5 years ago

Solved


Generate a vector which contains a pyramid pattern (★★★★)
Generate a vector that contains terms that follows a pyramid pattern up to the nth row: 1 2 2 3 3 3 4 4 4 4 ...

5 years ago

Solved


Average of corner elements of a matrix (★★)
(copy of prob 2235) Calculate the average of corner elements of a matrix. e.g. x=[1 2 3; 4 5 6; 7 8 9;] avg = (1+3+7+9)...

5 years ago

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