Solved

All your base are belong to us

Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

11 maanden ago

Solved

UICBioE240 problem 1.13

Compute the following - y = x^5/(x^-1) and y = (1-(1/x^5))^-1. Have the final answer of y to equal a 1 by 2 vector.

11 maanden ago

Solved

UICBioE240 problem 1.18

exp(pi/5*i) and exp(pi/5i). Is there any difference in result? Write yes or no as a string.

11 maanden ago

Solved

Orthogonal lines

Check whether two given lines are orthogonal or not. Two lines are orthogonal if they create a right angle at their intersect...

11 maanden ago

Solved

Where is the number that you want to find?

For a given matrix A, find where the input number x appears. Do this task by returning the vector which contains the row and th...

11 maanden ago

Solved

Make an identity matrix whose diagonal elements are 1:n

For a given input n, make an n by n identity matrix that contains the elements 1:n along its diagonal. For example, if input=5: ...

11 maanden ago

Solved

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...

11 maanden ago

Solved

PEMDAS test (★★)

Create the function that will return the following expression for x and y. <<https://i.ibb.co/RHWyzrv/Code-Cogs-Eqn-1.gif>> ...

11 maanden ago

Solved

Generate n equally spaced "intervals" between -x and x (★)

Given n and x, return a list of numbers (in ascending order) that divides the interval [-x x] into n equal-length intervals. ...

11 maanden ago

Solved

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, ...

11 maanden ago

Solved

Function 1 (★)

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

11 maanden ago

Solved

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...

11 maanden ago

Solved

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...

11 maanden ago

Solved

Fill a zeros matrix (★★★★★)

(Copy of Problem 830) The aim is to fill an array of all zeros given a numerical value and the index of row and columns for t...

11 maanden ago

Solved

*Prime number check 2 (in construction)

Another way to see if a number is prime is to count the number of factors. For example, the number 4 has 2 factors, [ 2 4 ]...

11 maanden ago

Solved

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...

11 maanden ago

Solved

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...

11 maanden ago

Solved

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 ...

11 maanden 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...

11 maanden ago

Solved

Create a vector of n alternating ones and zeros (★★)

Given n, your output should be a vector y of numbers such that the first number is 1 and the numbers following it alternate betw...

11 maanden 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...

11 maanden 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...

11 maanden ago

Solved

Sum of adjacent elements in a vector

Given a vector v, return a vector s containting the sum of every two adjacent elements in the vector. Every element s(i) cont...

11 maanden ago

Solved

Variance computation (★)

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

11 maanden ago

Solved

Approximate functions 1 (★★★)

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

11 maanden ago

Solved

Create a vector with n repeated values of a number x (★★)

If x=3 and n=7 then the vector y would be y=[3 3 3 3 3 3 3]

11 maanden 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...

11 maanden ago