Gelöst

surface of a spherical planet
you just discovered its circumference, that is the input.

fast 9 Jahre vor

Gelöst

Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

fast 9 Jahre vor

Gelöst

Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

fast 9 Jahre vor

Gelöst

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

fast 9 Jahre vor

Gelöst

Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

fast 9 Jahre vor

Gelöst

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

fast 9 Jahre vor

Gelöst

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

fast 9 Jahre vor

Gelöst

Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

fast 9 Jahre vor

Gelöst

Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

fast 9 Jahre vor

Gelöst

Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

fast 9 Jahre vor

Gelöst

Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

fast 9 Jahre vor

Gelöst

remove single elements
Given a vector of integers, remove the elements that have appeared only once. The output elements should be in exact order as th...

fast 9 Jahre vor

Gelöst

Another colon problem
This is simple problem based on problems 555, 801, 1118, etc. Create an index vector from two input vectors. Example: ...

fast 9 Jahre vor

Gelöst

Tridiagonal
Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix. Example ...

fast 9 Jahre vor

Gelöst

Index of a Rational number
The set of real numbers are infinite. They are so many that real numbers can't even be enumerated. However, unlike real numbers ...

fast 9 Jahre vor

Gelöst

Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.12
The mathematical quantities e^x, ln x, and log x are calculated in Matlab using the expressions exp(x), log(x), and log10(x), re...

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.10
Find the number of cells in a bioreactor after a given time when doubling time is dd and initial number of cells is x. So if ...

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.9
Swap the first and last columns of a matrix. So if A = [12 4 7; 5 1 4]; B = [7 4 12; 4 1 5]; ...

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.8
Given a list of grades in a class, write a script that gives the 2nd highest grade in the class and the average for the class. ...

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.7
Find the other two angles of a right triangle given the two of the sides. So if A = [1 1] B = [45 45]

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.5
Find the size of the matrix, then multiply both values by 10 and make it into a column vector. So if A = [ 1 2 3; ...

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.4
So if A = [ 1 2 3; 4 5 6; 7 8 9] B = [ 3 3]

fast 9 Jahre vor

Gelöst

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...

fast 9 Jahre vor

Gelöst

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.

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.6
Find the tangent line of a right triangle given the two of the sides. So if A = [1 1] B = sqrt(2)

fast 9 Jahre vor

Gelöst

UICBioE240 2.3
Make a 4D matrix of 4x4x3x4 containing all zeros.

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.3
Find the length of a vector. So if A = [1 1 1 1 1] Then B = 5

fast 9 Jahre vor

Gelöst

UICBioE240 2.1
This will be useful later in the course, in conjunction to clc and clear all, what is the command to close all figure windows th...

fast 9 Jahre vor

Gelöst

UICBioE240 problem 1.2
Convert a column vector into a row vector. So if A = [1; 2; 3] Then B = [ 1 2 3]

fast 9 Jahre vor