Solved

imaginary results
Return the value of the imaginary number i to the power of input argument n.

2 years ago

Solved

Find the position of last minimum value in an integer array with numbers
If x = [2 6 4 9 -10 3 1 5 -10] then the output should be 9, because last minimum value (-10) lies at the 9th position.

2 years ago

Solved

Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

2 years ago

Solved

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 years ago

Solved

Best Problem Elections
When I am writing those words, there are 2002 problems on Cody. Many of them are simply wonderful. Do you remember which of them...

2 years ago

Solved

Convert a given Character to its decimal equivalent value
Convert a given character to its decimal equivalent value according to the ascii table. if x = '!'; y = 33; if x = 'u'; ...

2 years ago

Solved

Count the number of folds needed to pack a large sheet
In a certain paper factory, large sheets of paper are being made every day. Before sending the sheets for shipment, they have to...

2 years ago

Solved

Calculate the sphericity of a Raschig ring
Sphericity is a measure of the roundness of any particle. It was defined by Wadell in 1935 as the ratio of the 'surface area of ...

2 years ago

Solved

commutative?
Given the handle to a binary function that takes two ordinary numbers, test if the function is commutative.

2 years ago

Solved

Numerical Integration
Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...

3 years ago

Solved

Element-wise vector product (★)
Given two vectors x and y, compute their element-wise product z. Thus, if x = [1 3 5] and y = [0.5 -1 2], then z = [1*0.5...

3 years ago

Solved

Logarithmically spaced vector creation using linspace
Create a vector y containing n logarithmically spaced values between a and b, with a < b. Avoid using logspace and use the linsp...

3 years 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 ...

3 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...

3 years 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...

3 years ago

Solved

Create a vector of the first n natural numbers (★)
If n = 7, your program should return a vector y, where y = [1 2 3 4 5 6 7].

3 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 <> ...

3 years ago

Solved

Vector creation using colon operator
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use the colon (:) operator.

3 years ago

Solved

Saving MATLAB session to a file
How to save MATLAB session to a file?

3 years ago

Solved

Calculate compression ratio of engine
Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)

3 years ago

Solved

Create logarithmically spaced values (★)
Given three numbers a,b,n with b>a, create a vector y with n logarithmic spaced values between 10^a and 10^b. Thus, if a = -2, ...

3 years ago

Solved

Vector creation using linspace
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use linspace.

3 years ago

Solved

Temperature Conversion Utility (Strings)
This is a follow-on problem to <http://www.mathworks.com/matlabcentral/cody/problems/2413-temperature-conversion-utility Problem...

3 years ago

Solved

Play Tic Tac Toe : No Losses Allowed
Let's play a friendly game of Tic Tac Toe Create an efficient algorithm to Never Lose. The Player may be either the first...

3 years ago

Solved

Mmm! Multi-dimensional Matrix Multiplication
You have got a couple of multi-dimensional matrices, A and B. And want to multiply them. For the first 2 dimensions, an ordinary...

3 years ago

Solved

Make an N-dimensional Multiplication Table
*INSTRUCTIONS* This is a multi-dimensional variant of the normal multiplication table used to teach elementary students multi...

3 years ago

Solved

Cody Computer Part 3 - Detect the graphic card used on Cody Computer
In the Cody computer investigation party, you may have already solved : Problem 522. Cody Computer Part 1 - Guess the system fo...

3 years ago

Solved

Cody Computer Part 4 : Are you a morning Cody player Addicted ?
This is a stupid Cody challenge. You just have to *click "Submit" between 7 and 9 AM.* ... Greenwich Mean Time (GMT). To see ...

3 years ago

Solved

Cody Computer Part 2 - Get the license number of Cody Computer
In the Cody computer investigation party, you may have already solved : <http://www.mathworks.com/matlabcentral/cody/problems...

3 years ago

Solved

Generate a string like abbcccddddeeeee
This is the string version of Problem 1035. <http://www.mathworks.com/matlabcentral/cody/problems/1035-generate-a-vector-like-1-...

3 years ago