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### MathWorks

24 total contributions since 2015

Developer for Cody and Cody Coursework

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Solved

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

19 days ago

Solved

Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

3 years ago

Solved

Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

3 years ago

How to check the google page rank via MaTLAB?
<https://www.mathworks.com/help/matlab/examples/use-page-rank-algorithm-to-rank-websites.html>

3 years ago | 0

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

3 years ago

Question

Standards for a function name
MATLAB has a standard that a variable can only consist of digits, letters and underscores Is there any standard for function ...

3 years ago | 1 answer | 0

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Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

3 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Solved

square number
Square a number

3 years ago

Solved

Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

3 years ago

Solved

Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

4 years ago

Question

Alternate to repmat to create cell array
Currently I am using repmat to create a matrix of multiple struct structElement = struct('a1','', 'a2', '', 'a3', '', 'a4',...

4 years ago | 1 answer | 0

### 1

Question

create an array of single struct
structElement = struct('a1','', 'a2', '', 'a3', '', 'a4', ''); s1 = repmat(structElement, [1,1]); The above code gives a...

4 years ago | 1 answer | 0

### 1

Question

Repmat converts '' to []
I want to create an array of structs I am using the following code structElement = struct('a', '', 'b', '', 'c', []...

4 years ago | 1 answer | 0

### 1

Question

Way to break matlab code string into array of sections
Suppose I have the following string: %% a = 2 %% a =3 %% t = 0:.1:pi*4; y = sin(t); for k...

4 years ago | 1 answer | 0

### 1

Why do I get the message "Undefined function 'showPointCloud' for input arguments of type 'double'."
What version of MATLAB are you using? showPointCloud is only available from MATLAB R2014b. Also as Star mentioned, do you ...

5 years ago | 0

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

5 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

5 years ago

Solved

Given a and b, return the sum a+b in c.

5 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5 years ago

Nbp=[2827.4 0]; Dbp=[1 942.4 4712^2]; Wbp=[0:50:10000]; hbp=freqs(Nbp,Dbp,Wbp); hbp_mag=abs(hbp); hbp_phas...

5 years ago | 0

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