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Stephen


Active since 2011

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

9 years ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

9 years ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

9 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

9 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

9 years ago

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 ...

9 years ago

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

9 years ago

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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 ...

9 years ago

Solved


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

9 years ago

Solved


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

9 years ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

9 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...

9 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:...

9 years ago

Question


Plotting Matrices Stored in Sequential Array Cells
Hey, I've got an array which has a few matrices stored in the arrays and now I'm wanting to plot them. Now I can see two ways...

10 years ago | 1 answer | 0

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Question


Graph With Variable Number of Plots
I'm writing a piece of code that needs to split up a vector into smaller vectors which are not uniform in length. These smaller ...

10 years ago | 1 answer | 0

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answer

Question


3D Matrix to replace a square matrix in a for loop?
Sorry if the question title isn't great; stuggled to come up with a good question to ask the following; I've been using matri...

10 years ago | 2 answers | 0

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answers

Question


Using electronic sensors to control motors using matlab/simulink; possible?
Hey, got a general question regarding MATLAB and/or simulink which I'm hoping someone here will be able to help me with. (I'll s...

10 years ago | 1 answer | 0

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answer

Question


Drawing on a m-file via the command window; possible?
Hey, so I've created an m-file but there's far too many outputs that I don't need all the time for me to be happy with. However ...

10 years ago | 2 answers | 0

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answers

Question


fprintf Multiple Lines?
Is there a way to print multiple lines to the command window (like fprintf does for single lines) without using fprintf at the s...

10 years ago | 3 answers | 2

3

answers

Question


Integrating A Vector (Or rather a series of point values)
Firstly I wish to apologise as I know there's a section of the matlab documentation / help files. However I've tried following i...

10 years ago | 2 answers | 0

2

answers

Question


Derive equation from set of data
I feel rather silly asking this as I'm sure it's extremly simple and that I'm missing a button or something but can't find the a...

10 years ago | 1 answer | 0

1

answer

Question


fprintf repeat
Hey I'm trying to do something... and I don't know if it's possible :s I'm currently drawing on subfunctions and showing the ...

10 years ago | 1 answer | 0

1

answer

Question


Defining inputs for subfunctions
Hey, I'm writing some code that involves using set inputs (that I want to be able to change easily) in multiple subfunctions....

11 years ago | 1 answer | 0

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answer

Question


Issue With Integration Output
I'm thinking this is a basic problem, but can't find an answer anywhere and have been unable to resolve it myself :/ When I i...

11 years ago | 1 answer | 0

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Question


While Loop
I'm trying to get a loop inplace which changes the input until the output is met. For example, if b=3*n and I want b to be great...

11 years ago | 1 answer | 0

1

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Question


Symbolic Solver Question
Hey, quite new to MATLAB so sorry if this is a very rookie issue :/ Also tried searching for it but couldn't see it, sorry if it...

11 years ago | 1 answer | 0

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