# Rowan Lawrence

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**Content Feed**

Question

Separating "Binary" Masks Into Separate Files

Hello! I have a number of participants each of which have binary masks in NIFTI / .nii files for 14 different brain structures i...

4 månader ago | 1 answer | 0

### 1

answerSolved

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]; ...

mer än 3 år ago

Solved

Determine if input is odd

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

mer än 3 år ago

Question

MEX - 'Initialization From Incompatible Pointer Type' Warning

Hello, I'm learning basic MEX programming and have been writing some utility functions over the last couple of days. I noticed ...

mer än 3 år ago | 1 answer | 0

### 1

answerQuestion

Strange MEX Compile Issue

I am currently using MATLAB 2019a (Research Licence) and am writing some MEX utility functions. I have finished a couple of scr...

mer än 3 år ago | 0 answers | 0

### 0

answersSolved

Find the numeric mean of the prime numbers in a matrix.

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

mer än 3 år ago

Question

Combine Multiple Tokens to Match Using regexp

Hello, I need to match two single quotes in a string using regexp(); unless I missed it in the official documentation, I have on...

mer än 3 år ago | 1 answer | 0

### 1

answerSolved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

mer än 3 år 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...

mer än 3 år ago

Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

mer än 3 år 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 ...

mer än 3 år 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...

mer än 3 år 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:...

mer än 3 år ago

Question

Using the Mod Function to Turn a Vector (i.e. 1:15) into [1, 2, 3, 1, 2, 3, 1, 2, 3] etc.

I'm currently reading through the book MATLAB for Clinical and Cognitive Scientists by Mike Cohen. In the book, he mentions a 'n...

nästan 4 år ago | 4 answers | 0

### 4

answersQuestion

Is there an equivalent to the '+=' operator in MATLAB?

Hello, When I've programmed in C and C++ before I've used the '+=' operator, which is a shorthand way of adding a given value ...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

Any way to use British spellings for function calls and arguments?

This is really a very minor gripe, but the amount of times I'll be typing out several lines of code or several subplots and run ...

nästan 4 år ago | 3 answers | 0

### 3

answersQuestion

Difference between clear var and clear var*

Hi all, This will probably be a very straightforward question but I can't get to the bottom of it. I just started reading Mike...

ungefär 4 år ago | 1 answer | 0