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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...

8 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...

8 years ago

Solved

Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

8 years 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. Example...

8 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 ...

8 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

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

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

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

9 years ago

Solved

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 ...

9 years ago

Question

Divide by zero protection in generated Simulink code

I'm trying to understand what kind of protection I can get against division by zero, both at the model level and in the C/C++ co...

9 years ago | 1 answer | 0

Solved

Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

9 years ago

Solved

Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

9 years ago

Solved

It's race time! Write a faster function than the test suite call of unique().

Write a function to get unique elements of a vector faster than unique()! Input will be a vector (of integers or floating point ...

9 years ago

Solved

The Hitchhiker's Guide to MATLAB

Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

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

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...

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

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

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

Answered

quit doesn't close the program - process still running in task manager

Splitting my script into two, with the first one handling a lot of code generation and ending with a quit, always worked fine. ...

quit doesn't close the program - process still running in task manager

Splitting my script into two, with the first one handling a lot of code generation and ending with a quit, always worked fine. ...

10 years ago | 1

| accepted

Question

quit doesn't close the program - process still running in task manager

When I run the quit command in the command window or in a script, the application appears to close, but opening the Task Manager...

10 years ago | 4 answers | 1

Answered

Wish-list for MATLAB Answer sections.

When using search, you can sort by date answered/asked, and number of answers/votes, but you can't sort by how relevant the ques...

Wish-list for MATLAB Answer sections.

When using search, you can sort by date answered/asked, and number of answers/votes, but you can't sort by how relevant the ques...

10 years ago | 2

Question

Automate SFunction generation - Simulink workflow

Hi, I've got a subsystem block that I'm generating an SFunction of, which I'm then using in a model. How do I automate the...

10 years ago | 2 answers | 0

Answered

take the real data type of parameters from the Simulink model

In the Simulink model use a Data Type Conversion block. It's in Commonly Used Blocks. When I've wrestled with this I found it...

take the real data type of parameters from the Simulink model

In the Simulink model use a Data Type Conversion block. It's in Commonly Used Blocks. When I've wrestled with this I found it...

10 years ago | 0

Answered

SystemTest's Limit Check throws an error as the variable being tested on is empty. How do I get this LimitCheck working?

Within SystemTest the order of execution corresponds to the order of elements within each of Pre/Main/Post test. So a LimitCheck...

SystemTest's Limit Check throws an error as the variable being tested on is empty. How do I get this LimitCheck working?

Within SystemTest the order of execution corresponds to the order of elements within each of Pre/Main/Post test. So a LimitCheck...

10 years ago | 0

| accepted