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...

12 years ago

Solved

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

12 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...

12 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...

12 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...

12 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 ...

12 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...

13 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 ...

13 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...

13 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...

13 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 ...

13 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...

13 years ago | 1 answer | 0

1

answer

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 = ...

13 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...

13 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 ...

13 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".

13 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...

13 years ago

Solved

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

13 years ago

Solved

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

13 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...

13 years ago

Solved

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

13 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 ...

13 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...

13 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:...

13 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. ...

14 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...

14 years ago | 4 answers | 1

4

answers

Answered
[DISCONTINUED] 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...

14 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...

14 years ago | 2 answers | 0

2

answers

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...

14 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...

14 years ago | 0

| accepted