Question

Matlab from command line (-nodisplay -nojvm) segmentation violation on exit, on Mac OS

Certain programs crash when I try to exit them from the command line (or call them within Python). (The weird thing is I have no...

1 year ago | 1 answer | 0

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5th Time's a Charm

Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

3 years ago

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Acid and water

Assume that there is a 100 liter tank. It is initially filled with just distilled water. It is continuously drained at R...

3 years ago

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Number of Even Elements in Fibonacci Sequence

Find how many even fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

3 years ago

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The 5th Root

Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

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Question

mrdivide undocumented feature?

I have A = [0 1 ; 3 2] and B = [1 2]. For A / B, I get [0.4 ; 1.4], which is a least squares solution. Here is my problem: wher...

3 years ago | 1 answer | 0

Question

How to resend an invitation in Cody Coursework

In Cody Coursework, one of my students needs their invitation re-sent. According to this help page: https://au.mathworks.com/hel...

3 years ago | 0 answers | 0

Question

How do I invite students to Cody Coursework without using their emails

According to this page http://au.mathworks.com/help/coursework/ug/invite-students.html , the only way to invite students is to c...

3 years ago | 0 answers | 1

Answered

Why am I not able to play videos on the MathWorks website?

why not just put them on Youtube? my device won't play your videos but does play Youtube

Why am I not able to play videos on the MathWorks website?

why not just put them on Youtube? my device won't play your videos but does play Youtube

3 years ago | 0

Problem

Practical 1, Question 2b (incomplete)

See practical_1.pdf, question 2. Currently incomplete!

3 years ago | 0 | 4 solvers

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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...

3 years ago

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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...

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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 ...

3 years ago

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Pizza!

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Find the sum of all the numbers of the input vector

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3 years ago

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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...

3 years ago

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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

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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...

3 years ago

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Determine if input is odd

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

3 years ago

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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...

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Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

3 years ago

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Distance walked 3D

suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...

3 years ago

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Replace May with April

For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

3 years ago

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Create matrix of replicated elements

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3 years ago

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Matlab Basics - Create a row vector

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3 years ago

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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