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PeterB


Last seen: 대략 3년 전 |  2017년부터 활동

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how do I find where a function is defined (equivalent of "which" command in bash)
When I start Matlab on one of my work machines, I get the message: "Warning: Function count has the same name as a MATLAB built...

3년 초과 전 | 답변 수: 2 | 0

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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...

5년 초과 전 | 답변 수: 1 | 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...

대략 7년 전

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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...

대략 7년 전

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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...

대략 7년 전

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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...

대략 7년 전

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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...

7년 초과 전 | 답변 수: 1 | 0

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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...

7년 초과 전 | 답변 수: 0 | 0

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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...

7년 초과 전 | 답변 수: 0 | 1

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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

7년 초과 전 | 0

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Practical 1, Question 2b (incomplete)
See practical_1.pdf, question 2. Currently incomplete!

7년 초과 전 | 0 | 솔버 수: 4

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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...

7년 초과 전

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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...

7년 초과 전

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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 ...

7년 초과 전

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

7년 초과 전

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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 ...

7년 초과 전

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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...

7년 초과 전

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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 ...

7년 초과 전

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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...

7년 초과 전

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

7년 초과 전

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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.

7년 초과 전

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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...

7년 초과 전

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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.

7년 초과 전

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

7년 초과 전

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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...

7년 초과 전

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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...

7년 초과 전

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Create matrix of replicated elements
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

7년 초과 전

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Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

7년 초과 전

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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:...

7년 초과 전