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I got an error to the part that used to work no problem. Why?
Hi Asuka, I see that you are working on MathWorks' "Object Tracking and Motion Detection with Computer Vision" course. For the...

4 meses hace | 0

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What is the origin of the discrepancy in binning caused by the built-in Freedman–Diaconis method in the histcounts function?
Hi Drew, I observe the same discrepancy as you have stated – the bin width for the Freedman-Diaconis rule implemented by MATLA...

4 meses hace | 0

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Pulse width modulation using simscape blocks
Hi Krishna, I understand you are seeing a straight line upon measuring through the “Voltage Sensor” block instead of the expec...

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Issue When Update to MATLAB R2024a
Hi Eric, It sounds like you are experiencing an issue with MATLAB installer where the "Yes" and "No" radio buttons are overlapp...

4 meses hace | 0

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VideoReader Motion JPEG 2000 format does not work
Hi Evan, I understand that when you are importing an MJ2 file using ‘VideoReader’, it works fine in MATLAB R2023b but gives b...

4 meses hace | 0

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Why circuit breaker in simulink/simscape is not working when open circuit condition?
Hi Arun, I replicated your model from the screenshot you posted. On running it, the simulation froze after the circuit breaker...

5 meses hace | 0

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How do I disable Simulink Toolstrip Actions in MATLAB R2023b?
The action names that show up in the MATLAB Command Window after you hover over an icon and press CTRL should be used as-is. Not...

alrededor de 1 año hace | 0

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Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = 2...

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

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Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

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Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

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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...

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Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

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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...

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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 displayed ...

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

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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 ...

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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:...

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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: Input...

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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 ...

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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.

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Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

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

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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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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...

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

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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...

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

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