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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...

alrededor de 8 años hace

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

alrededor de 8 años hace

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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...

alrededor de 8 años hace

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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. Examp...

alrededor de 8 años hace

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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...

alrededor de 8 años hace

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Can someone help me filling holes in the image attached and make it a perfect binary image with all holes filled?
You might want to have a look at binary morphological operators like opening and closing: https://www.cs.auckland.ac.nz/course...

alrededor de 8 años hace | 0

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Implement a ROT13 cipher
Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

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How can I convert this for if loop into a while loop?
x=6*rand(1,10)+2 i = 1; while i<11 if i<5 x(i)=-1; elseif i>=5 && i<8 x(i)=1; else ...

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How to round the decimal?
You might want to check out this function for that: <https://nl.mathworks.com/matlabcentral/fileexchange/26212-round-with-sig...

más de 8 años hace | 1

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Unable to find explicit solution using solve function
You might want to have a look at the productlog function to get an analytic solution without solve. You could fill in the genera...

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How can I get the weight of object in image ?
For that you would need to estimate the volume and know the density of the food. That doesn't really have a trivial solution.

más de 8 años hace | 0

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Distance a ball travels after throwing vertically
Calculate the total distance *'d'* (in meters) a ball would travel after *'s'* seconds and starting velocity of *'v'* (in m/s). ...

casi 11 años hace

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Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

casi 11 años hace

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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...

casi 11 años hace

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

casi 11 años hace

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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".

casi 11 años hace

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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 ...

casi 11 años hace

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

casi 11 años hace

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radius of a spherical planet
you just measured its surface area, that is the input.

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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...

casi 11 años hace

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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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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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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...

casi 11 años hace

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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:...

casi 11 años hace