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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

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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".

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How can I reopen or re-run a GUI figure once I closed the window?
This is not normal behaviour. It sounds like there may be an infinite loop somewhere in your code. Does it say "busy" in the bot...

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Trying to run Gauss Siedel method, I have no idea where I'm going wrong in this code. I get an error of "Index exceeds matrix dimensions" Not sure how? Just need this to run Thanks
You have to pre-initialize x1, x2, x3, errorx1, errorx2 and errorx3. The index exceeds the matrix dimensions, because you index...

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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

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

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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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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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percentlabel
Converts axis tick labels and contour line labels to percentages

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digitizeImg
GUI for digitizing bitmap graphs.

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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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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

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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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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

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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...

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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...

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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...

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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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How do you make seven even?
Take away the s.

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How do you make seven even?
Take away the 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 displa...

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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 ...

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Write a function [M] = myMax(A), where M is the maximum value in an array A. Don't use the built-in MATLAB function max. Then write a function (M) = myNMax(A,N) where M is an array consisting of the N largest elements in A using the myMax function.
I'm assuming this is a homework assignment, so I won't give you a full answer. Here are some hints as to how you could do it: ...

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How do i set the axis labels to a specific size?
Try playing around with the XTick and YTick properties in the axes. You can save the XTick and YTick after creating the figur...

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Why does input() display this string improperly?
It must be a bug. It seems to be fixed in Matlab R2016b.

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workspacesize
Checks total workspace size (used RAM in GB) or that of certain variables

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