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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...

10 years ago

Question

Opening saved figures created using plotyy
I created some figures using plate and saved them as .fig files. Now, I'd like to modify the figures slightly, but they don't re...

10 years ago | 1 answer | 0

Question

read data from variables with names matching patterns
A student of mine saved a .mat file containing variables named x1, x2, ..., x50, y1, y2, etc. How can I write program that will...

11 years ago | 1 answer | 0

Question

error running mex on mac c-code
I'm trying to use a little bit of c-code in matlab. I'm running Matlab 2013B on OS X 10.8 and have Xcode 5.0. To figure this ou...

12 years ago | 0 answers | 1

Solved

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...

13 years ago

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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. Example...

13 years ago

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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...

13 years ago

Solved

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 ...

13 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...

13 years ago

Solved

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 ...

13 years ago

Question

Getting Mac Menubar in the right spot in 2012B
I just installed 2012B on a Mac, running Lion. I know that Matlab can now put its menus in the proper place in the mac menu bar,...

13 years ago | 1 answer | 0

Question

mlint across multiple functions in separate files
I use mlint a lot. I think it operates only on a single file. Suppose I have two functions foo.m which calls bar.m. I'd like ...

14 years ago | 2 answers | 0