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Benjamin


University of Oregon

Active since 2012

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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...

7 years ago

Solved


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...

7 years ago

Answered
how do I copy existing subplots and aggregate them into larger subplots
One way is to use getframe() and then plot the 2 frames as images side-by-side. Of course you will not be able to further edit t...

8 years ago | 0

Answered
Merging adjacent cells in a cell array and applying rules to remove entries
I'm sure there is a more efficient way, but this gets the job done: a = {[-2, -1], [1, -2]; [1, -2], [2]; [1, -2, -1], [1...

8 years ago | 0

Answered
Matlab: Text files, Read header lines and Cell references
The problem is that you're trying to referencing tLine as a cell array, but it's a string since you use fgetl, which returns a s...

8 years ago | 0

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Simply entering the debugger during execution of MATLAB GUI fixes error that persists during normal execution
I'm using a programmatic GUI in MATLAB which uses multiple figure windows. When I press the button in Window 1, Window 2 is crea...

8 years ago | 1 answer | 0

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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...

10 years ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

10 years ago

Solved


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...

10 years ago

Solved


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 ...

10 years ago

Solved


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

10 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 ...

10 years ago

Solved


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...

10 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

10 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 ...

12 years ago

Solved


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...

12 years ago

Solved


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

12 years ago

Solved


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:...

12 years ago