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Eyal Ben-Hur


Last seen: 2 months ago |  Active since 2016

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Ph.D. in Ecology

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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...

6 years ago

Answered
Random walk or stepping
Here is a suggestion: A = zeros(5); % the matrix p ={2,2}; % initial location A(p{:}) = 1; % set initial location N = 20; % ...

6 years ago | 0

| accepted

Solved


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...

7 years ago

Answered
Setting a title for a legend
I found the answer after some research of the undocumented properties of the legend. The most direct answer to the problem in th...

7 years ago | 4

| accepted

Question


Setting a title for a legend
The following code is the most minimal example that I could find. My true case is much more complicated: x = 1:0.1:10; y...

8 years ago | 3 answers | 1

3

answers

Submitted


nCk(n,k)
Vectorized version of nchoosek function for multiple k's

8 years ago | 1 download |

Submitted


Zoom in on figure
Add a zoom-in pan on a figure

8 years ago | 1 download |

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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 ...

8 years ago

Solved


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...

8 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 ...

8 years ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

8 years ago

Solved


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

8 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...

8 years ago

Solved


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

8 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 ...

8 years ago

Solved


Free passes for everyone!
THIS PROBLEM IS TEMPORALLY DECOMMISSIONED WHILE IT IS UPDATED. PLEASE WAIT _Simply return the name of the coolest numerical c...

8 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:...

8 years ago

Solved


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

8 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...

8 years ago