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JdW


Active since 2012

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Global usage
This Challenge is to utilize Global variables. Global variables are risky as the subroutine may inadvertently and unwantingly...

mer än 11 år 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 ...

mer än 11 år 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:...

mer än 11 år 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...

mer än 11 år ago

Solved


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...

mer än 11 år ago

Solved


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...

mer än 11 år ago

Solved


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

mer än 11 år ago

Solved


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

mer än 11 år ago

Solved


Persistent Usage
This Challenge is to implement the Matlab Persistent variable capability. Given a sequence of Calls to a function return the ...

mer än 11 år ago

Question


Is EMLMEX in the student version of Matlab?
Is the function EMLMEX provided with the student version of Matlab? If no, which of the toolboxes should I buy together with the...

mer än 11 år ago | 1 answer | 0

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Solved


Poker Series 02: isQuads
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is to...

ungefär 12 år ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

ungefär 12 år 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 ...

ungefär 12 år 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 ...

ungefär 12 år 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...

ungefär 12 år ago

Solved


Number of Circles in a Number
Given a number, return the number of closed 'circles' in the base 10 numerical representation. Note: the number 4 has no circ...

ungefär 12 år ago