Resuelto

Solve the system of equations.
_Ax=b_ * _A_ - square coefficient matrix * _b_ - right side column vector Find vecor _x_.

más de 7 años hace

Resuelto

Calculate the sum of elements of n*n Hilbert matrix.
Calculate the sum of elements of n*n Hilbert matrix. For example, for n=5: HilbertMatrix = [1.0000 0.5000 0.333...

más de 7 años hace

Resuelto

Recursion at variable input
input of any length a =2 b =2 c =3 output = (a^b)^c = 64

más de 7 años hace

Resuelto

Multiply two polynomials p and q given in in vector representation.
Multiply two polynomials p and q given in vector representation. Example p=[-2 0 1 -1 3 2] q=[1 0 -1 2 ...

más de 7 años hace

Resuelto

Calculate the values of a polynomial.
Calculate the values of a polynomial.Input parameter p - vector of polynomial coefficients, x - matrix of the argument values. ...

más de 7 años hace

Resuelto

Find the outcast
All pairs have the same difference except for one. Output the index of the latter Example: input =[0 1; 1 0; ...

más de 7 años hace

Resuelto

Encode Me From The Past
Given this input x = 2, 5, 1, 2, 4, 1, 1, 3 output should be (Five 2's, Two 1's, One 4, Three 1's) [2 2 2 2 2 1 1 4 1...

más de 7 años hace

Resuelto

Get derivarive of polynomial given as vector array.
Get derivarive of polynomial given as vector array. Example p=[ 1 2 0 5 0 3 ]; result=[ 5 8 0 10 ...

más de 7 años hace

Resuelto

Find max prime number
Given integer number n. Find the max prime number (mpn) that smaller than or equal to n. Example: n = 10 --> mpn = 7

más de 7 años hace

Resuelto

Add the odd numbers
Add only the odd numbers of x example: x = [1 2 3 4 5] the positive numbers are: 1 3 5, so their sum is 9

más de 7 años hace

Resuelto

Chicken Race
2 chickens, Pete and Fred, compete in a 100 meter race. Pete runs at a velocity of vp meter/second and Fred is slower, running ...

más de 7 años hace

Resuelto

Solve expression III
Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

más de 7 años hace

Resuelto

DC-DC boost converter
Find the output voltage of a DC-DC boost converter when its input voltage is 12V and the duty cycle ratio is 0.6.

más de 7 años hace

Resuelto

Find scalar product of two polynomials a and b, given as vector array.
Find scalar product of two polynomials given as vector array. Example a=[1 -1 2]; b=[2 4 1]; result=0

más de 7 años hace

Resuelto

Calculate correlation.
There are two data. y1=[0 1 2 3 4]' y2=[2 3 4 5 6]' We can see positive relationship between y1 and y2. The relations...

más de 7 años hace

Resuelto

Logarithm with base other than 'e'
The standard log() function in Matlab returns the natural logarithm (base equal to Euler's constant). Compute the logarithm for ...

más de 7 años hace

Resuelto

determine amount cookies left
started with 3 cookies and you never ate any how many are left

más de 7 años hace

Resuelto

Add the even numbers
Add only the even numbers of x example: x = [1 2 3 4 5] the positive numbers are: 2 4, so their sum is 6

más de 7 años hace

Resuelto

Reverse digits of a number
Reverse digits of a number. For example, return *321* for the input *123* . The left-hand zeros can be discarded. For exam...

más de 7 años hace

Resuelto

Weighted average
Compute the weighted average Y, of the vector A, given the weight vector W. The weighted average is the sum of the dot produc...

más de 7 años hace

Resuelto

Second smallest number
What is the second smallest number in x? example: x = [1 2 3 4 5 6 7 8 9] y = 2

más de 7 años hace

Resuelto

Create vector as shown in test cases
Create vector as shown in test cases

más de 7 años hace

Resuelto

Primes for Large N: 2^30, System Memory Limit
This Challenge is to further improve the "primes" function for speed/memory usage to the Limit of Cody Memory. The Matlab fun...

más de 7 años hace

Resuelto

Muphry's Law of MATLAB
You're running some simple multiplication problems through MATLAB for error checking purposes, but nothing seems to come up with...

más de 7 años hace

Problema

Muphry's Law of MATLAB
You're running some simple multiplication problems through MATLAB for error checking purposes, but nothing seems to come up with...

más de 7 años hace | 3 | 47 solvers

Resuelto

Pumpkin Pie!
It's time for desert at Thanksgiving. You've all gathered at grandma's house, and she's about to start cutting the pumpkin pie. ...

más de 7 años hace

Resuelto

How many days?!?
Christmas is coming earlier and earlier each year. Thanks to rampant commercialism and Christmas Creep, "The Twelve Days of Chr...

más de 7 años hace

Problema

How many days?!?
Christmas is coming earlier and earlier each year. Thanks to rampant commercialism and Christmas Creep, "The Twelve Days of Chr...

más de 7 años hace | 5 | 79 solvers

Resuelto

Amicable numbers
Test whether two numbers are <https://en.wikipedia.org/wiki/Amicable_numbers amicable>, meaning that the sum of the proper divis...

más de 7 años hace

Resuelto

The Google Interview: Two Eggs Problem
Consider the following problem, a popular Google interview question: A firm has invented a super-strong egg. For publicity pu...

más de 7 años hace