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David Hill


889 total contributions since 2017

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Solved


Find the Nth Root of a Given Number
Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

2 hours ago

Solved


Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

2 hours ago

Solved


Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

14 hours ago

Solved


Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

14 hours ago

Solved


Count consecutive 0's in between values of 1
So you have some vector that contains 1's and 0's, and the goal is to return a vector that gives the number of 0's between each ...

14 hours ago

Solved


find radius of cone
if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R) for example I=5,h=4 then the ans R=3;

19 hours ago

Solved


find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

19 hours ago

Solved


Building matrices
If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

19 hours ago

Solved


Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

19 hours ago

Solved


Counting down
Create a vector that counts from 450 to 200 in increments of 10.

19 hours ago

Solved


Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

19 hours ago

Solved


Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

19 hours ago

Solved


Generate a string like abbcccddddeeeee
This is the string version of Problem 1035. <http://www.mathworks.com/matlabcentral/cody/problems/1035-generate-a-vector-like-1-...

19 hours ago

Solved


Sum of integers numbers
Sum of the numbers from 1 to 100

20 hours ago

Solved


Hardy-Ramanujan number
Find the first Hardy-Ramanujan number.

20 hours ago

Solved


Interior angles
Find the sum of interior angles for polygon of x sides.

20 hours ago

Solved


prime test 2
enter the only non prime,non composite number

20 hours ago

Solved


prime test
find largest 2 digit prime number

20 hours ago

Solved


Reverse a matrix
Its simple. You have to reverse a given matrix.

20 hours ago

Solved


Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

20 hours ago

Solved


MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

20 hours ago

Solved


Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

20 hours ago

Solved


Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

20 hours ago

Solved


Determine if input is a valid AHP evaluation matrix
Input is a matrix. Output is a true or false statement (1 or 0). Return true if input is a valid Analytic Hierarchy Process eval...

3 days ago

Answered
Simpler way to write this scrip.
Time=0; balance=1000; while balance<10000 balance=500 + 1.05*balance; Time=Time+1; end display(Time);

3 days ago | 0

Answered
How Change Matrix Shape / Setting
This might not be the best way, but it works. C=[]; c=1; for k=2:2:size(val,3) B(:,:,c)=[val(:,:,k-1),val(:,:,k)];%horiz...

3 days ago | 0

Solved


Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

4 days ago

Solved


vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.

4 days ago

Solved


Bit Reversal
Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

4 days ago

Solved


Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

4 days ago

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