Resuelto

Polynomial division
Divide a polynomial u by polynomial v and return the quotients only. Example: u = x^4+3*x^3+5*x+3 v = x^2+1 Answer: ...

casi 10 años hace

Resuelto

Additive persistence
Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

casi 10 años hace

Resuelto

Calculate circle's property
[A R]=function(r) r is radius, A is area of circles, R is circumference. A=pi*r^2 R=2*pi*r

casi 10 años hace

Resuelto

Extract area
There are observed data c and its location (x,y) x=1:0.1:10 y=1:0.1:10 % x and y are used as inputs [X,Y]=mesh...

casi 10 años hace

Resuelto

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...

casi 10 años hace

Resuelto

Calculate inverse matrix in square matrix
A=eye(3) Calculate inverse matrix of given input. B=function(A) ans = 1 0 0 0 1 0 ...

casi 10 años hace

Resuelto

How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

casi 10 años hace

Resuelto

Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

casi 10 años hace

Resuelto

Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

casi 10 años hace

Resuelto

Calculate cross product
Make function for cross product a=[1 3 2]; b=[2 4 1]; y=function(a,b) y=[-5 3 -2]

casi 10 años hace

Resuelto

Make random permutation
Make random permutation that consist of random number from 1 to n.

casi 10 años hace

Resuelto

Save variables
a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

casi 10 años hace

Resuelto

Solve the system of linear equations
4x - 2y +6z=8 2x + 8y +2z=4 6x + 10y +3z=0 Input is each coefficient of polynomial. For example, a=[4 ...

casi 10 años hace

Resuelto

Conduct inner product using given matrix
a=[1 2 3]; b=[3 4 5]; y=function(a,b) Output y should be 26

casi 10 años hace

Resuelto

Print true if
all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

casi 10 años hace

Resuelto

Freebies anyone? No!!!!
Feel free to copy paste all the tests and voila you solved the problem

casi 10 años hace

Resuelto

Try and Catch Simple Example
Try and Catch Simple Example <http://in.mathworks.com/help/matlab/ref/try.html Example> Vector x=[1 4 6 8 10]; Create...

casi 10 años hace

Resuelto

Back to basics 13 - Input variables
Covering some basic topics I haven't seen elsewhere on Cody. Return as a string the name of the input variable to the functio...

casi 10 años hace

Resuelto

Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

casi 10 años hace

Resuelto

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

casi 10 años hace

Resuelto

Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...

casi 10 años hace

Resuelto

Find max
Find the maximum value of a given vector or matrix.

casi 10 años hace

Resuelto

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

casi 10 años hace

Resuelto

Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

casi 10 años hace

Resuelto

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

casi 10 años hace

Resuelto

Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

casi 10 años hace

Resuelto

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

casi 10 años hace

Resuelto

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

casi 10 años hace

Resuelto

Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

casi 10 años hace

Resuelto

Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

casi 10 años hace