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System of equations
Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

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N-Queens Checker
Picture a chessboard populated with a number of queens (i.e. pieces that can move like a queen in chess). The board is a matrix,...

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collision
several cars (n) were involved in this collision, the input matrix (vm) has n rows and two columns, first column for velocity an...

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Calculate distance travelled when given radius and rotations
When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

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Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

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Construct a string from letters and counts
Given two input arrays like this: [5,3,1] ['a','b','c'] Output a string that contains each letter the specified num...

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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-...

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Determine the mean of matrix
Determine the mean of matrix without using mean function Hint: use simple algorithm

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Square Diagonal
If n is the given number, then make a diagonal matrix of size 2*2 with the square of that number.

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factorial of a number x
Factorial of a number x

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Remove the positive integers.
Given array,x, remove all the positive numbers and display ouput as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

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Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

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Back to Basics - Find no. of elements in a matrix?
Let A be a m*n matrix. Find the total no. of elements in A ? (Hint - formula based) A = [1 2 3;4 5 6]; output = 6

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prime test
find largest 2 digit prime number

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Sum of the Multiplication of Vectors
Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...

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construct matrix with identical rows
Input a row vector such as x=1:10. Now we need to construct a matrix with L rows,of which every row vector is a copy of x. E...

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Cody Matlab Version
What is the current Cody Matlab Release? *Output:* string *Examples:* '(R2012a)' or 'R2012a' Hint: We have mo...

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2倍してみよう - ここからスタート！
初めにこの問題を試してみよう。 入力としてxを与え、それを2倍して結果をyに代入せよ。 Examples: Input x = 2 Output y is 4 Input x = 17 Output y is 34 ...

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UICBioE240 2.1
This will be useful later in the course, in conjunction to clc and clear all, what is the command to close all figure windows th...

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Summation of array
Given an array, Find the sum of all of the elements in it Examples: Input x = [1 2 3 5; 4 5 6 7]; Output y is 33

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Area of a disk
Find the area of a disk or circle. x= radius of the disk.

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Write a code that will follow the equation y = x * (x + x) * x.
If x = 5, y = 5 * (5+5) * 5 = 250

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Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Example: in = magic(5) in = 17 24 1 8 15 23 5 7 14 16 4 6 13 20 ...

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Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

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Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

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UICBioE240 problem 1.3
Find the length of a vector. So if A = [1 1 1 1 1] Then B = 5

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Better bullseye matrix
<http://www.mathworks.com/matlabcentral/cody/problems/18-bullseye-matrix Problem 18> asks to create a bullseye matrix like this:...

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Given a matrix, return the last eigen value
Given a matrix, return the first eigen value For example: x = magic(5) 17 24 1 8 15 23 5 7 14 ...

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Sum the elements in either diagonal of a square matrix
Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal. (Include all elements that are part ...

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Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

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