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Rotate matrix by -90 degrees
Rotate a Matrix by -90 degrees Example: X = 1 2 3 4 5 6 7 8 9 output = 7 4 ...

3 years ago

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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

3 years ago

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Find the largest number
Find the largest number |x| among 4 numbers given as variables |a|, |b|, |c|, and |d|. Example: Input: a = 4; b = 7; c ...

3 years ago

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07 - Common functions and indexing 2
Define _eMat_: <<http://samle.dk/STTBDP/Assignment1_3e.png>> Calculate eMean as the mean across the rows of _eMat_. The an...

3 years ago

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03 - Matrix Variables 1
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3a.png>> A 9x9 matrix full of 2's (Hint: use *ones* o...

3 years ago

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05 - Vector Equations 2
Define the vectors _aVec_ and _bVec_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http://samle.dk/STTBDP/Assig...

3 years ago

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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 ...

3 years ago

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Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

3 years ago

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

3 years ago

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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.

3 years ago

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Vertical matrix sort
Given a matrix x with n rows and m columns, return a matrix y with 2n rows and m columns, such that every column in x is sorted ...

3 years ago

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Back to basics 5 - Clipboard
Covering some basic topics I haven't seen elsewhere on Cody. Copy the input string to the clipboard

3 years ago

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How many Integers?
Count the integers in a given vector |v|. You *must* use a loop to count each element separately. Examples: Input: v...

3 years ago

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Horizontal matrix sort
Given a matrix x with n rows and m columns, return a matrix y with n rows and 2m columns, such that every row in x is sorted fro...

3 years ago

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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 ...

3 years ago

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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

3 years ago

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length of a vector
Find twice the length of a given vector.

3 years ago

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Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

3 years ago

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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 ...

3 years ago

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So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

3 years ago

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

3 years ago

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Test
Answer the question and the correct answer write in vector. Only one answer is correct. 1a Yes 1b No 1c No 1d No ...

3 years ago

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Test of Quiz
Answer the questions and write in vector. Only one answer is correct. The founder of fuzzy logic is 1a) D. Golberg 1b)...

3 years ago

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

3 years ago

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Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...

3 years ago

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Matlab Basics II - Find the roots of a function
Write a function that finds where a curve crosses zero (the x-axis) to two decimal places Example: <<http://s14.postimg.o...

3 years ago

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Matlab Basics - Logical Tests I
Write a script to test whether a year number is for a leap year or not. eg. x = 1884 output = 1 eg. x = 3 output = 0

3 years ago

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Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

3 years ago

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Convert degrees to radians
Given input in degrees, output to radians

3 years ago

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Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

3 years ago