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cross in array
Make a cross from "1" in odd size array. Other value from array should be equal to "0"; As input you get length of side of arra...

1 year 前

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angle in regular polygon
Make a function which returns measure of interior angle in x-side regular polygon. x is as input. Please pay attention, that 1 ...

1 year 前

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Basic commands - rounding
make a function which will round to integer, which is nearer to zero. Example x=[-2.5 2]; y=[-2 2];

1 year 前

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Sudoku square
We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

1 year 前

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

1 year 前

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

1 year 前

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Average Grade
Given a 1x5 vector presents the grades of a student on five tests. Calculate the average grade of that student.

1 year 前

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Create a square matrix of zeros of even order
Create a square matrix of zeros of even order

1 year 前

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calculate the tangent of angle in radians
Calculate the tangent of angle in degrees

1 year 前

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Travel time
Calculate the time (in hours) it takes a car traveling at a given uniform speed of s km/hour to travel a distance of d km. For i...

1 year 前

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Function substitution (2)
Evaluate the function for the given values of the variables N and t

1 year 前

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Function substitution (1)
Evaluate the function for the given values of the variables N and t

1 year 前

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Array Concatenation (2)
Given two matrices, a and b, concatenate the two matrices vertically, i.e., the number of rows of the result should be equal to ...

1 year 前

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Mathematical formula
Find the value of the expression given the values of variables t and k. Assume g=9.81

1 year 前

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Array Concatenation (1)
Given two matrices, a and b, concatenate the two matrices horizontally, i.e., the number of columns of the result should be equa...

1 year 前

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High school cafeteria
Given an input vector of positive integers, return a row vector with the primes first (in increasing order) and the composites n...

1 year 前

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Volume of a sphere given its surface area
You just measured its surface area, that is the input.

1 year 前

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Palindrome Checker
Check to see if a given string is a palindrome (a word, phrase, or sequence that reads the same backward as forward). Output sh...

1 year 前

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Convert RGB to Grayscale
Convert a 3 element RGB array to its correspoding grayscale pixel (a scalar) *Hint: a formula exists!

1 year 前

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Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

1 year 前

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Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

1 year 前

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Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

1 year 前

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Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

1 year 前

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Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

1 year 前

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Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

1 year 前

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Back to basics 14 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

1 year 前

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Get the elements of diagonal and antidiagonal for any m-by-n matrix
In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

1 year 前

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Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The values of B are in the same order a...

1 year 前

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Project Euler: Problem 5, Smallest multiple
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smalle...

1 year 前

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Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime numb...

1 year 前