解決済み

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

約1年前

解決済み

Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

約1年前

解決済み

Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

約1年前

解決済み

Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

約1年前

解決済み

Converts numbers into characters
Converts numbers into characters

約1年前

解決済み

Find the max element of the array
Find the max element of the array

約1年前

解決済み

Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

約1年前

解決済み

Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

約1年前

解決済み

to the 2 all elements
to the 2 all elements

約1年前

解決済み

the average value of the elements
Calculate the average value of the elements in the array

約1年前

解決済み

Double all elements in the array
Duplicate all elements in the array

約1年前

解決済み

calculate the length of matrix
input 1 array, calculate the length

約1年前

解決済み

Draw a '0' in a one matrix!

約1年前

解決済み

Energy Conversion 2

約1年前

解決済み

Energy Conversion 1

約1年前

解決済み

Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.

約1年前

解決済み

Area Conversion 2

約1年前

解決済み

Area Conversion 1

約1年前

解決済み

Mass Conversion 2

約1年前

解決済み

Mass Conversion 1

約1年前

解決済み

Temperature Conversion 3
Given a temperature in Celcius, convert it to Fahrenheit.

約1年前

解決済み

Temperature Conversion 2

約1年前

解決済み

Temperature Conversion 1

約1年前

解決済み

String Logic 19
Examples: 'DIG' --> 'I' 'IMPORTANT' --> 'MOTN' 'DEAL' --> 'EL' 'LIMB' --> 'IB' 'MOSTLY' --> 'OTY'

約1年前

解決済み

Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

約1年前

解決済み

Energy of a photon
&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883 Given the frequency F of a photon in giga hertz. Find energy E of this photon...

約1年前

解決済み

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

約1年前

解決済み

sum of non-primes
The sum of the non-primes no larger than 10 is 1+4+6+8+9+10=38 Find the sum of all the positive non-prime integers that do no...

約1年前

解決済み

subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

約1年前

解決済み

Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

約1年前