已解决

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?

2 years 前

已解决

Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

2 years 前

已解决

Sum of series VIII

2 years 前

已解决

Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

2 years 前

已解决

Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

2 years 前

已解决

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

2 years 前

已解决

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...

2 years 前

已解决

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;...

2 years 前

已解决

Converts numbers into characters
Converts numbers into characters

2 years 前

已解决

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

2 years 前

已解决

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

2 years 前

已解决

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

2 years 前

已解决

to the 2 all elements
to the 2 all elements

2 years 前

已解决

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

2 years 前

已解决

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

2 years 前

已解决

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

2 years 前

已解决

Draw a '0' in a one matrix!

2 years 前

已解决

Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

2 years 前

已解决

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

2 years 前

已解决

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

2 years 前

已解决

How long do each of the stages of the rocket take to burn?
A space rocket has 3 stages: - stage 1, s1; - stage 2, s2; - stage 3, s3. If s1 burns 3 x as long as s2 which burns ...

2 years 前

已解决

Current through resistor
Three resistors (R2, R3, R4) are connected in parallel as shown in the figure. If this combination is connected in series with ...

2 years 前

已解决

Calculate Parallel Resistance
Three resistors connected in parallel have resistances R1, R 2, and R 3, respectively. Return the total resistance R total of ...

2 years 前

已解决

Resistance of a light bulb
The current through two identical light bulbs connected in series is C Amperes. The total voltage across both bulbs is V Volts....

2 years 前

已解决

Electrical Diode Current Calculation
In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

2 years 前

已解决

An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

2 years 前

已解决

Force and Motion 3
Two robots push on a large object in the same direction. One robot pushes with a force of F1 Newtons and the other with a force...

2 years 前

已解决

Force and Motion 2
Two robots are pulling on an object in opposite directions. One robot pulls with a force of F1 Newtons and the other with a forc...

2 years 前

已解决

How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

2 years 前

已解决

Who has power to do everything in this world?
There is only one person who is older than this universe. He is Indian version of Chuck Norris.

2 years 前