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# luffy wang

Last seen: 6日 前 2020 以来アクティブ

Programming Languages:
Python
Spoken Languages:
English

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Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

7日 前

Covering area
As an extension of the problem <http://www.mathworks.com/matlabcentral/cody/problems/416-polygon-area>, find the area, bounded b...

8日 前

Are you in or are you out?
Given vertices specified by the vectors xv and yv, and a single point specified by the numbers X and Y, return "true" if the poi...

8日 前

Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

9日 前

Draw a '6' in a zero matrix!

9日 前

Draw a '9' in a zero matrix!

9日 前

Draw a '7' in a zero matrix!

9日 前

Draw a '8' in a zero matrix!

9日 前

Draw a '5' in a zero matrix!

9日 前

Draw a '4' in a zero matrix!

9日 前

Draw a '3' in a zero matrix!

9日 前

Draw a '2' in a zero matrix!

9日 前

Draw a '1' in a zero matrix!

9日 前

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;...

9日 前

Converts numbers into characters
Converts numbers into characters

9日 前

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

9日 前

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

9日 前

to the 2 all elements
to the 2 all elements

9日 前

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

9日 前

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

9日 前

Draw a '0' in a one matrix!

9日 前

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

9日 前

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

9日 前

SatCom #5: Determine Elliptical Orbit Parameters
*Satellite and Space Engineering - Problem #5* _This is part of a series of problems looking at topics in satellite and space...

9日 前

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 ...

9日 前

SatCom #2: Gain of a circular 'dish' antenna
Satellite and Space Engineering - Problem #2 This is part of a series of problems looking at topics in satellite and space comm...

9日 前

Compute the missing quantity among P, V, T for an ideal gas
Consider 100 mol of helium gas at a certain pressure (P), volume (V), and temperature (T). Assuming that the ideal gas law appli...

9日 前

Calculate Engine Power
Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm

9日 前

SatCom #4: Satellite Orbit Altitude
Satellite and Space Engineering - Problem #4 This is part of a series of problems looking at topics in satellite and space comm...

9日 前