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Joshua Levin Kurniawan


Last seen: 5 days ago |  Active since 2022

Followers: 3   Following: 0

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Hello, my name is Levin, I am a Flight Mechanics Engineer and a final year Aerospace Engineer student who specialized in MATLAB, Simulink, and C programming. Currently, I am interested in control, unmanned aerial vehicles, and their application topics.

Programming Languages:
C
Spoken Languages:
English
Pronouns:
He/him
Professional Interests:
Control Design, Control Systems, Aerospace Engineering, Aerospace and Defense

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Answered
How to validate that one datetime is greater than another
You can use traditional logical operator for datatime. Operator "<", if true, means that the first datatime will occurs sooner t...

5 months ago | 0

Question


Using fmincon to optimize Simulink model for optimal trajectory
Hello, so i want to search for optimal trajectory (by defining spline) position input to the Simulink Simscape Multibody model t...

5 months ago | 1 answer | 0

1

answer

Solved


Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

5 months ago

Solved


QWERTY Shift Encoder
Encode a string using the QWERTY shift code. This code is where you touch type but are offset by one character to the right. O...

5 months ago

Solved


Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...

5 months ago

Solved


Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

5 months ago

Solved


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

5 months ago

Solved


Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

5 months ago

Solved


Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

5 months ago

Solved


Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given number of...

5 months ago

Solved


Pi Digit Probability
Assume that the next digit of pi constant is determined by the historical digit distribution. What is the probability of next di...

5 months ago

Solved


radius of a spherical planet
You just measured its surface area, that is the input.

5 months ago

Solved


Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

5 months ago

Solved


Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

5 months ago

Solved


Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not count...

5 months ago

Solved


Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

5 months ago

Solved


Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

5 months ago

Solved


Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

5 months ago

Solved


Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

5 months ago

Solved


Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

5 months ago

Solved


MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

5 months ago

Solved


MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

5 months ago

Solved


MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

5 months ago

Solved


MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

5 months ago

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

5 months ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

5 months ago

Solved


Create a vector
Create a vector from 0 to n by intervals of 2.

5 months ago

Solved


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

5 months ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

5 months ago

Solved


Find max
Find the maximum value of a given vector or matrix.

5 months ago

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