Armando Longobardi

Active since 2021

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Mechanical engineer

Programming Languages:
MATLAB
Spoken Languages:
English, Italian

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Calculate the peak value of square wave
Given the peak value of sine wave, calculate corresponding peak value of square wave, if both have same RMS voltage.

5 days ago

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Given the mass and stiffness of an undamped SDOF system, find the natural frequency and the natural period of vibration
Problem Statement Given the mass and stiffness of an undamped SDOF system, find the system's natural frequency in both Hz and...

5 days ago

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Vectorizing, too easy or too hard?
Please insert a . before any ^, * or / in the string. That's it!!

6 days ago

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Trickier Timing
You solution should return control to main program only when the current time ends in either a 5 or 0 (e.g. the current seconds ...

6 days ago

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Tricky timing
Write a function that takes between 0.5 seconds and 0.6 seconds to run.

6 days ago

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Distance walked 3D
suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...

6 days ago

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Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

6 days ago

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Find Index of maximum Value and maximum Value of a vector
Find the Index of the first occurrence of the maximum value in a vector and also the maximum value in the vector. Example: [...

6 days ago

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Forward Substitution
Solve a lower triangular linear set of equations as described in the following link: http://www.people.virginia.edu/~teh1m/cody/...

6 days ago

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Pi Estimate 2
Estimate Pi as described in the following link: http://www.people.virginia.edu/~teh1m/cody/Pi_estimation2.pdf

6 days ago

Solved

Linear system solve
Solve a linear set of equations as described in the following link: http://www.people.virginia.edu/~teh1m/cody/linsolv1.pdf

6 days ago

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ICFP 2024 Programming Contest June 28 thru July 1
This is to announce the annual ICFP programming contest for 2024. The ICFP 2024 homepage link is ICFP 2024 . Registration will...

6 days ago

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Find the function 2
Given a set of point (x,y) and the coordinate x of a new point, find the y value of new point. Test Suite is based on only one ...

6 days ago

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Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

6 days ago

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ASCii Code
Using matlab, give the symbol that is associated with ASCii code 122

6 days ago

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ASCii Code
Using Matlab get the ASCii for '?'

6 days ago

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Cos Function
x is the abscissa. find the absolute value of cosine of -x and the same value with changed sign.

6 days ago

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Variable_Addition
be able to add any variable to the number one

6 days ago

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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.

6 days ago

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Rotate a matrix for 180 degree
Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

6 days ago

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Box!
Given a box, find the volume of the cube. With each side = a.

6 days ago

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Find and replaces spaces from a input string with *
For a given input string str, find how many spaces are there in the string and replace those spaces with * e.g. str = 'this is ...

6 days ago

Solved

Poly2mask, drawpolygon or patch
Recently, I tried to plot a polygon in matlab, and I found there is a lot of embedded function that can be used. However, some f...

6 days ago

Solved

Dice face matrix!
This is dice simulator, but instead of making a random die number, you will receive an "pre-rolled" number in and spit out a mat...

13 days ago

Solved

Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

14 days ago

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Next Higher Power of B
|Given a number _n_ and a base _B_ greater than 1, return the lowest integer power of _B_ that is greater than or equal to _n_. ...

14 days ago

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Build the Well
Calculate the total time taken for building 'n' wells given : Worker A takes a hr to build the well alone Worker B takes b hr...

14 days ago

Solved

Bag of apples
find probabilty of getting red apples from a bag of 'r' red and 'g' green apples.

14 days ago

Solved

Alternate Arrangement
Determine the ways of arranging 'm' men and 'w' women alternatively in a row of 's' seats. Assumptions : s<m and s<w

14 days ago

Solved

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

14 days ago

Armando Longobardi

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