# Armando Longobardi

Mechanical engineer

**Programming Languages:**

MATLAB

**Spoken Languages:**

English, Italian

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**Content Feed**

Solved

Spot the outlier

All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

1 day ago

Solved

Implement simple rotation cypher

If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

1 day ago

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How long is the longest prime diagonal?

Stanislaw Ulam once observed that if the counting numbers are arranged in a spiral, the prime numbers contained in it form a sur...

1 day ago

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Find the biggest empty box

You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

2 days ago

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Numbers spiral diagonals (Part 1)

Inspired by Project Euler n°28 et 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right...

3 days ago

Solved

Diagonal of a Spiral Matrix

Write a function that will return same output as diag(spiral(n)). The only exception is that spiral and diag functions are not a...

3 days ago

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Calendar Matrix

Return a calendar matrix for the given values of month and year. Assume that Sunday is the first day of the week. The resulting ...

3 days ago

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Rainbow matrix

Create a "rainbow matrix" as described in the following examples Input = 3 Output = [ 1 2 3 2 3 2 ...

3 days ago

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ZigZag matrix with reflected format

ZigZag MATRIX with REFLECTED format. We have only input x. We have to create a matrix in the following pattern. input n=5...

3 days ago

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Easy Sequences 4: Eliminate the Days of Confusion

If a date is written in purely numeric format some dates can be confusing, if we don't know the date format used. For example, "...

3 days ago

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Easy Sequences 3: Prime 44-number Squares

The positive integers 62 and 238 are related. Their squares (3844 and 56,644) both end in '44'. In fact, 62 and 238 are the 3rd ...

5 days ago

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Easy Sequences 2: Trigonometric function with integral input and output

The function 'F', defined as: , will always return an integer if the input is a natural number (in radian...

5 days ago

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Easy Sequences 1: Find the index of an element

The nth element of a series is defined by: . Obviously, the first element . Given the nth element , find the value of the corre...

5 days ago

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Linear Motion 7

A robot has a maximum rate of acceleration of a m/s2. If the robot starts from rest and reaches a velocity of v2 m/s. How far ha...

5 days ago

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Linear Motion 6

An experimental vehicle traveling at v1 m/s is brought to a full stop in t seconds. How far does it travel before stopping? Roun...

5 days ago

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Linear Motion 5

A robot moving down an incline for 3 seconds undergoes a uniform acceleration of a ft/s2. If the robot has an initial velocity o...

5 days ago

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Linear Motion 4

A robot accelerates at a rate of A ft/s2. Assuming the robot starts from rest how much time is required to reach an object loca...

5 days ago

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Linear Motion 3

Suppose a robot is moving in a straight line and steadily increases its speed. It moves from v1 ft/s to v1+2 ft/s in the first ...

5 days ago

Solved

Linear Motion 2

During testing in the desert, a remotely operated vehicle travels D kilometers over rough terrain. The testing takes place over...

5 days ago

Solved

Linear Motion 1

An object travels N feet in the first second of travel, N feet again during the second second of travel and N feet again during ...

5 days ago

Solved

Basic Mathematics 8

A robot is extending its arm and attempting to reach a game piece that is X” away and Yg ” off the ground. The base of the arm i...

5 days ago

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Basic Mathematics 7

Three generous robotics team mentors would jointly like to donate $N toward extra supplies. The second mentor is donating twice ...

5 days ago

Solved

Basic Mathematics 6

A High School is trying to build their robot to be able to reach the hanging object which is H inches from the ground. Their ro...

5 days ago

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Basic Mathematics 5

The total area of all four equal sections of the game field is N ft². Each section has a rectangle of dimensions X ft x Y ft re...

5 days ago

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Basic Mathematics 4

Team #1 is in first place but only one point higher than Team #2. The sum of their two scores is N. What are each team’s scores...

5 days ago

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Basic Mathematics 3

It was announced during a Robotics Competition kick off that two of the trickiest scoring objects are: soup cans, and beach ball...

5 days ago

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Basic Mathematics 2

If a 4’ x 8’ sheet of ½” plywood weighs W lbs and you cut an L” x L” robot base from this material, approximately how much weigh...

5 days ago

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Basic Mathematics 1

If a robot is traveling on a north heading at v1 inches per second and has the ability to only make N degree changes in directio...

5 days ago

Solved

Calculate supply voltage and total current

Three resistors are connected in series and each has a resistance in ohms. Resistor R2 has a voltage drop of ΔV2volts Find the ...

5 days ago

Solved

Resistance in a circuit

Two resistors with values of 6.0 ohms and 12 ohms are connected in parallel. This combination is connected in series with a 4 o...

6 days ago