José Parera

Last seen: 21 days ago | Active since 2015

Followers: 0 Following: 0

Statistics

Feeds

Solved

Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

21 days ago

Solved

Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

21 days ago

Solved

Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return true if the triangle with sides a, b and c is right-...

21 days ago

Solved

Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? Image courtesy of Wikipedia.

21 days ago

Solved

Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

21 days ago

Solved

Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

26 days ago

Solved

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as y = A.ⅇ^(-λt)*cos(2πft) where A, λ, and f are scalars and t is a vector. ...

26 days ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

26 days ago

Solved

MATLAB 101: List Manipulation: Add and Remove
Create a MATLAB function that performs dynamic list operations on a cell array of strings. The function should accept the curren...

1 month ago

Solved

MATLAB 101: Conditional Product or Sum Calculator
Write a MATLAB function that accepts two integer numbers. If the product of the two numbers is less than or equal to 1000, retur...

1 month ago

Solved

MATLAB 101: University Department Data Analyzer
You are given an array containing the number of students in various academic departments of a university, along with a parallel ...

1 month ago

Solved

MATLAB 101: Fibonacci Sequence
The Fibonacci sequence is defined by the rule that each number is the sum of the two preceding ones. Sequence: 0, 1, 1, 2, 3, 5,...

1 month ago

Solved

MATLAB 101: Tribonacci Sequence
Each number in the Tribonacci series is the sum of the three preceding ones. Sequence: 0, 0, 1, 1, 2, 4, 7, 13, 24, 44, ... Writ...

1 month ago

Solved

MATLAB 101: Lucas Sequence
The Lucas sequence follows the same additive rule as Fibonacci, but starts with 2 and 1. Sequence: 2, 1, 3, 4, 7, 11, 18, 29, 47...

1 month ago

Solved

MATLAB 101: Extracting Even/Odd Values
Given an array or a matrix, extract all elements that satisfy a specified parity condition ('even' or 'odd') and return them as ...

1 month ago

Solved

MATLAB 101: Student Marks Analyzer
An array is given that contains the marks received by a group of students in their class test. Write a function that processes t...

1 month ago

Solved

MATLAB 101: Extract the prime numbers
Given a list of elements, extract the prime numbers from that array.

1 month ago

Solved

MATLAB 101: Armstrong Number
Write a function name armstrong_check that checks whether the given input is an Armstrong Number or not. It returns logical True...

1 month ago

Solved

MATLAB 101: Find alternating sum
Given an array, find alternating sum i.e. – y = x (1) – x (2) + x (3) – x (4) + x (5) - …

1 month ago

Solved

MATLAB 101: Given a matrix X, manipulate it accordingly
Given a matrix X, 1st add a column to the matrix whose elements are the summation of each rows. Then add a row to the matrix who...

1 month ago

Solved

MATLAB 101: Play with array Min-Max
An array is provided. For example, a= [ 2,1,11,4,5,13] Create an array from a like this way, out= [ 1,11,2,13,4,5] ➢ 1st take...

1 month ago

Solved

MATLAB 101: Unique elements of the array with unchanged sequence
An array is given. Find the unique elements of the array. [keep the sequence unchanged] For example if input x=[2 ,4 , 9 ,2 ,...

1 month ago

Solved

MATLAB 101: Zero finder
Write a function named 'zero_finder' that takes a matrix as input and returns the row index of the last zero for each for each c...

1 month ago

Solved

MATLAB 101: Highest 3 marks
An array is given that contains the marks received by a group of students in their class test. Find out the highest 3 marks rec...

1 month ago

Solved

MATLAB 101: Equivalent Resistance Calculator
Calculate the equivalent resistance R_eq for n resistors connected in Series or Parallel.

1 month ago

Solved

MATLAB 101: Scalar-Vector Multiplication
Write a MATLAB function that takes a numeric array (vector or matrix) v and a scalar multiplier s. The function should return a ...

1 month ago

Solved

MATLAB 101: Wye to Delta Impedance Converter
n electrical network analysis, transforming a Wye (Y) configuration of impedances (Z1, Z2, Z3) into an equivalent Delta (Delta) ...

1 month ago

Solved

MATLAB 101: Delta to Wye Impedance Converter
In electrical network analysis, transforming a delta (Delta) configuration of components into a wye (Y) configuration is vital f...

1 month ago

Solved

MATLAB 101: Reverse a Vector
Write a MATLAB function that takes a 1D vector (either a row or a column vector) and returns the vector with its elements in exa...

1 month ago

Solved

MATLAB 101: Hypotenuse Calculator
Write a MATLAB function that accepts the base and height of a right-angled triangle (or arrays of bases and heights) and returns...

1 month ago