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Total resistance of resistors in series
What is the total resistance of a number of resistors in series? A vector R contains the resistances (in Ohm) of n resistors, w...

2 years ago

Solved

Total resistance of a network of resistors in series and parallel
What is the total resistance of a network of resistors in series and in parallel? A matrix R contains the resistances (in Ohm) ...

2 years ago

Solved

Total resistance of resistors in parallel
What is the total resistance of a number of resistors in parallel? A vector R contains the resistances (in Ohm) of n resistors,...

2 years ago

Solved

Did you say please? - Find one string within another without strfind or regexp/regexpi
For a given string sentence, determine if the string word 'please' is present or not. If so, return the string 'OK', else return...

2 years ago

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Create a v-notch vector without "sort" function
Given a vector vec, create a v-shaped vector as shown below: vec = [ 10 2 3 89 5 7 90 0 12] Output vector = [90 89 12 10 7 5 3 ...

2 years ago

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Find offset of an element of a multi dimensional matrix
For a given multi dimensional matrix and given element, find its offset from the 1st element. Return 0, if element is not fo...

2 years ago

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User defined nextpow function
Create a function which will take 2 arguments as n and x, and return y, where, n^y >= abs(x). [ Similar to builtin "nextpow2" fu...

2 years ago

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Find supported functions
Given a function name, return true if that function is supported by the toolboxes that are installed with MATLAB on this machine...

2 years ago

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Momentum Calculation
A shopping cart of mass 'm1' is traveling with velocity 'u' and collides with a second shopping cart of mass 'm2.' The two shopp...

2 years ago

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Rule of mixtures (composites) - weighted bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

2 years ago

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Rule of mixtures (composites) - lower and upper bounds
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

2 years ago

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Distance of the centroids of the balls
Given *n* balls of radius *r* and the vector *p (nx3)* with all position *(x,y,z)* of the balls, return the symmetric matrix *A ...

2 years ago

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Create cell array of strings
Convert the input to a cell array, but only if necessary. If the input is a string, return a 1-by-1 cell array containing the...

2 years ago

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Min by mean
Substitute the minimum value in each row of a matrix A by the mean of that row (it should also work if the input is a vector)

2 years ago

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Nth root of a number
Given an input and a number N, find the Nth root of the number(s)

2 years ago

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Solve the equation. Find X.

2 years ago

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Area of Ellipse

2 years ago

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Check if two matrices are permutations of each other
Your function should return true for the elements of one matrix is the permutation of the other matrix: x = [1 2 3; 4 5 6; ...

2 years ago

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Legend of Zelda - Rupee Count (Compact)
Building off of <https://www.mathworks.com/matlabcentral/cody/problems/3025-zelda-rupee-count Problem 3025>, suppose that Link's...

2 years ago

Solved

Legend of Zelda - Rupee Count
Rupees are the main currency in The Legend of Zelda games. The value of each rupee is determined by its color. Unfortunately, th...

2 years ago

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Cookie Cutters
Given a larger and smaller matrix, perform element-by-element multiplication on the smaller matrix and a sub-matrix of the large...

2 years ago

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First use of arrayfun() and anonymous function @(x)
Create an anonymous function using @(x) for a parabola equation for the given coefficients stored in s with s(1)x2 + s(2)x + s(...

2 years ago

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Self-similarity 2 - Every third term
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...

2 years ago

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Pattern Recognition 1 - Known Unit Length
You will be given various arrays, composed of numbers or strings. For this problem, the known pattern unit length is three. Writ...

2 years ago

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Make visible max values
Make visible maximum values of rows input = [1 2 3 4 5; 6 9 8 2 1; 2 1 4 5 8; 1 9 7 9 2]; ...

2 years ago

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Homemade: Control Charts
This problem is a simple version of control charts in statistics. Intput consists from 30 or more observations. * Upper limi...

2 years ago

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Calculate trends in time series
Create a new variable that has trends in input series. If _t+1_ is bigger than or equal to _t_, than trend in _t_ will be 1, oth...

2 years ago

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Sum the prime numbers from 1-100
Write a function to sum up the prime numbers from 1-100.

2 years ago

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Intrication de deux vecteurs
Ecrire une fonction "intric" qui prend en entrée un vecteur ligne v1 et un vecteur ligne v2 et renvoie le vecteur ligne vres don...

2 years ago

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Définir une fonction creneau
Definr une fonction "creneau" qui prend en entrée un vecteur et renvoie la valeur 1 pour chaque élément positif du vecteur et...

2 years ago