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Perl 1: push
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

11 years ago

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Extracting data: Heart rate (pulse)
The resting heart rate for an average adult is 60 - 100 beats per minute. Assign row array heartExtracted with all values in row...

11 years ago

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"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

11 years ago

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Perimeter
Given a sequence of points forming a closed path (first and last points are coincident) return the perimeter value. For example...

11 years ago

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Use of regexp
Given a string, containing several sentences, such as: 'I played piano. John played football. Anita went home. Are you safe?...

11 years ago

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Multiple element-wise operations: Percent change
Row arrays sales2013 and sales2014 reflect the quarterly sales (in millions) of a popular potato chip company. Write a statement...

11 years ago

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Negation the hard way
Write a function that has the following property: f(f(x)) = -x for any numeric array x. Note that there is no restriction on ...

11 years ago

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Largest Prime Number
Given a matrix X, find the largest prime number in X.

11 years ago

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Times 3 problem
When you enter the number, it should return the number multiplied by 3

11 years ago

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Television Screen Dimensions
Given a width to height ratio of a TV screen given as _w_ and _h_ as well as the diagonal length of the television _l_, return t...

11 years ago

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Remove the positive integers.
Given array,x, remove all the positive numbers and display ouput as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

11 years ago

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Sum the real and imaginary parts of a complex number
Sum the real and imaginary parts of a complex number. Example c = 1+2i has the solution 1 + 2 = 3

11 years ago

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ascii value
let input='a' output=97

11 years ago

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Numbers with prime factors 2, 3 and 5.
Make a function which takes one positive integer n and returns a matrix with the numbers of the form (2^i)*(3^j)*(5^k) which are...

11 years ago

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Find Factrorial without using built-in function
A number is given, you have to find the factorial of the number without using built-in factroial function. You may use loops....

11 years ago

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Accessing elements on the diagonal
Access the diagonal elements of a matrix without 'diag' function

11 years ago

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Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

11 years ago

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Calculate the nth Fibonacci number USING 'Golden Ratio' concept
f = [1 1 2 3 5 8 13 ...] If n=6, f(6)=8

11 years ago

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calculate RMS voltage
given peak to peak voltage, calculate rms voltage

11 years ago

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Element-wise division
* Assign row array weightKilo with the corresponding weight in kilograms. Use the following conversion: kg = lb / 2.2

11 years ago

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Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

11 years ago

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Logic array: Identifying qualifying times
Create a logic array qualifyingIndex with true for any location where the runner is male with a running time less than 8.2. Row ...

11 years ago

Answered
How do I multiply matrices having elements as vectors?
If I understand the question correctly, you are asking how to multiply two vectors of the same size. Without loss of generali...

11 years ago | 0

Answered
How do I see the weight and biases variables in neural networks, please show me on simple example code?
You can find some code examples using the Neural Network Toolbox <http://www.mathworks.com/products/neural-network/code-examples...

11 years ago | 9

| accepted

Solved

Don't Try, give up and return NaN.
This is another version of <http://www.mathworks.com/matlabcentral/cody/problems/3107-try-and-catch-simple-example problem 3107....

11 years ago

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Try and Catch Simple Example
Try and Catch Simple Example <http://in.mathworks.com/help/matlab/ref/try.html Example> Vector x=[1 4 6 8 10]; Create...

11 years ago

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Determine the number of maximal cliques in an undirected graph
In an undirected graph, a clique is a subset of vertices that are fully connected, i.e. there is an edge between all pairs of ve...

11 years ago

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Find the maximal cliques in an undirected graph
This is a variant of a <http://www.mathworks.com/matlabcentral/cody/problems/2646-determine-the-number-of-maximal-cliques-in-an-...

11 years ago

Solved

create a column
use vector notation to create a column

11 years ago

Solved

Sum all integers from 1 to 5^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=6

11 years ago