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Calculate the area of a circle
Given a circle of diameter x calculate its area

2 years ago

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Sum sum!!!
Sum the numbers from 1 to n

2 years ago

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calculate the length of matrix
input 1 array, calculate the length

2 years ago

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Find the max element of the array
Find the max element of the array

2 years ago

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Duplicate all elements in the array
Duplicate all elements in the array

2 years ago

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to the 2 all elements
to the 2 all elements

2 years ago

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Check prime numbers
Let x, return 1 if x is a prime number, 0 otherwise e.g x = 7, return y =1; x = 6 return y = 0;

2 years ago

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Repeat elements of a vector
Repeat each elements of a given vector according to their values. say x=[1,2,1,3] y=[1,2,2,1,3,3,3]

2 years ago

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Square
square root of x

2 years ago

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factorial
calculate x!

2 years ago

Error when taking mean of generated random variables with gamma distribution.
you defined mean = 1. Then you try to use it as a function :)

2 years ago | 0

Collect double values of a matrix
hmm well to count occurences you could somehow use a hashmap containers.Map in matlab. that would be efficient.

2 years ago | 0

how to plot Integrate of exponent and cosine equation.
you can try something like this syms tau t f = exp(-t/tau).*cos(t+1) func = int(f,t,0,1) x = 0.01:.01:10; y = subs(func, x)...

2 years ago | 0

How to remove the integration constants from the integrated random signal ?
hmm.. are you trying to compute an indefinite integral?

2 years ago | 0

| accepted

Variable updates for a brief moment before returning to the original value.
hmm you might want to use '< handle' if you want to make changes to an object within a method. https://www.mathworks.com/help/m...

2 years ago | 0

Solved

Calculate Resistance 2
In this problem, you have to calculate Resistance R of a linear conductor having voltage V across it and current I is passing i...

2 years ago

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Invert a 3D rigid-body transformation
Given an SE(3) matrix representing a rigid-body motion, compute its inverse without using |inv()| or |pinv()| .

2 years ago

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Create a 3D rotation matrix
Consider an arbitrary coordinate frame {A}. Consider another coordinate frame {B} which has the same origin as {A} but is rotat...

2 years ago

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anshil's problem
Only anshil should solve ans = ''

2 years ago

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Angle between two vectors
Given 2 pairs of _cartesian co-ordinates_, determine the angle between the 2 vectors formed by the _points_ and the _origin_. An...

2 years ago

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In this problem, you have to add three numbers a, b and c. Give output d = add(a,b,c)

2 years ago

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Ratio between sum of primes and sum of factors
Write a function that calculates the ratio between the sum of primes numbers lower or equal to x, and the sum of the factors of ...

2 years ago

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Change the first and last diagonal element of the identity matrix to zero
Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

3 years ago

Solved

Replace values under a limit
For a vector x and number n, the goal is to find every element of x inferior to n and replace it by n. Example x= [ 1 2 3...

3 years ago

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Add one raw in given matrix as shown in example
*Add one raw in given matrix as shown in example* A=[1 0;0 1]; X=[3 5]; Answer must be:[1 0; 0 1;3 5]

3 years ago

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Narcissistic problem
How many likes has this problem?

3 years ago

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Golden ratio
Calculate the golden ratio. Hint: phi^2 = phi + 1.

3 years ago

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Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

3 years ago

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Replace secondary diagonal elements of a square array
Replace all the secondary diagonal elements of the square array A with the number n Example: A = [1 2 3 4 5 6 ...

3 years ago

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Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

3 years ago