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hang


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1,029 total contributions since 2020

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Stacking vectors into a matrix
Given a 4x1 vector a, and a 2x2 matrix b, create a matrix M in which the first 2 rows are each identical to a and the last two r...

9 hours ago

Solved


Matrix convolution
A certain convolution step involves an elementwise multipication between two 3x3 matrices and taking the resulting sum of the el...

11 hours ago

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Matrix Indexing
Given a matrix A and scalars r,c,i, find the product of two elements, with the first element located at row r and column c (doub...

11 hours ago

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Generate the Matrix!
Given n, generate the following matrix: a = [ n n-1 n-2 ... 2 1; n-1 n-1 n-2 ... 2 1; n-2 n-2 n-2 ... 2 1;...

1 day ago

Solved


Power supply: 230V to 115V
The problem is simple: we have a wall outlet which supplies 230V and an apparatus that requires 115V. Software is always chea...

1 day ago

Solved


Sum of series IX

2 months ago

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Sum of series VIII

2 months ago

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Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

3 months ago

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convert I

3 months ago

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Return area of square
Side of square=input=a Area=output=b

3 months ago

Solved


eukleides triangle

4 months ago

Solved


Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

4 months ago

Solved


area of a sphere

4 months ago

Solved


Area of a pentagon
Given the side of a regular pentagon and its apothem return the area of pentagon. Remember the area of pentagon is calculate ...

4 months ago

Solved


The sum of individual numbers...
Well this one is taking a number and then summing the individual parts till you reach a value of 1, 2, 3, 4, 5, 6, 7, 8, 9, or 0...

5 months ago

Solved


Simple Income Tax

5 months ago

Solved


Parallel vectors
Return true or false depending on whether 2 vectors are parallel or not. Vectors can be 2 or 3 dimensional. The origin is not c...

5 months ago

Solved


rectangle in circle
In the figure below, the rectangle at the corner measures a cm x b cm. What is the radius of the circle in cm? <<http://www....

5 months ago

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Laws of motion 7

5 months ago

Solved


Find the efficiency

5 months ago

Solved


Where is she?
Given the numbers 12, 3, 6, 9 Tell where the girl is located. That is: Look to your 3 o'clock = look right Example ...

5 months ago

Solved


Volume of Cylindrical Shell

5 months ago

Solved


Find the Pattern 2

5 months ago

Solved


Previous Palindrome

5 months ago

Solved


Test if a number is numeric or not
Test if a number is numeric or not

5 months ago

Solved


Determine if a row vector has NaN
Determine if a row vector x has NaN

5 months ago

Solved


Find Logic 11

5 months ago

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