Problem


Tridiagonal
Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix. Example ...

mehr als 7 Jahre ago | 1 | 96 solvers

Problem


Cofactor
Given a matrix, find the cofactor of the element in 'i'th row and 'j'th column.

mehr als 7 Jahre ago | 0 | 45 solvers

Solved


No Twins?
Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an eleme...

mehr als 7 Jahre ago

Solved


Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

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Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

mehr als 7 Jahre ago

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

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Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

mehr als 7 Jahre ago

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Calculate the peak value of square wave
Given the peak value of sine wave, calculate corresponding peak value of square wave, if both have same RMS voltage.

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Ohm's Law
Well its Ohm's law... So V = IR! I will give two of the three values, such as V and I or I and R and you have to return th...

mehr als 7 Jahre ago

Solved


Concatenate matrix into 4 quadrants for given number of iteration
If given a matrix and number, output should be its concatenation like wavelet for given number of iterations. Example a ...

mehr als 7 Jahre ago

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Square wave average calculation
Given its peak and duty cycle, calculate avg value of square wave

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Perl 3: shift
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

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Perl 2: pop
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

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Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

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Number of vertices of a hypercube
Return the number of vertices of a n-dimensional hypercube.

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Calculate distance travelled when given radius and rotations
When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

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Phonebook-like problem
strcmpi('Yes', 'No')

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Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.

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Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

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Add two numbers
Add two numbers (For beginners)

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Duplicate a character
Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'

mehr als 7 Jahre ago

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Do you like your boss?
Do you like your boss? Answer can be any string! For example: Boss = 'Do you like your boss?'; Output = 'yes' or ...

mehr als 7 Jahre ago

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frame of the matrix
Given the matrix M, return M without the external frame.

mehr als 7 Jahre ago

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Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

mehr als 7 Jahre ago

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Penny flipping - calculate winning probability (easy)
Two players are playing a fair penny flipping game. For each flip, the winner adds one penny from the loser's collection to his/...

mehr als 7 Jahre ago

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Volume of a sphere given its surface area
You just measured its surface area, that is the input.

mehr als 7 Jahre ago

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Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

mehr als 7 Jahre ago

Solved


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

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create a circulant matrix
create a circulant matrix

mehr als 7 Jahre ago

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find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

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