Community Profile # Riyasat

### Cadet College Rangpur

Last seen: 12 months ago Active since 2014

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How does Matlab's SVM Multiclass (1 vs 1 ECOC) differs from LIBSVM Multiclass?
How does Matlab's SVM Multiclass (1 vs 1 ECOC) differs from LIBSVM Multiclass classification system in terms of their internal w...

5 years ago | 0 answers | 1

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Question

Getting Error while implementing Filter object.
Hello, I am using the Digital Filter with properties. I have defined filt(1) as: digitalFilter with properties: ...

5 years ago | 1 answer | 0

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Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

6 years ago

Solved

inner product of two vectors
inner product of two vectors

6 years ago

Solved

Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

6 years ago

Solved

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

6 years ago

Solved

The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

6 years ago

Solved

Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

6 years ago

Question

Where is the problem in this if-else structure?
This is an if-else structure of a larger problem. I have simplified it down to the numerals in work here, but can't figure out w...

6 years ago | 2 answers | 0

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GJam: 2013 Rd1a Bullseye Painting
<http://code.google.com/codejam/contests.html Google Code Jam> 2013 Round 1a Bullseye challenge is to determine how many full ri...

6 years ago

Question

How exactly does 'OR' logic works in Matlab. Getting Wrong answers.
How can the following be true?? The single and the double bar gives the following as true, but it's clearly wrong... What am I m...

7 years ago | 1 answer | 0

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Question

How to Use "Categorical Array" to organize data for Machine Learning
Hello, Presently I am working on a Project. I have 9 (Nine) classes of data. Each Class has 8 Different training files(raw da...

7 years ago | 0 answers | 0

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Question

Plot a Histogram of the Amplitudes of various frequencies of a Signal
Hello, I need to plot a bar Histogram of a signal after performing a fft. It is an ENF data, so most amplitudes should be arou...

7 years ago | 0 answers | 0

### 0

Question

Wrong direction of E-Field lines using "Quiver Function" in a program to solve Simple Laplace Problem.
This is my program to solve a simple laplace problem where a Voltage of 100V is applied at the top and all other bounderies are ...

7 years ago | 1 answer | 0

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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: ...

7 years ago

Solved

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

7 years ago

Solved

Add two numbers (For beginners)

7 years ago

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Find the square root of a value
Given the variable x as your input, find the square root and let the result be represented by y Examples: Input x = 4 O...

7 years ago

Solved

find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

7 years ago

Solved

Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

7 years ago

Solved

multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

7 years ago

Solved

square root
Find the square root (y) of an input (x).

7 years ago

Solved

Finding an element in a vector
x is a vector of unknown length your function should return the index of the first element in the vector that is greater than...

7 years ago

Solved

Perfect Square
Find a function that finds the root of a perfect number!

7 years ago

Solved

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)

7 years ago

Solved

Square a Number
Given an input x, return y, which is equal to the square of x.

7 years ago

Solved

Bruh
Return 'bruh'.

7 years ago

Solved

Hydrogens in a Saturated Hydrocarbon
Given (c) carbon atoms in a saturated hydrocarbon molecule (all single bonds), how many hydrogen atoms (h) are in the molecule?

7 years ago

Solved

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

7 years ago

Solved

Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: \$99,999.99. E...

7 years ago