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# Riyasat

183 total contributions since 2014

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Question

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...

plus de 2 ans ago | 0 answers | 0

### 0

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: ...

plus de 2 ans ago | 1 answer | 0

### 1

Solved

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

presque 3 ans ago

Solved

inner product of two vectors
inner product of two vectors

presque 3 ans 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...

presque 3 ans 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 ...

presque 3 ans 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".

presque 3 ans 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...

presque 3 ans 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...

presque 3 ans ago | 2 answers | 0

### 2

Solved

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...

environ 3 ans 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...

plus de 3 ans ago | 1 answer | 0

### 1

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...

plus de 3 ans ago | 0 answers | 0

### 0

Question

Plot a Histogram of the Amplitudes of various frequencies of a Signal
<</matlabcentral/answers/uploaded_files/40269/hist.png>> Hello, I need to plot a bar Histogram of a signal after performing ...

presque 4 ans 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 ...

presque 4 ans ago | 1 answer | 0

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Solved

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: ...

presque 4 ans 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.

presque 4 ans ago

Solved

presque 4 ans ago

Solved

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...

presque 4 ans 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

presque 4 ans ago

Solved

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

presque 4 ans 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 ...

presque 4 ans ago

Solved

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

presque 4 ans 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...

presque 4 ans ago

Solved

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

presque 4 ans 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)

presque 4 ans ago

Solved

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

presque 4 ans ago

Solved

Bruh
Return 'bruh'.

presque 4 ans 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?

presque 4 ans ago

Solved

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

presque 4 ans 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...

presque 4 ans ago