34 total contributions since 2011

Mechanical Engineering Student

Arizona State University

Daddy of a wonderful little baby-girl.

Professional Interests: Insect Flight, Energy, Agent Based Modeling

Answered

Matlab jokes or puns

I 8 a π b 4. U r Σ π ∇! (transation: I ate a pie before. You are some pi nibbler!)

Matlab jokes or puns

I 8 a π b 4. U r Σ π ∇! (transation: I ate a pie before. You are some pi nibbler!)

plus de 4 ans ago | 1

Answered

Hello, I am trying to plot radiation intensity of antenna using the following code but i am not getting polar plots with theta axis and polar, grids please help me. help me

Hmm. PI isn't the same as pi. Use "pi". what is "E"? Is it "exp(1)"? if you fix this it gives a two-lobed polar plot

Hello, I am trying to plot radiation intensity of antenna using the following code but i am not getting polar plots with theta axis and polar, grids please help me. help me

Hmm. PI isn't the same as pi. Use "pi". what is "E"? Is it "exp(1)"? if you fix this it gives a two-lobed polar plot

presque 8 ans ago | 0

Solved

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

presque 8 ans ago

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Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

presque 8 ans ago

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Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

presque 8 ans ago

Solved

Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

presque 8 ans ago

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

presque 8 ans ago

Solved

Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

presque 8 ans ago

Solved

Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

presque 8 ans ago

Solved

Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

presque 8 ans ago

Solved

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

presque 8 ans ago

Solved

Find the numeric mean of the prime numbers in a matrix.

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

presque 8 ans ago

Solved

Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

presque 8 ans ago

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Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

presque 8 ans ago

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Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

presque 8 ans ago

Solved

Moving average (variable kernel length)

Find the moving average in a vector. The kernel length is a variable. For example x = 1:10 kernel_length = 2 would r...

presque 8 ans ago

Solved

Multiply 2 numbers

Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

presque 8 ans ago

Solved

Volume of a sphere given its surface area

You just measured its surface area, that is the input.

presque 8 ans ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

environ 8 ans ago

Solved

Too mean-spirited

Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

environ 8 ans ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

environ 8 ans ago

Solved

Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4

Example: in = magic(5) in = 17 24 1 8 15 23 5 7 14 16 4 6 13 20 ...

environ 8 ans ago

Solved

Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

environ 8 ans ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

environ 8 ans ago

Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

environ 8 ans ago

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

environ 8 ans ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

environ 8 ans ago

Solved

Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

environ 8 ans ago