Answered

Reading raw image file of unknown size

If you make some assumptions about the image, there is a way to find the height and width. 1. Image is all grayscale uint8 ...

Reading raw image file of unknown size

If you make some assumptions about the image, there is a way to find the height and width. 1. Image is all grayscale uint8 ...

1 year ago | 1

Submitted

Faster base2dec Function

This is a fast replacement for base2dec. It has the same syntax as base2dec and does not require compiling.

1 year ago | 0 downloads |

Submitted

Faster dec2base Function

This is a fast replacement for dec2base. It has the same syntax as dec2base and does not require compiling.

1 year ago | 1 download |

Submitted

mfft

This code is designed to help learn and understand the fast fourier algorithm. For this purpose it is kept as short and simple a...

1 year ago | 2 downloads |

Answered

initialize a MxN matrix with the same number

I know this is old but I could not let it go. I found A=zeros(M,N)+10; to be the fastest. At least on my computer. Heres...

initialize a MxN matrix with the same number

I know this is old but I could not let it go. I found A=zeros(M,N)+10; to be the fastest. At least on my computer. Heres...

1 year ago | 3

Answered

Matlab FFT vs MEX FFTW

The difference in speed might be caused by your inputs being rational and not complex. In this case Matlab calls the fft for rea...

Matlab FFT vs MEX FFTW

The difference in speed might be caused by your inputs being rational and not complex. In this case Matlab calls the fft for rea...

2 years ago | 0

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...

4 years ago

Solved

Can you reshape the matrix?

Given a matrix A, is it possible to reshape it into another matrix with the given number of rows?

4 years 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...

5 years ago

Solved

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 ...

5 years 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...

5 years ago

Solved

Determine if input is odd

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

5 years 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...

5 years ago

Solved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5 years ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

5 years ago