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N-Dimensional Array Slice

Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension. ...

4 years 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...

4 years ago

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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...

4 years ago

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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:...

4 years ago

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Order of things - 1

Let's assume you have a number of calculations to perform, that depend on each other. E.g. 'A' can be calculated, once the outco...

4 years 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 ...

4 years ago

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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...

4 years 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...

4 years ago

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Determine if input is odd

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

4 years ago

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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. Examp...

4 years ago

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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...

4 years ago

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Weighted average

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

4 years ago

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prime to each other

Given two integers n1, n2 greater than 1, find out if they have common divisors or are prime to each other. Return "true" if the...

4 years ago

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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 ...

4 years ago

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Finding coordinates of peaks

You need to first perform non-maximal suppression and then sort the remaining data. Try this ... x = 1:100; data=...

Finding coordinates of peaks

You need to first perform non-maximal suppression and then sort the remaining data. Try this ... x = 1:100; data=...

8 years ago | 1

Answered

code for DCT2 in matlab

Just type "dct2" in an editor window. Then right click it an select "open dct2". The code is there.

code for DCT2 in matlab

Just type "dct2" in an editor window. Then right click it an select "open dct2". The code is there.

8 years ago | 1