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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 ...

casi 8 años ago

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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...

casi 8 años 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 ...

casi 8 años 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...

casi 8 años 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.

casi 8 años 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 ...

casi 8 años 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...

casi 8 años 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:...

casi 8 años ago

Answered

MATLAB Editor Code Analyzer

Terminating the line with the comment %#ok suppresses the warning.

MATLAB Editor Code Analyzer

Terminating the line with the comment %#ok suppresses the warning.

más de 8 años ago | 0

Question

MATLAB Editor Code Analyzer

For the following code x=1; save('x','x') x=2; the MATLAB Editor Code Analyzer warns "The value assigned to var...

más de 8 años ago | 4 answers | 0

Answered

Finding the indices of the elements of one array in another

Thinking again, I realize that ismember is all I need [~,idx]=ismember(B,A) will do it.

Finding the indices of the elements of one array in another

Thinking again, I realize that ismember is all I need [~,idx]=ismember(B,A) will do it.

más de 8 años ago | 3

Answered

Finding the indices of the elements of one array in another

Thanks for the three solutions. Here is a function to test all three. "method_1" wins as the most elegant and fastest, but the o...

Finding the indices of the elements of one array in another

Thanks for the three solutions. Here is a function to test all three. "method_1" wins as the most elegant and fastest, but the o...

más de 8 años ago | 6

Question

Finding the indices of the elements of one array in another

Given two vectors A and B, find the index, idx into A of the element of B so that A(idx)=B. Now I know there must be many ways...

más de 8 años ago | 7 answers | 5

Question

Picking an FFT length

How could I find the most efficient FFT size greater than N? I know that with fftw "sizes that are products of small factors are...

más de 8 años ago | 1 answer | 0