A résolu

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 il y a

A résolu

Add two numbers
Given a and b, return the sum a+b in c.

environ 8 ans il y a

A résolu

Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

environ 8 ans il y a

A résolu

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...

environ 8 ans il y a

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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 ...

environ 8 ans il y a

A résolu

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 il y a

A résolu

Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

environ 8 ans il y a

A résolu

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 il y a

Question

How can MATLAB find and replace a word in a text that contains multiple lines?
E.g. if there is a text file with 57 lines and I want a small change of a word in line 54.

environ 8 ans il y a | 1 réponse | 0

Question

Can I manipulate an existing Excel file through MATLAB?
I have an existing Excel file that has several mathematical operations into it. I want to insert several values through MATLAB, ...

environ 8 ans il y a | 1 réponse | 0

Question

Turning a row matrix of numbers into a row matrix of vectors.
I want to do something like this: I have the following matrix: A = [1 5 7] I want to turn it into: Anew = [1:6 (...

plus de 8 ans il y a | 1 réponse | 0

Question

Square matrix with relationships among equal rows.
I have a matrix with the following form: A = [ 9 9 9; 5 6 5; 9 9 9; 4 4 2; 5 6 5; 5 6 5; 4 4 4; 9 9 9] If a particular...

plus de 8 ans il y a | 3 réponses | 0

Question

I have three columns containing data. I want to isolate particular data depending on the third column and find the maximum values on the second column for each case of the isolated data from the third column.
I have a matrix with the following form: A = [1 2 3; 2 2 6; 0 1 3; 0 4 3] I want for each unique case from the third c...

plus de 8 ans il y a | 1 réponse | 0

A résolu

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 ...

plus de 8 ans il y a

Question

What is a code to remove elements that are identical between each other, in the 2 columns in a nx2 matrix?
If I have a matrix like: A = [2 5; 5 6; 1 1; 2 2; 4 8; 2 6; 3 3] What is a generalized code to remove the element...

plus de 8 ans il y a | 1 réponse | 0

Question

How do I break a complex loop with a multiple-if structure?
I am writing a code that has the following form: for i = 1:size(interiorcolumns,1) if interiorcolumns{i}(6) == height...

plus de 8 ans il y a | 2 réponses | 0