# Katie

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**Content Feed**

Submitted

Rectangular Waveguide Simulator

Set the dimensions, mode, and operating frequency of your rectangular waveguide to visualize the fields and calculate standard p...

3 månader ago | 22 downloads |

How to make rectangular mesh from Points cloud

You can use a combination of meshgrid and griddata to do this. In the code below, I'm assuming that x is a column vector with th...

nästan 2 år ago | 1

Creating a loop for a matrix function

How you would write this code depends on how you want to do the function on the matrix rows: Option 1: rows 1&2, then rows 3&4,...

ungefär 2 år ago | 0

plotting 2 .mat fikes ith the same variable name

When you load the .mat files you can store the contents in two different variables and then dot index your variables: Data=load...

ungefär 2 år ago | 0

| accepted

how to write in edit field

Hi! What you're showing in your question is the callback function for the CamperaIP edit field. This function is called whenever...

ungefär 2 år ago | 1

| accepted

Saving matlab result in different directory

Hi! You can do this by using the full file path in your file name. For example: filename=strcat('C:\Users\katie\Documents\MATLA...

ungefär 2 år ago | 1

| accepted

Question

Terrain from IMG, JP2, or Tiff File

Hi, I need to plot high resolution lunar terrain mostly as contour plots and using meshm from the mapping toolbox. I have access...

ungefär 2 år ago | 2 answers | 0

### 2

answersInner matrix dimensions must agree

You're missing a dot in front of the * in front of the sin x_time = A.*exp(-zeta.*wn.*t).*sin((wd.*t)+phi);

ungefär 2 år ago | 1

Solved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

ungefär 2 år ago

Solved

Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

ungefär 2 år ago

Solved

Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

ungefär 2 år ago

Solved

Check if number exists in vector

Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

ungefär 2 år ago

Solved

Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

ungefär 2 år ago

Solved

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...

ungefär 2 år ago

Solved

Get the length of a given vector

Given a vector x, the output y should equal the length of x.

ungefär 2 år ago

Solved

Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

ungefär 2 år 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 ...

ungefär 2 år 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...

ungefär 2 år 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...

ungefär 2 år 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]; ...

ungefär 2 år ago

Solved

Determine if input is odd

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

ungefär 2 år 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 ...

ungefär 2 år 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...

ungefär 2 år 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:...

ungefär 2 år ago

I can not find an error in the expression

Hi! It looks like you're really close! You're just missing a couple dots in front of some of your multiplication and division op...

ungefär 2 år ago | 1

| accepted

I need to plot a graph having a linear value in y and another having a quadratic value in y

Hi! It looks you have a couple small assignment errors that are preventing your code from working how you want to. Based on your...

ungefär 2 år ago | 0

How do I fix my meshgrid?

Hi! Thanks for providing extra details! Below are the steps I used with explanations for each. I also labeled them in accordance...

ungefär 2 år ago | 1

| accepted