Answered

How can I change the pixel RGB value of each frame of the video?

There is another post about this topic. https://www.mathworks.com/matlabcentral/answers/303600-how-to-change-a-pixel-value-of...

How can I change the pixel RGB value of each frame of the video?

There is another post about this topic. https://www.mathworks.com/matlabcentral/answers/303600-how-to-change-a-pixel-value-of...

1 year ago | 0

Question

VideoWrite .Avi file doesn't play in powerpoint. Any ideas?

When I make .avi movies using VideoWriter the videos will not play in Office 365 PowerPoint on Mac. I have tried both 'Uncompres...

1 year ago | 0 answers | 3

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 ...

2 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...

2 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:...

2 years ago

Solved

Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

2 years ago

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

2 years ago

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...

2 years 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...

2 years ago

Solved

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...

2 years ago

Solved

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 ...

2 years 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...

2 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 ...

2 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...

2 years ago

Solved

Determine if input is odd

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

2 years ago

Solved

Multiply 2 numbers

Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

2 years ago

Question

Scatter plot prevents update of contour plot. Any ideas why?

I have made a GUI in GUIDE to plot a scatter plot above a contour plot. Next to these plots I have two edit boxes for x-axis min...

6 years ago | 2 answers | 0

Answered

error using plot:Vectors must be the same lengths

I tried to reproduce your error, but the variables "simout," "x," and "y" are undefined in your included code. Vectors must ...

error using plot:Vectors must be the same lengths

I tried to reproduce your error, but the variables "simout," "x," and "y" are undefined in your included code. Vectors must ...

6 years ago | 0