**Statistics**

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Solved

Add a block to a model

Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

7 years ago

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Connect blocks in a model

Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

7 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 ...

7 years ago

How to convert image array to double array?

Take your integer array - let's call it 'intArray' and do the following: dblArray = double(intArray);

7 years ago | 1

| accepted

Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

8 years ago

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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...

8 years ago

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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 ...

8 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 ...

8 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...

8 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.

8 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:...

8 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...

8 years ago

Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

8 years ago

re-arranging of columns

Once you import this data into a MATLAB variable, there are multiple methods. One way is as follows, where x is the data and y i...

8 years ago | 0

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Why has Statistical Toolbox disappeared?

Ideally this shouldn't occur unless you unchecked Statistics Toolbox while installing. Take a look at what you obtain when you t...

8 years ago | 1

Image Processing tool box

There is an Image Tool/Image Viewer App to explore images. It may not provide you with a similar set of menus as in the Wavelet ...

8 years ago | 1

How to display entries of a vector with exclusion?

setdiff(V,V(A)) will give you the vector that you want. This will work when V and A are vectors and not cell arrays (you a...

8 years ago | 0

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matlab hangs when help window is opened

This is a bug report for this and a workaround. <http://www.mathworks.com/support/bugreports/870843>

8 years ago | 0

| accepted

Convert algorithm code to simulink model

You can incorporate existing MATLAB script in a Simulink model using MATLAB function blocks. For information on that, take a loo...

8 years ago | 0

How to generate multiple random samples of size 200

One way to go about this: x = randn(200,1000); This generates normally distributed pseudo-random numbers between 0 and 1...

8 years ago | 0

How to say that 2 stem graphs are identical?

If you have the underlying data that created the two stem plots, you can check the difference between the two data. Say you hav...

8 years ago | 0