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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

14년 초과 전

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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...

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radius of a spherical planet
you just measured its surface area, that is the input.

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

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

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Is my wife right?
Regardless of input, output the string 'yes'.

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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 ...

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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...

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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:...

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Randomly Choose number from a matrix of several numbers?
Instead of starting with your code - I will give an example of how I would do it. Hopefully this can see how you implement it i...

14년 초과 전 | 0

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Controlling Dll files from Matlab
First step is to see if you can use loadlibrary interface in MATLAB. See this section of the documentation on how to call C ...

14년 초과 전 | 0

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Loops are slow inside spmd blocks!!
Looks like loops inside parfor/spmd with tons of iterations are not getting all the benefit from JIT (Just-in-Time interpreter/c...

14년 초과 전 | 0

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Writing a cell array to excel but skipping certain values
I think it is clear what you want to do- I don't have MATLAB open, so forgive minor syntax issues. 1. Step one extract the ...

14년 초과 전 | 1

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export to excel
This should work out for you. Reshape the array so it is an nx*ny by 4 and then use the xlswrite command. A = rand(18,30...

14년 초과 전 | 0

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CPU ID and EXE
You can run any command to the operating system via the bang (!) command, something like this (for a Windows machine) will give ...

14년 초과 전 | 0

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How to autoload a custom function in cftools
I believe what you want to do is to highlight the data you don't want to fit using the "outlier" tool. <http://www.mathwork...

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How to autoload a custom function in cftools
A couple of options for you. 1. You can autogenerate the code to do the fit from cftool. Then you can repeat the analysis wit...

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Changing a single element in sparse matrices
In general, it is useful to define the values and locations of the non-zero entries of your sparse matrices - and then only crea...

14년 초과 전 | 0

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Semilogy Plot not showing minor tick marks
The X Minor ticks are off by default. This should turn them back on. ax = gca; % grabs current axis set(ax,'XMinorTi...

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Running MATLAB from Excel - Matlab Builder Ex or Matlab Spredsheet link EX?
It basically breaks down to if you want the end user who is running the model within Excel to have MATLAB or not. Spreadshe...

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Parallel for loop: Using broadcasting array variable values as indexes
For parfor loops, when you index into a sliced variables, restrictions are placed on the first-level variable indices. This allo...

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memmapfile in parfor loops
You should be able to use memmapfile in a parfor loop. The trick is to pass m into a function within the parfor loop. You can g...

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plot integral
This can be done using cumtrapz -- Doc here: <http://www.mathworks.com/help/releases/R2011a/techdoc/ref/cumtrapz.html> ...

대략 15년 전 | 4

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How to brush data automatically?
Only certain plots can be brushed. The doc has list here of what you can and can't brush: <http://www.mathworks.com/help/release...

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how to open 3D image from a series of 2D image?
This demo using MRI data should help you get started: <http://www.mathworks.com/help/releases/R2011a/techdoc/visualize/f5-329...

대략 15년 전 | 2

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parallel computing with scheduler Comsol-Matlab
COMSOL helped me with a similar issue about a year ago. Their answer is below. I would encourage you to contact them. They were...

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several slices of a 2D-image interpolate to 3D
This demo is probably a good first start for you. Displaying MRI Data: <http://www.mathworks.com/help/techdoc/visualize/...

대략 15년 전 | 0