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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] =...

fast 14 Jahre vor

Gelöst


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...

fast 14 Jahre vor

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

fast 14 Jahre vor

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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...

fast 14 Jahre vor

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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...

fast 14 Jahre vor

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

fast 14 Jahre vor

Gelöst


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...

fast 14 Jahre vor

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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...

fast 14 Jahre vor

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

fast 14 Jahre vor

Gelöst


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 ...

fast 14 Jahre vor

Gelöst


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...

fast 14 Jahre vor

Gelöst


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:...

fast 14 Jahre vor

Beantwortet
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...

fast 14 Jahre vor | 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 ...

fast 14 Jahre vor | 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...

fast 14 Jahre vor | 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 ...

fast 14 Jahre vor | 1

Beantwortet
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...

fast 14 Jahre vor | 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 ...

fast 14 Jahre vor | 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...

etwa 14 Jahre vor | 0

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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...

etwa 14 Jahre vor | 0

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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...

etwa 14 Jahre vor | 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...

etwa 14 Jahre vor | 0

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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...

etwa 14 Jahre vor | 1

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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...

etwa 14 Jahre vor | 2

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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...

etwa 14 Jahre vor | 3

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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> ...

mehr als 14 Jahre vor | 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...

mehr als 14 Jahre vor | 1

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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...

mehr als 14 Jahre vor | 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...

mehr als 14 Jahre vor | 2

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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/...

mehr als 14 Jahre vor | 0

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