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Darik


Johns Hopkins University

2011 年からアクティブ

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MySQL and Matlab - Replacing a whole column of data
See example 3 in the UPDATE documentation, "Example 3 — Update Multiple Records with Different Constraints". Basically you a ...

11年以上 前 | 0

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Is it possible to dynamically add methods to an object, or to build a generic method that "catches attempts to access nonexistent methods"?
It seems to work (in 2012b, at least) if you subclass dynamicprops % classdef MyClass < dynamicprops properti...

11年以上 前 | 0

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Share your favorite snippet or utility
I'm a clumsy typist... function hepl (x) help (x) end

12年弱 前 | 1

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Is there something like a 'struct pointer' in Matlab?
This is probably a bad idea but maybe it could come in handy in some situations: dataPool = dynamicprops; dataPool.addpr...

12年弱 前 | 0

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Can data values be used to colour lines in the plot() function? As is the case with the scatter function
It might be easier to use a patch object directly instead of the plot function, although the syntax might seem a little bizarre....

12年弱 前 | 2

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

12年弱 前

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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.

12年弱 前

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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 ...

12年弱 前

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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 ...

12年弱 前

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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...

12年弱 前

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Add two numbers
Given a and b, return the sum a+b in c.

12年弱 前

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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 ...

12年弱 前

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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...

12年弱 前

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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:...

12年弱 前

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How do i create "projects"?
I think Matlab is definitely lacking in this arena. I almost never save application paths in Matlab, it gets really annoying onc...

12年以上 前 | 0

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Is there a way to perform queries on object collections?
Use comma separated list syntax staff = [employee1 employee2 employee3 ..... employeeN]; salary = [staff.salary]; [~,...

12年以上 前 | 0

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