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Kan-Hua


Imperial College London

Active since 2012

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Answered
how to initialize a vector of structure
You can consider using table instead of structure array to store your data, which gives some flexibility to access the members. ...

meer dan 10 jaar ago | 0

Answered
how to initialize a vector of structure
To preallocate memory, you need to put some values into the data structure that you are using. I think it's the design of Matlab...

meer dan 10 jaar ago | 0

Answered
Saving as a .txt file help
I would suggest you use cell array to store your strings with different lengths unless you have a particular reason to store the...

meer dan 10 jaar ago | 0

Answered
How can I open all xml files?
First, I don't think Matlab's built-in importdata() function can handle XML file. You can use this package to read your xml data...

meer dan 10 jaar ago | 0

Answered
Can I output a 2D plot as an interactive document?
Hi, I don't think you can distribute the interactive features without having your colleague access to Matlab. However, if the...

meer dan 10 jaar ago | 0

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Answered
hi,, i'm new in matlab.. i want to draw using the mouse with this code, but this code can only make one line,, i want to make it more..,
Hi, The simplest way is initialising an axes object that imfreehand() function can draw on to, and put your function into an ...

meer dan 10 jaar ago | 0

| accepted

Answered
Finding maximum value and it's location from the matrix
I think that's what you need: [max_num, max_idx]=max(K(:)); [X,Y]=ind2sub(size(K),max_idx); you need the input para...

meer dan 10 jaar ago | 4

Answered
Undefined function or variable
I would suggest you add a "else" statement in your first "if" block. It may be that your RGB components of the image you loaded ...

meer dan 10 jaar ago | 0

Answered
Convert from matlab script to vb script
I don't think there's any off-the-shelf product that allows you to convert matlab code to VB. However, you can try convert yo...

bijna 11 jaar ago | 0

Solved


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

meer dan 11 jaar ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

meer dan 11 jaar 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...

meer dan 11 jaar ago

Solved


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

meer dan 11 jaar 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...

meer dan 11 jaar ago

Solved


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

meer dan 11 jaar 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. Example...

meer dan 11 jaar ago

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 ...

meer dan 11 jaar ago

Solved


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

meer dan 11 jaar 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...

meer dan 11 jaar 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:...

meer dan 11 jaar ago