Faith Huynh

Active since 2016

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I like math!

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How do I delete a specific line from a text file?
Hi there guys, I have a list of file locations that I have saved in a .txt file, all on new lines, like so: C:\\User\Doc...

9 years ago | 1 answer | 0

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Question

How to change text in a textbox from a pushbutton's callback?
I have a GUI that is supposed to create a folder of shortcuts in a certain file. I would like to be able to have a button called...

9 years ago | 1 answer | 0

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Question

Getting the error 'Subscript indices must either be real positive integers or logicals' when using the mode() function
I have a column vector (20000 x 1) which is a 20 thousand entries long of numbers which are all decimals with 9 decimal places. ...

9 years ago | 1 answer | 0

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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.

9 years ago

Solved

Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

9 years ago

Solved

Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

9 years ago

Solved

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

9 years ago

Solved

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

9 years 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 ...

9 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...

9 years 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:...

9 years ago