Question

Remove parentheses with regexp
I have the following string: a ='0.00 (578)'; How can I use regexp to retrieve what is inside the parentheses? I have ...

10 years ago | 1 answer | 0

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Question

Use Java Classes in Matlab
I have created a small Java CelsiusConverter GUI as described in <http://docs.oracle.com/javase/tutorial/uiswing/learn/creating...

10 years ago | 0 answers | 0

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answers

Question

Losing frames when "getdata"
In a simple user interface I want to include a capture the image from my camera. To do this I have two push button. A start butt...

10 years ago | 1 answer | 0

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Question

Timer error: Cannot start timer because it is already running.
I am trying to implement a simple timer in a GUI. It is just a figure with two buttons. I want when I press the start button to ...

10 years ago | 1 answer | 0

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Question

Overlay an image in preview video
I would like to overlay an image when I preview video. By trying this : vid = videoinput('winvideo'); preview(vid) ...

10 years ago | 2 answers | 0

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Question

Regexp: different behavior for the same type of expressions
I want to capture everything except the tokens: |name|, |'_'| and |'.iv2'| name = A7122 >> filename' ...

10 years ago | 2 answers | 0

2

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Question

Getting the output from a callback in main function
I have the following simple problem. I have created a gui and I would like to get the output of the callback function in main fu...

10 years ago | 2 answers | 0

2

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Question

Optionally create plots inside function
I have a function y=myfun(x) y=3*x; plot(x, y) If |x=[1 2 3 4 5];| then the plot will be plotted. Is there anyway...

10 years ago | 1 answer | 0

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Question

Trapz abnormal behavior. Error:Subscript indices must either be real positive integers or logicals.
When I enter: >> trapz(2,2) ans = 0 When I enter: >> trapz(2.2,2.2) Subscript indices ...

10 years ago | 2 answers | 0

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Answered
Find cases of vectors-patterns in an array
I had also this in my mind as a backup idx= [0; diff(t1'==-1)]==-1 | [diff(t1'==-1); 0]==1; a=reshape(t1(idx),2,[]) ...

10 years ago | 0

Question

Find cases of vectors-patterns in an array
I have 4 cases of vectors inside an array that I want to index. All of them have trailing -1. I would like to index such pattern...

10 years ago | 2 answers | 0

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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...

10 years ago

Solved

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

10 years ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

10 years 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...

10 years ago

Solved

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 ...

10 years ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

10 years ago

Solved

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

10 years ago

Solved

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 ...

10 years ago

Solved

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...

10 years ago

Solved

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

10 years ago

Solved

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

10 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 ...

10 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...

10 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:...

10 years ago

Question

In a logical array index the area with the most TRUE values
Below I have a logical vector: t=[0 1 0 0 0 0 1 1 0 0 1 1 1 1 1 1 1 1 1 1 0 1 0 0 0 1 0]; which has 5 TRUE areas and 6...

10 years ago | 2 answers | 0

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Question

Printing to screen with fprintf. Reclaim back the printed result after clearing the screen.
Suppose I use the fprintf as follows: name='John'; height=1.8; age=27; fprintf('Name.............%s\n\n', na...

10 years ago | 1 answer | 0

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answer

Answered
A line at maximum value of y ?
line(get(gca,'Xlim'), [max(y) max(y)],'color', 'red')

10 years ago | 1

| accepted

Question

In a logical array find how the density of TRUE values increases
Supposedly we have a logical array: t=[1 0 0 0 0 1 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0]; The...

10 years ago | 4 answers | 1

4

answers

Question

Error when running inbuild example of Simulink (R2013a) Supercapacitor Model
I am using Matlab version (R2013a). The simulink of this version contains an example with the name Supercapacitor Model. When I...

10 years ago | 1 answer | 0

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