已解决


Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

11 years 前

已解决


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...

11 years 前

已解决


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

11 years 前

已解决


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

11 years 前

已解决


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 ...

11 years 前

已解决


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...

11 years 前

已解决


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

11 years 前

已解决


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 ...

11 years 前

已解决


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...

11 years 前

已解决


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

11 years 前

已解决


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

11 years 前

已解决


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 ...

11 years 前

已解决


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:...

11 years 前

已回答
How to plot the 4th dimension of an array?
Extract the 4th dimension first. fourthDimMatrix = allMatrix(:,:,4) Then try |plot| function

11 years 前 | 0

已回答
how to take a value from matlab workspace
Try |fwrite| <http://www.mathworks.in/help/matlab/ref/serial.fwrite.html fwrite>

11 years 前 | 0

已回答
i have 1000*1000 pixel image.how can i convert it into m*n(400*300) pixel image.
outputImage = imresize(inputImage,[400 300]);

11 years 前 | 0

已回答
find position of the matrix
x(1), x(2) ... x(end), Gives you each every value in the array.

11 years 前 | 0

| 已接受

已回答
how to do real image acquisition using webcam?
After Connecting Webcam with your computer, Just type |imaqtool| in your command window. Refresh the Hardware Browser to find yo...

11 years 前 | 0

已回答
Use of the Pop-up menu in a GUI
get(handles.Vt_Callback,'Value') This returns the value. Try using: get(handles.Vt_Callback,'String')

11 years 前 | 0

已回答
To Know the total number of pixels which belongs to one color
I = imread('peppers.png'); RedPlane = I(:,:,1); GreenPlane = I(:,:,2); BluePlane = I(:,:,3); This how you may extr...

11 years 前 | 0

已回答
randomly access a file in matlab
Please specify the type of data you are reading from the current folder in this line. f = dir(['myfolder\*.jpg']); or an...

11 years 前 | 0

提问


Warning in reading data from serial port.
I'm trying to read a single character 'A' from serial port, But it is issuing a warning always. CharVar = fscanf(SerialObj,...

11 years 前 | 1 个回答 | 0

1

个回答

提问


Communication with PIC Microcontroller
I have designed a face recognition system. If the face is recognized, I'm sending a character |'a'| via serial port to microcont...

11 years 前 | 1 个回答 | 1

1

个回答

提问


How to assign classes for group of images in a classifier?
I'm developing a Finger knuckle print biometric system. For that I had extracted SIFT and SURF Features for the image. I am havi...

11 years 前 | 1 个回答 | 0

1

个回答

已回答
How to match features
This |showMatchedFeatures| feature was available only in MATLAB R2013a and not in any lower versions.

11 years 前 | 0

提问


MATLAB R2013a is not installing.
I'm trying to install MATLAB R2013a. I'm getting error while installing. When I invoke the "setup.exe" program in the setup, it ...

11 years 前 | 1 个回答 | 0

1

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提问


Creating a 2-D matrix from a 1-D Array?
Considering that I have an array of |A = [150 11 12 134 130 152]|. How to replicate these elements in this array to get a matri...

11 years 前 | 3 个回答 | 0

3

个回答

提问


How to draw this figure?
I have this figure. I have the color portion. That is they are surface plot that are visible from the top. Also I plotted those ...

11 years 前 | 1 个回答 | 0

1

个回答

提问


How to draw this figure?
I have these figures with the equation also shown. I tried making this. But I did not got the expected result. Please give me so...

11 years 前 | 1 个回答 | 0

1

个回答

已回答
what is the formula used for Approximation quality metrics(measerr)?
I see a formula for the same in MATLAB help. <http://www.mathworks.in/help/wavelet/ref/measerr.html Try this.>

11 years 前 | 0

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