已回答
how to draw perpendicular line on angular line..
You can use _line_ and swap the Y-coordinate values to get the perpendicular line: line([2 5],[3 7]) hold on line([2 ...

11 years 前 | 0

已回答
creating a temporary file in specified directory
You can import a file from wherever directory it is. Just point to the full direction: importdata('D:\my_dir1\mydir2\my_Dat...

11 years 前 | 0

已回答
cost funtion between observed and measured .
From Matlab documentation: In general, diff(X) returns the differences calculated along the first non-singleton (size(X,d...

11 years 前 | 0

已回答
Remove NaNs in matrices within cell array
for single line solution, A. Abdelmalek's is the solution. You can perform the same by using the following: A = [3 NaN NaN...

11 years 前 | 1

已回答
Displaying rise time on a plot
Select the data tick option on the plot window: <</matlabcentral/answers/uploaded_files/4138/p1.png>> <</matlabcentr...

11 years 前 | 0

已回答
how to do it...
Option 1: my_data_time = xlsread('your_excell.xls','A1:A10'); % first column my_data_pressure = xlsread('your_excell.xls...

11 years 前 | 0

已回答
how we can change an image into gray scale? and how to detect humps in an given road image?
start by grayscaling your image: I = rgb2gray(your_RGB_image); The hump-detection algorithm is not trivial, but that's t...

11 years 前 | 0

已回答
i want to know how to find the size of original image & compressed image..
Use _size_ for it. [rows cols layers] = size(your_image); % where your_image is the name you gave to your image when readin...

11 years 前 | 0

已回答
How can I set up an RGB threshold
There are easy ways to do this, but if you MUST use for loops and if conditionals: [image_R, image_G, image_B] = seperate_R...

11 years 前 | 0

| 已接受

已回答
Significance of curve Fit
You should perform a Fast Fourier Transform ( _fft_ ), this will present the frequencies that are present in your data. If it is...

11 years 前 | 1

已回答
How to do band pass filtering?
%By-pass filter with trnasfer function ( change as you please) % 1000 s %-------------------------- %100 s^2 + 11000 ...

11 years 前 | 0

已回答
How do I solve a cable equation problem using MATLAB?
YOu need to use _pdepe_ function: function to solve partial derivative equations. For a good example, go to <http://www.math...

11 years 前 | 0

已回答
Need help with textscan
Your are mixing strings with doubles. Try this out. You'll end up with a cell array containing the heading and the first three d...

11 years 前 | 0

| 已接受

已回答
plotyy is not working properly???
Your code is right, I run it and it works for me with no problem. Besides, it is from matlab documentation, for which it should ...

11 years 前 | 0

| 已接受

已回答
Iam new to matlab... Beginner..
rows = input('Enter matrix size: '); % user input end_cell = strcat(char(65+rows),num2str(rows)); range = strcat('A1:',e...

11 years 前 | 0

| 已接受

已回答
help me on image blending ??
If both images have the same size, you can add one into the other: I1 = image_1; I2 = image_2; I_blended = I1 + I2;

11 years 前 | 0

已回答
creating a .res with 2 variables side by side (2 columns)
x = 0:.1:1; A = [x; exp(x)]; fileID = fopen('exp.res','w'); fprintf(fileID,'%6s %12s\n','x','exp(x)'); fprintf...

11 years 前 | 0

已回答
How can I fit my data to an inverse tangent function?
x = [0.7 0.8 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4,2.6]; y = [10 11 15 15 15 17 20 25 34 47 75 100 140 15...

11 years 前 | 0

已回答
I keep getting an error about my inputs in a function I am trying to create?
function output = dim_check(dimension,name) output = dimension; 'name' = name % ---------> this is the cause of you...

11 years 前 | 0

| 已接受

已回答
How do I split a color image into its 3 RGB channels?
my_rgb = my_image; R = my_rgb(:,:,1); G = my_rgb(:,:,2); B = my_rgb(:,:,3);

11 years 前 | 3

已回答
position of the element have small value
A= [ 3 4 5 6 7; 1 2 4 9 4; 5 3 0 7 6; 6 0 1 8 5; 2 9 8 1 3]; [C I] = min(A,[],1); C is the array of min...

11 years 前 | 0

已回答
First fscanf(s) returns an empty array.
You say "almost" every first reading of the serial port returns an empty array. That could mean that there's nothing in the buff...

11 years 前 | 0

已回答
how can i paste a cropped head of one image into another?
I = imread('cameraman.tif'); head = I( (35:85),(100:140) ); % crop of the head % code to transform head here I( (...

11 years 前 | 0

已回答
Find local differences in a matrix
For k=2:3 D = cmap(:,k) - cmap(:,k-1); end

11 years 前 | 0

已回答
Installing R2013a on Mountain Lion
Make sure the installation files are executable. Use _chmod_ as sudo if not. I had a similar problem that was solved once some f...

11 years 前 | 0

已回答
subtraction of two images
You can not subtract images with different sizes the same way you can not subtract arrays with different lengths: a=[1 2 3...

11 years 前 | 1

| 已接受

已回答
Double Slider, Two slide bars
There is not. You have to code it yourself.

11 years 前 | 1

已回答
i have following image in double(i.e range is 0-1) & i want to convert it to 1's and -1's form,just convert 0 to -1.i tried foll code but its not working.please help. :(
I=rgb2gray(rp7); I2=im2bw(I); I3 = double(I2); I3(I2==0) = -1;

11 years 前 | 0

已回答
How to change axis legend orientation
You can try this link: <http://www.mathworks.com/matlabcentral/fileexchange/27812-rotate-x-axis-tick-labels/content/rotateXLabe...

11 years 前 | 0

已回答
shared library in linux/ubuntu issue
Did you change the ownership of the file and its access permissions? ( unix commands _chmod_ _chown_)

11 years 前 | 0

加载更多