已回答
Extracting sections of data from a Matrix with Indexing
Hi! Search the third column for your desired month irows = (EditedWindTempMatrix(:,3) == 11) | ... (EditedWindTempMat...

11 years 前 | 0

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Floating numbers generation in a range
19.8*rand(50, 1) +2 .2

11 years 前 | 0

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Is this expression true?
You write exponential notation in matlab as D(i,j) = 45.6e-32

11 years 前 | 0

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What should I do to add a new row and a new column to a matrix?
N = zeros(size(M)+2); N(2:end-1, 2:end-1) = M;

11 years 前 | 0

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How to read a text or a .c file without comments into a cell array ?
Hi! I usually do it this way: * read full file with textscan * define cell array of comment strings * use regexp t...

11 years 前 | 0

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how to read complicated text file
try this % read file with 5 columns and delimiter '|' fid = fopen('readin.txt'); FC = textscan(fid, '%s %s %s %s %s',...

11 years 前 | 0

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3D matrix manipulation problems
Hi! I don't understand why the x and y spacing depends on the number of modes/frequencies. Take a look at the following co...

11 years 前 | 0

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what is meant by 3e4 in matlab?
Hi! Did you try to input "3e4" in the command window? What happens? Also try 3e1 3e2 3e3

11 years 前 | 0

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How can i convert a polygon into a rectangle?
Hi! You have your polygon coordinates in (x/y) pairs? Take their min/max values and cut from the video frame the rectangle R(...

11 years 前 | 0

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Does someone know how to print a square onto the command window using for loops????
Hi! You should start reading here: <http://www.mathworks.com/help/matlab/control-flow.html> This explains how to use loops an...

11 years 前 | 0

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Clear a line drawn in plot.
Hi! Each time you plot something with the "h=plot" command, it gives you as return value the handle "h" of that plot. Then yo...

11 years 前 | 1

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A question about product operation
Hi! x = [1, 2, 3]; % row vector y = [2; 3; 4]; % column vector z = y * x;

11 years 前 | 0

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Plot a line, changing origin
Hi! x = [1 2 3]; y = [2 4 9]; plot(x,y); This doesn't start at (0,0). If you have problems please post your code.

11 years 前 | 0

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i need a m-file of this quastion
Hi! Do you really expect others here at Matlab Answers to do your work???

11 years 前 | 0

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How to plot each matrix in a cell?
Hi! Create a figure, set it to "hold" (i.e. overwriting with subsequent plots) and plot figure(1); cla; hold on; cell...

11 years 前 | 0

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creating vector in matlab fcn bock
Hi! If you have trouble defining functions in Matlab, start here: <http://www.mathworks.com/help/matlab/matlab_prog/create-fu...

11 years 前 | 0

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Calculate the volume of 3D models
Hi! You can calculate the volume if you create a 3d mesh (e.g. with tetrahedrons) of the models. But this is not trivial! ...

11 years 前 | 0

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how to write a function?
This is basic Matlab that you can learn using the Documentation Center: <http://www.mathworks.com/help/matlab/function-basics.ht...

11 years 前 | 1

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how to convert a long list into an array with semicolongs
Hi! What exactly do you need? Do you have a loop for playing sounds according to the letters? for n = 1:length(str) ...

11 years 前 | 0

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Image handling with MATLAB
Hi! Of course you can! Look at the "imread" function and start reading here: <http://www.mathworks.com/help/matlab/creating_p...

11 years 前 | 0

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sort rows of a matrix based on their maximum value
A=randi(100,10,5); for n = 1:size(A, 1) B(n,:) = sort(A(n,:)); end

11 years 前 | 0

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HOW TO CALL A FUNCTION IN ANOTHER MFILE FROM A MAIN PROGRAM
Hi! Place the function mfile in your path and give it the same name as the function inside. Take a look: <http://www.mathwork...

11 years 前 | 0

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How to: For loop and matrix indexing in matlab?
Hi! Your code only gives you a scalar "initial_matrix" with value 0. Take a look at <http://www.mathworks.com/help/matlab/...

11 years 前 | 0

提问


Editing superclass properties from subclasses
Hi! I have a question related to the Matlab example <http://www.mathworks.com/help/matlab/matlab_oop/a-simple-class-hierarchy...

11 years 前 | 1 个回答 | 0

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Don't know how to write the loop
Hi! I' m a bit confused with "index" and "j" ... Try logic operators. Your column is col = vector(:, index) To see...

11 years 前 | 0

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Interpolation in mat-lab
Hi! What kind of interpolation do you need? Try "interp1"!

11 years 前 | 0

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Adding points to plots with mouse input from the user
Hi! Try "ginput"!

11 years 前 | 0

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How can i arrange the coordinates from a matrix ?
There is (to my knowlegde) no matlab function for this, but with a little sorting and geometry this is no problem. % input...

11 years 前 | 0

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Delete only consecutive repeated string entries from a dataset in matlab
Hi! I don't understand why the second entry is removed. Is a "duplicate" defined if all three columns match or only the secon...

11 years 前 | 0

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Help with making a class
Hi! Your temperature property should be a vector. By adding temperature values with your "registrer" function you add the new...

11 years 前 | 0

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