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Display numerical output with sprintf?
text = sprintf('You completed %d key presses.', numPresses); Screen(window, 'DrawText', text, ceil(resX/2)-60, ceil(res...

más de 11 años hace | 0

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I am Not able To sort Out How to achieve This.
You could simplify your code I = rgb2gray(imread('peppers.png')); T = 'Hallo World'; I(1,1:length(T)) = uint8(T); ...

más de 11 años hace | 1

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Want image appear when click in axes?
Like this? imshow('peppers.png') axis on

más de 11 años hace | 0

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How can i make a 3D plot that is made of many 2-points line with a direction
quiver3 is the function that you need M = rand(100, 6); ind = 1:20:size(M, 1); quiver3(M(ind, 1), M(ind, 2), M(...

más de 11 años hace | 0

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How can you transform a color x3uint8 image to uint8?
No, because for each pixel 2^(8+8+8) different colors are possible.

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how to divide an image 512x512 into 4x4 overlapping blocks.
If you do something for N times for M times you do it for N*M times, i.e. for (e-3)*(f-3) times in your example. No need to use ...

más de 11 años hace | 1

Respondida
How to create an array out of a matrix based on criteria.
b = a(1,:); c = []; for i = 2:size(a, 1) if ~isempty(intersect(a(i,:), b)) b = union(b, a(i,:)); else ...

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How to use multiple outputs from function
Why not z = x + y;

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Two for loops, one loop completes for each step of another loop... Or a better way of doing finding the different combinations of elements in a vector that sum to target value
v1 = 100:100:1000; v2 = 100:100:1000; [V1 V2] = meshgrid(v1, v2); ind = find(abs(V1 + V2 - 1000) < 10); o1 = [.60 .61...

más de 11 años hace | 0

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How to plot a polynomial function multiplied by a row vector
for k = 0:M p = p + a(k+1)*x.^k; end;

más de 11 años hace | 0

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problems with the step size in a for loop
Allocate Q to be a vector of 10 NaNs (not a number) before doing the computations Q = nan(1,10);

más de 11 años hace | 1

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What kind of loop for this equation?
theta = 0:360; l = 300:800; [Theta, L] = meshgrid(theta, l); Z = cos(Theta/180*pi)./L; mesh(theta, l, Z)

más de 11 años hace | 2

Respondida
Matlab R 2014 a not workin on official Yosemite Update?!
http://www.mathworks.com/matlabcentral/answers/159003-why-am-i-unable-to-install-or-start-matlab-on-os-x-10-10-yosemite

más de 11 años hace | 0

Respondida
For-loop show an element which has format number different with others in an array?
This is because mwl is not exactly 300 but 300 + 5.6843e-014. Either use mwl = round([0:dwl:str2double(chieuchimd)]*100...

más de 11 años hace | 1

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how to check values in a cell is smaller than a certain number?
Because it's a 1 x 12 cell you can address the i'th cell using E{i} for i = 1:12 smallvalues = E{i}(E{i} < 15.5); ...

más de 11 años hace | 1

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about reading strings with strread using a name of variable the string is allocated to
Get rid of the extension '.fit' [pathstr name ext] = fileparts(A); starting_number = strread(name, 'capture_%03d');

más de 11 años hace | 1

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Finding average of iterated curves
Write a function "fullcode" that returns your curve, than you can use something like this for i = 1:N result(i,:) = fu...

más de 11 años hace | 0

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How to reshape a matrix from a vector?
If, e.g., 200 is the desired size, just use vec(200) = 0; All values between 105 and 200 will be filled with zeros.

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Create matrix with randomly distributed integers, with exact relative abundances
values = [0:4]; mo = [0 0.5533 0.1346 0.1167 0.1954]; a = 100; b = 100; % create a vector where each value appear...

más de 11 años hace | 0

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xoring bits within a vector
Use space between the the 1's and 0's M = [1 0 1 1 0 1 1 1 0 0 1 1 ; 1 0 0 1 1 0 1 1 0 1 0 1 ; 0 1 1 1 1 0 0 1 1 0 0 1 ; 1 ...

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Need help with plotting a graph on matlab- linewidth
The help for plot states that "The X,Y pairs, or X,Y,S triples, can be followed by parameter/value pairs to specif...

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Mesh plot with only every nth line plotted?
If you reduce the number of lines the plot will usually be less accurate, unless in special cases where you have, e.g., a plane....

más de 11 años hace | 0

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Hating this ->"Subscripted assignment dimension mismatch"
matrizcerostamaB(firstrow:firstrow+rowA-1,firstcolumn:firstcolumn+columnA-1)=imagenA;

más de 11 años hace | 0

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Getting a mean of only the numbers
Use nanmean

más de 11 años hace | 1

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Creating a heat map that would color different sectors of a circle
You can define a colormap with 30 entries with, e.g., cmap = jet(30); and then draw a filled circle segment with code fr...

más de 11 años hace | 0

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Horizontally join two datasets of different sizes based on a common field
C = [A B(A(:,4)+1, :)];

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variable=variable+i written something like variable+=i?
You can us something like this so that you don't have to do the very long index computation twice ind = % very long computa...

más de 11 años hace | 0

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How to show two figures of dynamic plots next to each other?
Use drawnow, pause, and specify the axis as in the following example for i = 1:2 subplot(1,2,1) axis([0 20 0 20])...

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Respondida
Sum elements in matrix if equal to value in another element
To sum the elements for i=1:size(ovec, 2) r(i) = sum(ovec(find(ovec(2:end,i)==ovec(1,i))+1, i)); end To count t...

más de 11 años hace | 0

Respondida
i want to get a combination from a table of cell by fonction (combntns), but i dosen't work ,anyone can help me ,thank you
pairs = nchoosek(1:3,2)'; {C{pairs(:)}

más de 11 años hace | 0