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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

quasi 14 anni fa

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

quasi 14 anni fa

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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...

quasi 14 anni fa

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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...

quasi 14 anni fa

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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...

quasi 14 anni fa

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Binary to decimal & Decimal to Binary Help
*ADD* Here is a function that might return what you wanted. It involves manipulation of the ieee74 binary representation of a do...

quasi 14 anni fa | 0

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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 ...

quasi 14 anni fa

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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 ...

quasi 14 anni fa

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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...

quasi 14 anni fa

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How to pass string to matlab function in C programs
An mxArray can also contain a string. An mxArray is a structure that wraps everything (nicely?): <http://www.mathworks.se/hel...

quasi 14 anni fa | 0

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Have trouble to solve the equation and plot
You realize that no matter the value of U (well, except in the cases where _2*x-U=0_), the solution of your equation will always...

quasi 14 anni fa | 0

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I want to read a text file having strings and numeric data. Is there any better function than textscan?
This could work: fid = fopen('bla.txt','r'); %Advance five lines: linesToSkip = 5; for ii = 1:linesToSkip-1 ...

quasi 14 anni fa | 2

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Collect conditional matrices from a loop in a 2D or cell array
Sounds like you need a cell array B =[... 7.797562562, -0.832787948, -1.725054903;... 2.11093262, 3.1385...

quasi 14 anni fa | 0

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Using ' findobj ' command and then determining the figure objects from the list of handles
Try plot(rand(10,1)); obj_h = findobj(); get(obj_h,'Type') It will give you an idea of the hierarchy. You have the...

quasi 14 anni fa | 1

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Display long statements on multiple lines in output
One way to go. Insert newline in your string, and display using fprintf: yourString = 'One line \n Two line \n Three line';...

quasi 14 anni fa | 0

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how to find the position of a given number
your_answer = strfind(num2str(1050),num2str(5));

quasi 14 anni fa | 1

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how to find the number of 1 in a single column?
your_answer = sum(your_input)

quasi 14 anni fa | 0

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calling matlab from fortran program
Yes, it is possible. <http://www.mathworks.se/help/techdoc/apiref/bqoqnz0.html> I guess, the functions you want to look at...

quasi 14 anni fa | 0

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How to pad zeros?
If you want to add a dark edge (that's what the zeros will be), at the bottom and to the right: load mandrill [m n] = si...

quasi 14 anni fa | 0

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why 'blsprice' is an undefined function??
Use the _ver_ command to see what toolboxes you have installed. If the financial toolbox is not there, that would explain your p...

quasi 14 anni fa | 0

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White Square Appearance in Plot
Google is your friend: <http://www.peteryu.ca/tutorials/matlab/plot_over_image_background>

quasi 14 anni fa | 0

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how to break an image into sub images
Google, as well as Matlab answers are your friends: <http://stackoverflow.com/questions/1637000/how-to-divide-an-image-into-b...

quasi 14 anni fa | 0

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Removing rows and columns of a matrix based on elements of another matrix
I think you are looking for the [] operator: B(A(1,3),:) = []; B(:,A(2,3))= []; You should not do it one after the ot...

quasi 14 anni fa | 0

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Convhull formula derivaiton in dotnet
Well, I'm going to be an heretic, but if you are going to use dotnet, maybe it is a better idea to directly use a windows execut...

quasi 14 anni fa | 0

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switching between 2 values
Maybe a sine wave plus some noise would do the trick? numSteps = 1000; temp = 20.5 + 3.*sin([1:numSteps]') + 3*randn(num...

quasi 14 anni fa | 0

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Pointer to MATLAB function?
I am not entirely sure this is what you mean but here goes: if (first_selection) fun1 = @(x) cos(x).^2; end if...

quasi 14 anni fa | 1

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Graph bar with plot
Look at the documentation doc bar For example: bar(m,'g','EdgeColor','k','BarWidth',0.9)

quasi 14 anni fa | 0

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Determining how many "peaks" in a graph
<http://www.mathworks.com/matlabcentral/fileexchange/4242>

quasi 14 anni fa | 0

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How to make a matrix of matrices in Matlab? (to be used to solve a system of linear equations)
Yes, you can, you need to use the curly braces: test = cell(2,1); test(1) = {rand(10)}; test(2) = {rand(10,1)}; li...

quasi 14 anni fa | 0

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3D matrix representation problem
conn = zeros(3,3,3); conn(2,2,:) = 1; conn(:,2,2) = 1; conn(2,:,2) = 1; CC = bwconncomp(U3,conn); Note that the...

quasi 14 anni fa | 0