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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...

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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...

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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...

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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...

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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...

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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...

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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 ...

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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 ...

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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...

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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...

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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...

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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 ...

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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...

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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...

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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';...

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

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

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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...

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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...

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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...

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

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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...

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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...

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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...

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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...

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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...

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

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

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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...

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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...

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