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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

nästan 11 år ago

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Convert ODE model in MATLAB to Simulink
Hi Javier, The easiest way I can think of to convert would be to use a Level 2 MATLAB S-function in Simulink. If you've neve...

nästan 11 år ago | 0

| accepted

Answered
Multiple outputs from FMINSEARCH function
As long as myfun doesn't take a long time to evaluate, the simplest thing to do would be to call myfun again after the optimizat...

nästan 11 år ago | 0

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Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

nästan 11 år ago

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Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

nästan 11 år ago

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Is my wife right?
Regardless of input, output the string 'yes'.

nästan 11 år ago

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Make an N-dimensional Multiplication Table
*INSTRUCTIONS* This is a multi-dimensional variant of the normal multiplication table used to teach elementary students multi...

nästan 11 år ago

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

nästan 11 år ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

ungefär 11 år ago

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Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

ungefär 11 år ago

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GA is not available in Optimtool
The genetic algorithm is part of the Global Optimization Toolbox, this warning leads me to believe you only have the Optimizatio...

ungefär 11 år ago | 0

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add optimization plots from fmincon to custom gui axes
I'm guessing that when specifying the options structure, you are including optimplotx as a PlotFcn such as: options = opt...

ungefär 11 år ago | 0

Answered
meshgrid and griddata usage and NaN results for griddata
The GRIDDATA function is trying to use the data in x,y,vv to fit a surface and then interpolate this surface at the points speci...

ungefär 11 år ago | 0

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matlab guide tool
Maybe this is what you're looking for? <http://www.mathworks.com/help/techdoc/creating_plots/f7-21193.html>

nästan 12 år ago | 0

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How can I use "dir" with multiple search strings? or join the results of two dir calls?
You can save the output of DIR as a structured array, or in your case two structured arrays that can then be combined: file...

nästan 12 år ago | 0

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Converting a problem from Mathematica to MATLAB
George, Looks like there's a problem with this line of code: LastPoint1D = @ (Walk1D) (Walk1D(end)); I believe what y...

nästan 12 år ago | 0

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Plotting multiple sets of data over the same set of discretized locations
Sean, If you're specifying a different intensity for each point, then I assume that you are plotting the data point-by-point an...

nästan 12 år ago | 0

Answered
??? Undefined function or method 'times' for input arguments of type 'function_handle'.
Patrick, I believe that when you make calls to the functions inside of concs, you need to include the arguments for those fun...

nästan 12 år ago | 3

| accepted

Answered
Conditional plotting, changing color of line based on value.
Here's a way to do it that splits the data up into 2 lines and then plots them both. Overlapping points are set to NaN so that ...

nästan 12 år ago | 6