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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

Answered

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...

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...

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

Solved

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

Solved

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

Solved

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

Solved

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

Solved

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

Solved

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

Answered

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...

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

Answered

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...

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...

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

Answered

matlab guide tool

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

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

Answered

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...

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

Answered

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...

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

Answered

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...

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...

??? 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 ...

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