# Daigo

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**Content Feed**

Question

Where can I find details about 'wind' data in MATLAB?

If you use the command below, you can load three dimensional wind data but I cannot find any details about it. data = load('w...

2 months ago | 0 answers | 0

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answersQuestion

How to take meshgrid of latitude and longitude as an input in Horizontal Wind Model 07?

Hello, I'm a beginner of Simulink. I'm trying to get a wind distribution over a certain area (latitude: , longitude: ) at specif...

2 months ago | 0 answers | 0

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answersQuestion

How to prevent the elongated plot when using tiled layout for image and plot

When I align an image and a plot in tiled layout, the plot tends to become "elongated" as shown in an example below. Is there an...

2 months ago | 1 answer | 0

### 1

answerQuestion

Fastest way for page-wise computation - FOR vs ARRAYFUN vs PAGEFUN

I'd like to know the fastest way to deal with a 3D array in a page-wise way. Suppose I have the following data: rng(0); data...

9 months ago | 0 answers | 0

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answersSolved

Decimation - Optimized for speed

This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

10 months ago

Question

Randomness is lost in parfor loop on GPU?

I have a code with a following structure: % my_code_seed#.m myoutputs1 = my_function1(myinputs1); seed = #; rng(seed); ...

10 months ago | 1 answer | 0

### 1

answerQuestion

How to use a code that uses FFTW in MATLAB?

I have a slow MATLAB code that consists of many helper functions. The bottleneck seems to be one helper function that heavily us...

10 months ago | 1 answer | 0

### 1

answerQuestion

GPU MEX not compatible with GPU with compute capability '3.0'?

Hi, I'm trying to set up the prerequisites for the GPU Coder. In the MATLAB Command Window, I entered: gpuEnvObj = coder.gpuEn...

11 months ago | 1 answer | 0

### 1

answerSolved

Define the operators of function_handles

Suppose f and g are function_handles, try to define f+g,f-g,f*g and f/g. e.g. if f = @(x)x and g = @(x)x+1 ...

11 months ago

Solved

Handle to an array of functions

Given a cell array of functions that operate on scalars, it is required to return a function handle to process a vector of value...

11 months ago

Question

GPU Coder: compilation error

I am trying to create a MEX function from the following simple function: function G = ft2(g, delta) % Input % - g: ...

11 months ago | 1 answer | 0

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answerQuestion

Build error in GPU coder - nvcc fatal: Cannot find compiler 'cl.exe' in PATH

I'd like to create a MEX function from my MATLAB function that has an gpuArray input. I used the GPU Coder but I got an error wh...

11 months ago | 0 answers | 0

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answersSolved

Apply a function array to an array of numbers

It is required to apply a cell array of functions to a numerical array, where the functions accept only scalar inputs. Exampl...

11 months ago

Solved

Function composition

Write a function that accepts two function handles f and g and returns the composition h. That is, h = (f o g)(x) = f(g(x)) ...

11 months ago

Solved

Determine the number of odd integers in a vector

Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

11 months ago

Question

Error in the integration result

Given the joint p.d.f.: for -\infty < x, y < \infty I'm trying to compute the expected value: by the following code: syms ...

12 months ago | 1 answer | 0

### 1

answerQuestion

Swapped row and column output from ind2sub function?

I want to plot a matrix as an image and show a pixel value at corresponding point of an image. Here is a simple example. Im0 =...

12 months ago | 1 answer | 0

### 1

answerSolved

Reference Index Number

Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

1 year ago

Solved

Insert zeros into vector

Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

1 year ago

Question

Error when saving a profile result - "Error using startsWith"

I simply want to save my profile result by the following code: p = profile("info"); profsave(p,"profiler1"); However, I got ...

1 year ago | 1 answer | 0

### 1

answerSolved

Decimation

When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

1 year ago

Solved

Change the sign of even index entries of the reversed vector

change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

1 year ago

Question

I need help in configuring Git Credential Helper

I'm trying to setup Git Source Control based on this document but since I'm totally new to the Git, I'm a little be in a trouble...

1 year ago | 0 answers | 0

### 0

answersSolved

Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

1 year ago

Solved

Unique values without using UNIQUE function

You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

1 year ago

Solved

Project Euler: Problem 3, Largest prime factor

The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

1 year ago

Solved

Set a diagonal

Given a matrix M, row vector v of appropriate length, and diagonal index d (where 0 indicates the main diagonal and off-diagonal...

1 year ago

Solved

Create a vector whose elements depend on the previous element

The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

1 year ago

Solved

Max index of 3D array

Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

1 year ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

1 year ago