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i have number i need save only integer without any point or 'e'
format % x = ATRTIMED(c) * 360 x = 3.700000e+02; x

presque 5 ans il y a | 1

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Element subtraction of same matrix
A = [2,5; 3,8]; B = [2-2, 2-5, 2-3, 2-8; 5-2, 5-5, 5-3, 5-8; 3-2, 3-5, 3-3, 3-8; 8-2, 8-5, 8-3, 8-8]; A = A'; Answ...

presque 5 ans il y a | 1

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グラフのｙ座標の値（１点）を返す関数ってありますか？？
論理値によるインデックス付けをしてみてはどうでしょう？ aを任意の値とします。 y(x==a) とすれば、x=aのときのyが返ってきます。逆に bをyの任意の点として x(y==b) とすればy=b...

environ 5 ans il y a | 1

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Calculate Matrix and then use previously calculated matrix in next iteration
" i " is not the number but index number(line or row). e.g.1 using for clear; topog = 100:149; erodedSed = (0.1:0.1:5); n...

environ 5 ans il y a | 2

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Simplifying with respect to trig identities to avoid dividing by zero
How about using logical indexing? function [ y ] = usinc( x ) ...

environ 5 ans il y a | 1

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A little question of [] and for loop
It is same as horzcat. https://jp.mathworks.com/help/matlab/ref/horzcat.html?lang=en A = 0; for i=1:50 A=horzcat(A,i); ...

environ 5 ans il y a | 2

A résolu

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...

environ 5 ans il y a

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

environ 5 ans il y a

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Poctave return value Sound pressure or Sound power? who can help me
p = poctave(x,fs) returns the octave spectrum of a signal x sampled at a rate fs. The octave spectrum is the average power ov...

environ 5 ans il y a | 1

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How can I find maximum value within each columns and and return the entire elements in that column
This code seperates A to odd and even elements, and culculates B with logical indexing. A = [ 0.0596 0.0714 0.8181 0...

environ 5 ans il y a | 0

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Plot surface from non-anonymus function
clc,clear,close all; w = [1:10;2:11]; x = w(1,:); y = w(2,:); f = @(x,y) 2*x.^2 + 2*y.^2 +10*(1.1*y.^2 +3*x.^2).^0.5; ...

environ 5 ans il y a | 0

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大きな二次元配列から不特定の間隔かつ特定サイズの二次元行列をfor loopを使わずに取り出す方法に関して
まずは下準備 clc,clear,close all; % 抜き出す部分行列はk×kとする k = 3; % ランダムな行列を作成 X = randn(11,12); % 図と同じ分布を作る A = zeros(11,12);...

environ 5 ans il y a | 2

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doubleの行列を各セルに内包しているcell型変数の分解方法
エラーの原因はサイズの違いです。 i = 1で見てみると size(cell2mat(a(i))) は 1×45に対し、size(b(1,i))は1×1になります。以下のように差し替えてみてください。 count5=1; for i=1:1...

environ 5 ans il y a | 0

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How can I link data from separate arrays?
The code below is one I assumed from your infomation. Therefore, it might be different from what you want to do. As the other ...

environ 5 ans il y a | 1

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Get value from table/matrix based on common attribute
% input data A = {'Smith' 'John' '1001'; 'Taylor' 'James' '1004'; 'Thatcher' 'Mary' '1001'}; B = {'1001' 'New Yo...

environ 5 ans il y a | 0

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Adding two matrixes with different row numbers.
Following your output image, out = [sum(A(1,:),B(1,:)); sum(A(1,:),B(2,:)); sum(A(2,:),B(1,:)); sum(A(2,:),B(2,:)); sum(A(3,:)...

environ 5 ans il y a | 1

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HI im kind of new to Matlab. What is the problem with my code displaying the error "Index exceeds the number of array elements (0)."
You will see F value on the work space. As Stephen Cobeldick says, F may have zero columns and non-zero rows.

environ 5 ans il y a | 0

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Converting Linear Equations to Matrix Form
You need to convert following form. X(i+1) = C*X(i) + a(i) Xo = [0 0 0 0]'; X(:,1) = Xo; C11 = 1; C21 = 2; C22 = 3; C3...

environ 5 ans il y a | 0

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my random changes its values during running my code
You can generate random numbers that are repeatable with saving and restoring the generator setting. rng(1,'twister'); mu=30...

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Modifying odd/even numbers of a column vector
You can modyfiy each element with mod function. x = [4 5 7 6 5 8 2 1]; x_odd = x(mod(x,2)==1); % odd element x_even = x(...

environ 5 ans il y a | 0

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入力信号に0と１と無限大(inf)の３つの状態を持たせ条件判定に使いたいが。。。
「0 or 1 or inf」で判定させたいときは logical と isinf関数を使います。判定だけなら、これが使いやすい気がします。【例】logical値で抜き出す場合(何行目にそれがあるか) idx = [0 0 1 inf 1 ...

environ 5 ans il y a | 2

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区間に応じて２つの関数を使い分けて演算したい
y1 = y(x(x<0)); y2 = y(x(x>=0)); のようにすれば取り出せます。以下は一度正負で異なる関数を返し、まとめてプロットする方法です。参考にどうぞ。 clear, clc, close all; x = ...

environ 5 ans il y a | 0

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Question

VideoReaderを使って動画を再生したいが、容量オーバーのエラーが出る
Matlab Home2020bを使用しています。 VideoReaderを使って動画の再生まで行いたいです。 v = VideoReader('sample_video.mp4'); m = zeros(v.Height, v.Width, 3...

environ 5 ans il y a | 1 réponse | 1

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