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Mohammed Hamaidi
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How to define second derivative in symbolic
dr/dA = -sin(A)*(dA/d) d²r/dA² = -cos(A)*(dA/d)^2-sin(A)*d²A/d²
meer dan 2 jaar ago | 0
Floor/Fix rounds the result of a division (60.000) to 59
Hi Just use: s=round(a/b)
meer dan 2 jaar ago | 0
Sparse matrix calculate warning: Matrix is close to singular or badly scaled.
You don't have to correct any thing. The matrix is close to singular (the determinant close to zero) Matlab indicate that Re...
meer dan 2 jaar ago | 0
How I use quiver to plot 3+2i
Just use: quiver(3,2,1) for any complex number c, use: quiver(real(c),imag(c),1)
meer dan 2 jaar ago | 1
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Split and count unique string in cell array
A loop solution: C=unique(A);nc=length(C); B=char(A);nb=length(B); D=zeros(nc,1); for i=1:nc for j=1:nb if str...
meer dan 2 jaar ago | 0
Check if a vector and matrix are orthogonal (MATLAB)
See this :Low-density_parity-check_code Orthogonality mean 'mod 2=0'
meer dan 2 jaar ago | 0
The meaning and function of codes on programming
size(permutataions,1) It just compute the number of ppossible permutations. randi([1 max_choice]) is a random choise the ge...
meer dan 2 jaar ago | 1
| accepted
Array slice indexing?
Take for example: a=[1 2 3; 5 6 7; 8 9 12] and i=2 then a(i,end:-1:1) gives: the 2nd row in right to left order (the eleme...
meer dan 2 jaar ago | 0
My yellow led control doesn't work on my gui
Just change this two lines %set callback for h10 (yellow on) set (h11, 'Callback', 'yellow_led_control(h11, h12, h10, id_flag,...
meer dan 2 jaar ago | 0
| accepted
Write a program that calculates the length of hypotenuse c for all (!) combinations of legs a and b and do so using a for loop!
An other way without loop a = [3;5;1;3;2]; b = [1;3;2;7;2]; [A B]=meshgrid(a,b); C=[A(:),B(:)]; c=sqrt(C(:,1).^2+C(:,2).^2)...
meer dan 2 jaar ago | 0
Question
Complex numbers not in fundamental class?
Hi Community Since a complex number is 1x1 array, why isn't in fundamental class type of datas?
meer dan 2 jaar ago | 1 answer | 0
1
answerBisection method relative error
Hi Just use "while" loop with your condition as follows: f=@(x) log(x)-cos(x)-exp(-x); x1=1; x2=2; xmid=(x1+x2)/2; while (...
meer dan 2 jaar ago | 1
| accepted
Finding vowels in a string the user inputs and printing the vowels. Here's the problem:
my_sentence=input('Please enter a sentence: ','s'); s1=my_sentence; m=['Y','W','R','H','Z ','X','V','T','S','Q','P','N','M','L...
meer dan 2 jaar ago | 0
Calculating the inner product of two input vectors and a matrix using for loop and inner function. How do I change the code I have? Thank you so much for your answers.
Hello Just write: c=sum(a.*b)
meer dan 2 jaar ago | 0