MATLAB: Element multiplication- question on multiplying row elements

matrix multiplication

if I have a m*n matrix, it is possible to transform it into a m*n-1 matrix where each m row consists of [n0*n1, n1*n2, n2* n3, …n-1*n] ?

Best Answer

x(:,1:end-1).*x(:,2:end)

Related Solutions

MATLAB: Element by Element Multiplication

Use ./ instead of /

MATLAB: Element multiplication and subtraction

This line below avoids error but that doesn't mean it does what it is intended to do.

   %(D/(1-D))*(1 /( (2*Ron*D/(R*((1-D) ^2)))+1+(RL/R)*(1 /((1-D) ^2)) ))  %old version 
M = (D/(1-D))*(1./( (2*Ron*D/(R*((1-D).^2)))+1+(RL/R)*(1./((1-D).^2)) ))  %new version
%               _                     _                 _       _         %underline differences

James Tursa's solution is also error-free (copied below) but produces totally different results.

M2 = (D./(1-D)).*(1./( (2.*Ron.*D./(R.*((1-D).^2)))+1+(RL./R).*(1./((1-D).^2)) ))
isequal(M,M2)
%ans =
%  logical
%   0

This is why it's critical to understand what the equation is supposed to do. I haven't put much time into making sense of it so maybe James' version is the correct version or maybe neither answers are correct.

Best Answer

Related Solutions

MATLAB: Element by Element Multiplication

MATLAB: Element multiplication and subtraction

Related Question