Error using / Matrix dimensions must agree for Vr

2020 10 11
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更新时间：2020 10 11
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clc
clear all
close all
Vo= 10;
R= 1;
x = linspace(-4,4,1000);
y = linspace(-4,4,1000);
r = sqrt(x.^2 +y.^2);
theta = atan(y/x);
Vr = 1-((R^2)/(r.^2))*Vo*cos(theta);
% Vt = -(1- (R^2/r.^2)*Vo*sin(theta));
% Vx = (Vr*cos(theta) - Vt*sin(theta));
% Vy = (Vr*sin(theta) - Vt*cos(theta));
disp(Vr);

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Star Strider
Star Strider 2020-10-11

1 个投票

Vectorise!
Vr = 1-((R^2)./(r.^2)).*Vo.*cos(theta);
↑ ↑ ↑ ← HERE
That should do what you want.
See Array vs. Matrix Operations for details.

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