%function definition
function [eco1, eco2, ag2, eco3, ag3, eco4, ag4, eco5, ag5, eco6, eco7, P] = fcn (TX, TY, TZ, RX, RY, RZ, CX, CY, CZ)% D1 = sqrt((x2-x1)^2 + (y2-y1)^2 + (z2-z1)^2)
%%Rxc2 = [2*w-x2, y2, z2]
% D2 = sqrt(((2*w-x2)-x1)^2 + (y2-y1)^2 + (z2-z1)^2)
%%Rxc3 = [-x2, y2, z2]
% D3 = ((-x2-x1)^2 + (y2-y1)^2 + (z2-z1)^2)
%%Rxc4 = [x2, y2, 2*D-z2]
% D4= sqrt((x2-x1)^2 + (y2-y1)^2 + ((2*D-z2)-z1)^2)
%%Rxc5 = [x2, y2, -z2]
% D5 = sqrt((x2-x1)^2 + (y2-y1)^2 + (-z2-z1)^2)
% Case z1==z2, i.e. at the same level the echoes are the same
%%Rxc6 = [x2, -y2, z2]
% D4 = sqrt((x2-x1)^2 + (-y2-y1)^2 + (z2-z1)^2)
%%Rxc7 = [x2, 2*L-y2, z2]
% D5 = sqrt((x2-x1)^2 + ((2*L-y2)-y1)^2 + (z2-z1)^2)
% result signal
eco1 = sqrt((RX-TX)^2 + (RY-TY)^2 + (RZ-TZ^2));eco2 = sqrt(((2*CX-RX)-TX)^2 + (RY-TY)^2 + (RZ-TZ)^2);ag2 = asin(abs((2*CX-RX)-TX)/eco2);eco3 = sqrt((-RX-TX)^2 + (RY-TY)^2 + (RZ-TZ)^2);ag3 = asin((RX+TX)/eco3);eco4 = sqrt((RX-TX)^2 + (RY-TY)^2 + (-RZ-TZ)^2);ag4 = asin(abs((2*CZ-RZ)-TZ)/eco4);eco5 = sqrt((RX-TX)^2 + (RY-TY)^2 + (-RZ-TZ)^2);ag5 = asin((RZ+TZ)/eco5);if ((RZ==TZ) && (RX==TX)) eco6 = (RY+TY); eco7 = sqrt(((2*CY-RY)-TY)^2);else eco6 = 0; eco7 = 0;endP=(RZ+TZ)/2;
MATLAB: Not enough input arg
no result
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