Error: Index exceeds matrix dimensions.

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Cody Baumann
Cody Baumann 2015-4-2
回答： Star Strider 2015-4-3
clear
clc
[num,txt]=xlsread('tire_ratings.xls');
ratings=num(:,1);
speed=num(:,2);
vehicles =num(:,3);
text=txt(1,1:3);
TR=triangulation(ratings,speed,vehicles);
size(TR)
%This is the error/output
Index exceeds matrix dimensions.
Error in ENG1102_11C (line 9)
speed=num(:,2);
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Cody Baumann
Cody Baumann 2015-4-3
Load the values into a number vector called speed and a text matrix called txt . Use the size command to determine how many rows are in the text matrix. Extract all tire ratings and store them in a vector called ratings . Extract all vehicle types and store them in a vector called vehicles .

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采纳的回答

Star Strider
Star Strider 2015-4-3
This works:
ratings=num(:,1);
speed=txt(:,1);
vehicles =txt(:,3);
The ‘num’ variable has one column, ‘txt’ has three, only 1 and 3 with any information.

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