เอกสาร matlablanguage อาเรย์กำลังทำดัชนี
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เอกสาร matlablanguage เมตริกซ์ว่างดัชนี
A = [16 5 9; 4 2 11; 7 14 9]; % Create matrix
A(2,3) % Extract the element in row 2, column 3
ans = 11
A(1:2,2:3) % Extract elements in rows 1 and 2, and columns 2 and 3
ans = 5 9
2 11เอาส่วนประกอบของเอกสาร matlablanguage อาเรย์
Indicating indexes between ([]) retrieves corresponding values in Matlab.
array_borders=array([1: end])
As end defines size of the array, retrieve first and last border values of arrayเอกสาร matlablanguage เมตริกซ์กำลังทำดัชนี
v = [16 5 9 4 2 11 7 14];
v(3) % Extract the third element (ans = 9)เอกสาร matlablanguage อาเรย์กำลังทำดัชนี
Indicating indexes between ([]) retrieves corresponding values in Matlab.
array_borders=array([1 end])
As end defines size of the array, retrieve first and last border values of array
even_values=array(2:2:end)
Retrieve only second elements of array, from secon with 2 step iteration
increase until end of array.
first_3_values=array(1:3)
Retrieve only first 3 elements of array.หน้าคล้ายกัน
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