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find the interpolation of two values.

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solleti prabhakarchary
solleti prabhakarchary 2022년 10월 8일
답변: Image Analyst 2022년 10월 8일
how to find values for this data in between
6 1.256 1.365 0.358 2.589 2.365 2.365 2.456
8 3.250 3.255 3.62 1.25 1.256 2.321 3.214
i would like to find values for 6.5, 7, 7.5 using matlab. which command need to be used please help me in this code.

채택된 답변

Image Analyst
Image Analyst 2022년 10월 8일
See if this is what you want. You can use linspace to make the 2 rows into 5 rows:
m = [...
6 1.256 1.365 0.358 2.589 2.365 2.365 2.456
8 3.250 3.255 3.62 1.25 1.256 2.321 3.214];
[rows, columns] = size(m);
m2 = zeros(rows + 3, columns);
for col = 1 : size(m, 2)
m2(:, col) = linspace(m(1, col), m(2, col), 5);
end
m2
m2 = 5×8
6.0000 1.2560 1.3650 0.3580 2.5890 2.3650 2.3650 2.4560 6.5000 1.7545 1.8375 1.1735 2.2542 2.0878 2.3540 2.6455 7.0000 2.2530 2.3100 1.9890 1.9195 1.8105 2.3430 2.8350 7.5000 2.7515 2.7825 2.8045 1.5848 1.5333 2.3320 3.0245 8.0000 3.2500 3.2550 3.6200 1.2500 1.2560 2.3210 3.2140

추가 답변 (1개)

Ghazwan
Ghazwan 2022년 10월 8일
You need to have X and Y vector arrays. The X values need to incapsulate the requested points. You may use interp1 fucntion. For example:
X=[6 1.256 10 ];
Y=[8 3.250 8.5 ];
Ynew = interp1(X,Y,[6.5, 7, 7.5])

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