MATLAB: Estimate the common logarithm of 10 using linear interpolation.

interpolationlog10

Interpolate between log 8 = 0.9030900 and log 12 = 1.0791812.

I just learned using Matlab and suddenly got this question to do in Matlab. Can someone help me? Your help is really needed and very appreciated.

Best Answer

step = 0.1;
log10(8:step:12)

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MATLAB: Value Interpolation.

A = your_matrix;
B = reshape(repmat(A(1:8:end),7,1),1,[]); 
%extract values we care about/copy 'em/reshape to vector

MATLAB: Interpolation in a vector

I am assuming here that you want to replace the sample corresponding to t=9 using linear interpolation. The following line of code may be helpful in solving this.

newValue = interp1([1:8 10], [v(1:8) v(10)], 9);

It is also possible to change the interpolation technique by specifying it as an additional input argument. For instance, if ‘pchip’

technique is to be used,

newValue = interp1([1:8 10], [v(1:8) v(10)], 9, 'pchip');

Please refer to the following documentation link on “interp1()” for any further clarifications

https://www.mathworks.com/help/matlab/ref/interp1.html#btwp6lt-5

Hope this helps!!

Best Answer

Related Solutions

MATLAB: Value Interpolation.

MATLAB: Interpolation in a vector

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