matlab - Error: operator *: nonconformant arguments (op1 is rxc, op2 is rxc ) -


i have implemented following function estimate parzen density of matrix,

parzen.m

function [retval] = parzen (matrix, datapoint, variance)     [r c] = size(matrix);     = ones(r, c)*datapoint;     sub = matrix - a;     = sub.^2;     dw = 2 * variance;     firstpart = 1/(sqrt(2*pi*variance));     retval = firstpart * exp((-1)*(up/dw));

error

>> parzen(train, test, 0.25) error: parzen: operator *: nonconformant arguments (op1 1824x8, op2 1824x8 ) error: called     parzen @ line 3 column 4 >>

how can rid of error?

the commenet @benoit_11 solved issue.

a = ones(r,c) .* datapoint.

-

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