Error in MATLAB image processing

Am doing my final year project in image processing using matlab...

Am getting error in my final module

My error is:

??? Undefined command/function 'map'.

Error in ==> final at 90 [m1 m2 m3]= map(abs(y_dct(1,1)/(DR)));

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Answer 1

[Sean de Wolski]

Well did you define a function named "map"?

I'd guess not since that's the error you're receiving...

Answer 2

[Walter Roberson]

The map command is only defined within MuPad (with no direct interface). It also requires a minimum of two inputs.