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str2num function - String:
The function str2num does the opposite; it takes the string in which a number is stored and converts it to the type double:
>> num = str2num('123.456')
num =
123.4560
When there is a string in which there are numbers split by blanks, then the str2num function will convert this to the vector of numbers (of the default type double).
For illustration,
>> mystr = '66 2 111';
>> numvec = str2num(mystr)
numvec =
66 2 111
>> sum(numvec)
ans =
179
Function fieldnames - structure functions: The function fieldnames will return the names of the fields which are contained in the structure variable. >> pack_fields = fiel
function
Graphics Properties: The MATLAB uses the Handle Graphics in all its figures. All figures consist of various objects, each of which is assigned a handle. The object handle is a
about sampling theorem
Variable Scope: The scope of any of variable is the workspace in which it is valid. The workspace generated in the Command Window is known as the base workspace. As we know
IS Functions for Strings: There are many functions for strings, that return logical true or false. The function isletter returns the logical true when the character is a lette
Scaling: change a row by multiplying it by a non-zero scalar sri → ri For illustration, for the matrix:
Basic mathematical operations: All the basic mathematical operations can be executed on symbolic expressions and variables (example, add, raise to a power, multiply, subtract,
Illustration of initializing the data structure: illustration of initializing the data structure by preallocating is here as shown: >> cyls(3) = struct('code', 'c', 'dimen
I dont know how to input different videos on matlab program
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