By James J. Spilker

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Name' is created if it doesn’t exist. ws can be either 'caller' or 'base'. Examples Here’s a function that creates a variable with a user-chosen name in the base workspace. The variable is assigned the value π . function sqpi var = inputdlg('Enter variable name','Assignin Example',1,{'A'}) assignin('base','var',sqrt(pi)) See Also evalin Evaluate expression in workspace. 2-39 atan, atanh Purpose Inverse tangent and inverse hyperbolic tangent atan, atanh Syntax Y = atan(X) Y = atanh(X) Description The atan and atanh functions operate element-wise on arrays.

Truth tables for these operators and functions follow. & | ~ Inputs A and A&B or A|B xor xor(A,B) NOT B 0 0 0 0 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 0 ~A The logical operators have the lowest precedence, with arithmetic operators and relational operators being evaluated first. The precedence for the logical operators with respect to each other is: 1 not has the highest precedence. 2 and and or have equal precedence, and are evaluated from left to right. Remarks The logical operators have M-file function equivalents, as shown: and A&B and(A,B) or A|B or(A,B) not ~A not(A) 2-11 Logical Operators & | ~ Examples Here are two scalar expressions that illustrate precedence relationships for arithmetic, relational, and logical operators: 1 & 0 + 3 3 > 4 & 1 They evaluate to 1 and 0 respectively, and are equivalent to: 1 & (0 + 3) (3 > 4) & 1 Here are two examples that illustrate the precedence of the logical operators to each other: 1 | 0 & 0 = 0 0 & 0 | 1 = 1 See Also The relational operators: <, <=, >, >=, ==, ~=, as well as: all any find logical xor 2-12 Test to determine if all elements are nonzero Test for any nonzeros Find indices and values of nonzero elements Convert numeric values to logical Exclusive or Special Characters [ ] ( ) {} = ' .

Is the nonconjugate transpose. Quotation mark. 'any text' is a vector whose components are the ASCII codes for the characters. A quotation mark within the text is indicated by two quotation marks. 2-14 . Decimal point. 314e1 are all the same. Element-by-element operations. \. See the Arithmetic Operators page. Field access. field, when A is a structure, access the contents of field. Parent directory. See cd. Continuation. Three or more points at the end of a line indicate continuation. Special Characters [ ] ( ) {} = ' .

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