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code:functions [2015/04/21 16:29]
skylarmt
code:functions [2019/04/16 02:40]
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-====== Built-in Functions ====== 
  
-SyMAT has many built-in functions. ​ These are available from JavaScript and Python. 
- 
-<WRAP box 60%> 
-This page is official documentation from the SyMAT team.  It is locked for editing indefinitely. ​ 
-</​WRAP>​ 
- 
-===== Symbols ===== 
- 
-These are only some of the symbols present in SyMAT. ​ Because of differences between JavaScript and Python, syntax-specific symbols are omitted. 
- 
-  * ''​%%+%%'':​ Addition. 
-  * ''​%%-%%'':​ Subtraction. 
-  * ''​%%*%%'':​ Multiplication. 
-  * ''​%%/​%%'':​ Division. 
-  * ''​%%( )%%'':​ Used to enclose arguments to functions, and for math.  Note that %%b(4+5)%% will attempt to run the function %%b%% with the argument %%4+5%%, not multiply variable b with the sum (4+5). ​ For multiplication,​ use %%b*(4+5)%%. 
-  * ''​%%,​%%'':​ Separates arguments in functions. 
-  * ''​%%"​%%'':​ (Double quote) Denotes the start and end of text (strings). 
-  * ''​%%'​%%'':​ (Single quote) Same as the double quote above. 
-  * ''​%%=%%'':​ Assign a value to a variable. ​ ''​%%x=5%%''​ will assign the value 5 to variable x. 
- 
- 
-===== Input/​Output/​Storage ===== 
-  * ''​%%notify(message)%%'':​ Display a pop-up box with the given message text and an OK button. 
-  * ''​%%ask(question)%%'':​ Display a pop-up box with the given question and an input box.  Returns a String. 
-  * ''​%%print(text)%%'':​ Output a line of text to the Output box. 
-  * ''​%%readfile(filename)%%'':​ Read the contents of the given text file and return the data. 
-  * ''​%%savefile(filename,​data)%%'':​ Write the given text data to a file. 
-  * ''​%%load(key)%%'':​ Return the text corresponding to the given key. 
-  * ''​%%save(key,​text)%%'':​ Link the given text to the given key. 
-  * ''​%%filedialog()%%'':​ Show a file selection dialog and return the chosen file path. 
-  * ''​%%textbox()%%'':​ Returns an instance of a [[tutorial:​textandweb#​text_box|multiline text box]]. 
-  * ''​%%browser()%%'':​ Returns an instance of a [[tutorial:​textandweb#​browser|web browser]]. 
- 
-===== Basic Math and Algebra ===== 
-  * ''​%%add(n,​n,​n...)%%''​ or ''​%%add(n[])%%'':​ Add together the given numbers or array of numbers and return the sum. 
-  * ''​%%subtract(n,​n,​n...)%%''​ or ''​%%subtract(n[])%%'':​ Subtract the given numbers or array of numbers and return the difference. ​ Calculates from first number to last (i.e. n1-n2-n3). 
-  * ''​%%times(n,​n,​n...)%%''​ or ''​%%times(n[])%%'':​ Multiply together the given numbers or array of numbers and return the product. 
-  * ''​%%divide(n,​n,​n...)%%''​ or ''​%%divide(n[])%%'':​ Divide the given numbers or array of numbers and return the quotient. ​ Calculates from first number to last (i.e. (n1/​n2)/​n3). 
-  * ''​%%mod(n,​n,​n...)%%''​ or ''​%%mod(n[])%%'':​ Calculate the modulus of the given numbers or array of numbers and return the result. ​ Calculates from first number to last (i.e. (n1 mod n2) mod n3). 
-  * ''​%%min(n1,​n2,​...)%%'':​ Returns the smallest of the given numbers. 
-  * ''​%%max(n1,​n2,​...)%%'':​ Returns the largest of the given numbers. 
-  * ''​%%pow(x,​y)%%'':​ Raise x to y (x^y) and return the result. 
-  * ''​%%exp(x)%%'':​ Calculate e^x. 
-  * ''​%%log(x)%%'':​ Calculate natural log (base e) of x. 
-  * ''​%%ceil(n)%%'':​ Round n up to the nearest larger integer. 
-  * ''​%%floor(n)%%'':​ Round n down to the nearest smaller integer. 
-  * ''​%%solve(f,​x,​n)%%'':​ Calculate the values of x that make function f equal to n and return an array. 
- 
-===== Advanced Math ===== 
-  * ''​%%primes(n)%%'':​ Find all prime numbers less than n and return them in an array. 
-  * ''​%%isprime(n)%%'':​ Calculates if the given number is prime. 
-  * ''​%%gcd(n1,​n2)%%'':​ Find the greatest common divisor of n1 and n2. 
-  * ''​%%diff(f,​x)%%'':​ Differentiate function f with respect to variable x. 
-  * ''​%%integrate(f,​x)%%'':​ Integrate function f with respect to variable x. 
- 
-===== Graphing ===== 
-  * ''​%%plot()%%'':​ Display a plot window. 
-  * ''​%%plot(formula)%%'':​ Plot the given [[code:​formulas|formula]] and display it.  
-  * ''​%%plotname(name)%%'':​ Set the title of the plot. 
-  * ''​%%plotname()%%'':​ Get the title of the plot. 
-  * ''​%%xlim(min,​max)%%'':​ Set the x-axis min and max values. ​ Can only be used before graphing a function. 
-  * ''​%%drawdot(x,​y)%%'':​ Place a dot at the specified coordinates. 
-  * ''​%%plotclr()%%'':​ Clear all formulas and dots from the plot. 
- 
-===== Random Numbers ===== 
-The random number generator used in SyMAT is considered cryptographically strong. 
- 
-  * ''​%%rand()%%'':​ Returns a fraction between 0 (inclusive) and 1 (exclusive). 
-  * ''​%%rand(min,​max)%%'':​ Returns an Integer between min and max, inclusive. 
-  * ''​%%randb()%%'':​ Returns either True or False ("coin toss"​). 
- 
-===== Trigonometry ===== 
-  * ''​%%sin(n)%%'':​ Find the sine of the given number in radians. 
-  * ''​%%cos(n)%%'':​ Find the cosine of the given number in radians. 
-  * ''​%%tan(n)%%'':​ Find the tangent of the given number in radians. 
-  * ''​%%asin(n)%%'':​ Find the Arcsine (inverse sine) of the given number. 
-  * ''​%%acos(n)%%'':​ Find the Arccosine (inverse cosine) of the given number. 
-  * ''​%%atan(n)%%'':​ Find the Arctangent (inverse tangent) of the given number. 
-  * ''​%%sinh(n)%%'':​ Find the hyperbolic sine of the given number. 
-  * ''​%%cosh(n)%%'':​ Find the hyperbolic cosine of the given number. 
-  * ''​%%tanh(n)%%'':​ Find the hyperbolic tangent of the given number. 
-  * ''​%%sec(n)%%'':​ Find the secant of the given number in radians. 
-  * ''​%%csc(n)%%'':​ Find the cosecant of the given number in radians. 
-  * ''​%%cot(n)%%'':​ Find the cotangent of the given number in radians. 
-  * ''​%%asec(n)%%'':​ Find the inverse secant of the given number. 
-  * ''​%%acsc(n)%%'':​ Find the inverse cosecant of the given number. 
-  * ''​%%acot(n)%%'':​ Find the inverse cotangent of the given number. 
-  * ''​%%sech(n)%%'':​ Find the hyperbolic secant of the given number. 
-  * ''​%%csch(n)%%'':​ Find the hyperbolic cosecant of the given number. 
-  * ''​%%coth(n)%%'':​ Find the hyperbolic cotangent of the given number. 
-  * ''​%%deg(n)%%'':​ Convert the given radians to degrees. 
-  * ''​%%rad(n)%%'':​ Convert the given degrees to radians. 
- 
-===== Matrix Operations ===== 
-  * ''​%%mtimes(m1,​m2)%%'':​ Multiply the given matrices together. 
-  * ''​%%mpower(m,​n)%%'':​ Raise m to the power n. 
-  * ''​%%minvert(m)%%'':​ Invert the given matrix. 
-  * ''​%%printa(m)%%'':​ Get a textual representation of the given array or matrix. 
code/functions.txt ยท Last modified: 2019/04/16 02:40 (external edit)