How to use
isSymbol
method
in
org.matheclipse.parser.client.eval.DoubleEvaluator

Best Java code snippets using org.matheclipse.parser.client.eval.DoubleEvaluator.isSymbol (Showing top 1 results out of 315)

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  if (f.size() == 2) {
    ASTNode arg1Derived = derivative(f.getNode(1), var);
    if (isSymbol(head, "Exp")) {
      FunctionNode fun = new FunctionNode(fASTFactory.createSymbol("Exp"));
      fun.add(f.getNode(1));
      return getDerivativeResult(arg1Derived, fun);
    if (isSymbol(head, "Cos")) {
      FunctionNode fun = new FunctionNode(fASTFactory.createSymbol("Times"));
      fun.add(new DoubleNode(-1.0));
    if (isSymbol(head, "Sin")) {
      FunctionNode fun = new FunctionNode(fASTFactory.createSymbol("Cos"));
      fun.add(f.getNode(1));
      return getDerivativeResult(arg1Derived, fun);
  } else if (f.size() == 3 && isSymbol(head, "Power")) {
    if (f.get(2).isFree(var)) {// derive x^r
      ASTNode arg1Derived = derivative(f.getNode(1), var);
    if (isSymbol(head, "Plus")) {
      FunctionNode result = new FunctionNode(f.getNode(0));
      for (int i = 1; i < f.size(); i++) {
    if (isSymbol(head, "Times")) {
      FunctionNode plusResult = new FunctionNode(fASTFactory.createSymbol("Plus"));
      for (int i = 1; i < f.size(); i++) {
if (isSymbol((SymbolNode) node, var)) {

Javadoc

Check if the given symbol is a SymbolNode and test if the names are equal.

Popular methods of DoubleEvaluator

<init>
Instantiates a new double evaluator.
defineVariable
Define a value for a given variable name.
evaluateFunction
Evaluate an already parsed in FunctionNode into asouble number value.
evaluateFunctionLogical
Evaluate function logical.
evaluateNode
Evaluate an already parsed in abstract syntax tree node into adouble number value.
evaluateNodeLogical
Evaluate node logical.
getVariable
Returns the double variable value to which the specified variableName is mapped, or null if this map
getVariables
Get the variable names from the given AST node.
optimizeFunction
Optimize an already parsed in functionNode into anASTNode.
parse
Parse the given expression String and store the resulting ASTNode in this DoubleEvaluator
evaluate
Parse the given expression String and evaluate it to a double value
derivative
TODO: add more derivation rules

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How to use isSymbolmethodin org.matheclipse.parser.client.eval.DoubleEvaluator

Best Java code snippets using org.matheclipse.parser.client.eval.DoubleEvaluator.isSymbol (Showing top 1 results out of 315)

How to use
isSymbol
method
in
org.matheclipse.parser.client.eval.DoubleEvaluator